/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 [2020-10-15 06:40:27,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:40:27,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:40:27,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:40:27,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:40:27,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:40:27,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:40:27,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:40:27,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:40:27,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:40:27,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:40:27,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:40:27,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:40:27,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:40:27,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:40:27,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:40:27,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:40:27,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:40:27,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:40:27,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:40:27,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:40:27,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:40:27,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:40:27,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:40:27,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:40:27,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:40:27,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:40:27,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:40:27,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:40:27,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:40:27,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:40:27,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:40:27,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:40:27,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:40:27,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:40:27,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:40:27,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:40:27,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:40:27,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:40:27,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:40:27,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:40:27,791 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 [2020-10-15 06:40:27,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:40:27,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:40:27,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:40:27,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:40:27,823 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:40:27,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:40:27,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:40:27,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:40:27,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:40:27,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:40:27,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:40:27,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:40:27,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:40:27,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:40:27,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:40:27,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:40:27,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:40:27,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:40:27,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:40:27,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:40:27,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:40:27,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:40:27,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:40:27,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:40:27,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:40:27,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:40:27,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:40:27,829 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 06:40:28,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:40:28,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:40:28,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:40:28,178 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:40:28,179 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:40:28,180 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2020-10-15 06:40:28,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c753fe747/2d0faff87a604460b3cc3a7b7be5207c/FLAGb7d1081f8 [2020-10-15 06:40:29,019 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:40:29,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2020-10-15 06:40:29,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c753fe747/2d0faff87a604460b3cc3a7b7be5207c/FLAGb7d1081f8 [2020-10-15 06:40:29,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c753fe747/2d0faff87a604460b3cc3a7b7be5207c [2020-10-15 06:40:29,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:40:29,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:40:29,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:40:29,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:40:29,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:40:29,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:40:29" (1/1) ... [2020-10-15 06:40:29,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8c36e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:29, skipping insertion in model container [2020-10-15 06:40:29,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:40:29" (1/1) ... [2020-10-15 06:40:29,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:40:29,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:40:31,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:40:31,306 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:40:31,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:40:32,000 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:40:32,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32 WrapperNode [2020-10-15 06:40:32,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:40:32,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:40:32,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:40:32,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:40:32,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (1/1) ... [2020-10-15 06:40:32,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (1/1) ... [2020-10-15 06:40:32,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (1/1) ... [2020-10-15 06:40:32,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (1/1) ... [2020-10-15 06:40:32,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (1/1) ... [2020-10-15 06:40:32,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (1/1) ... [2020-10-15 06:40:32,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (1/1) ... [2020-10-15 06:40:32,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:40:32,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:40:32,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:40:32,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:40:32,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (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 [2020-10-15 06:40:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:40:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:40:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2020-10-15 06:40:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2020-10-15 06:40:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-15 06:40:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-15 06:40:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 06:40:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-15 06:40:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-15 06:40:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 06:40:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-15 06:40:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-15 06:40:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-15 06:40:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 06:40:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 06:40:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-15 06:40:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-10-15 06:40:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-15 06:40:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-15 06:40:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2020-10-15 06:40:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2020-10-15 06:40:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure to_saa7146_dev [2020-10-15 06:40:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2020-10-15 06:40:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2020-10-15 06:40:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_func [2020-10-15 06:40:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_status [2020-10-15 06:40:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_prepare [2020-10-15 06:40:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_cleanup [2020-10-15 06:40:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_reset [2020-10-15 06:40:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_writeout [2020-10-15 06:40:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_transfer [2020-10-15 06:40:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_xfer [2020-10-15 06:40:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_adapter_prepare [2020-10-15 06:40:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:40:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-15 06:40:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-15 06:40:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-15 06:40:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-15 06:40:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-15 06:40:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-15 06:40:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-15 06:40:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-15 06:40:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-15 06:40:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-15 06:40:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-15 06:40:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-15 06:40:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-15 06:40:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-15 06:40:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 06:40:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 06:40:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:40:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 06:40:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 06:40:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2020-10-15 06:40:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2020-10-15 06:40:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 06:40:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHighMem [2020-10-15 06:40:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-15 06:40:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-15 06:40:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-15 06:40:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2020-10-15 06:40:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2020-10-15 06:40:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-10-15 06:40:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-15 06:40:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-10-15 06:40:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-15 06:40:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2020-10-15 06:40:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2020-10-15 06:40:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-15 06:40:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-15 06:40:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-15 06:40:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-15 06:40:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-15 06:40:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-15 06:40:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2020-10-15 06:40:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2020-10-15 06:40:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-15 06:40:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-15 06:40:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-15 06:40:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_setgpio [2020-10-15 06:40:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_sleep [2020-10-15 06:40:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_busyloop [2020-10-15 06:40:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done [2020-10-15 06:40:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_sg [2020-10-15 06:40:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vmalloc_build_pgtable [2020-10-15 06:40:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vfree_destroy_pgtable [2020-10-15 06:40:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2020-10-15 06:40:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2020-10-15 06:40:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2020-10-15 06:40:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_hw [2020-10-15 06:40:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_init_one [2020-10-15 06:40:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_remove_one [2020-10-15 06:40:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_register_extension [2020-10-15 06:40:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_unregister_extension [2020-10-15 06:40:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2020-10-15 06:40:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2020-10-15 06:40:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2020-10-15 06:40:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_26 [2020-10-15 06:40:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2020-10-15 06:40:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2020-10-15 06:40:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2020-10-15 06:40:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 06:40:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 06:40:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:40:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:40:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-15 06:40:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-15 06:40:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:40:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-15 06:40:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-15 06:40:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:40:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:40:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:40:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:40:32,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:40:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:40:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:40:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:40:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:40:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-15 06:40:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-15 06:40:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-15 06:40:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 06:40:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-15 06:40:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 06:40:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-15 06:40:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-15 06:40:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:40:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_sg [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_sg [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-15 06:40:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-15 06:40:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-15 06:40:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-15 06:40:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-15 06:40:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-15 06:40:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-15 06:40:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:40:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-15 06:40:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-15 06:40:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2020-10-15 06:40:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2020-10-15 06:40:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-15 06:40:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2020-10-15 06:40:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2020-10-15 06:40:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-15 06:40:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:40:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 06:40:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:40:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 06:40:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-15 06:40:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-15 06:40:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-15 06:40:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-15 06:40:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:40:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:40:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:40:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-15 06:40:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-15 06:40:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:40:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 06:40:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-15 06:40:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-15 06:40:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:40:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-15 06:40:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-15 06:40:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-15 06:40:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2020-10-15 06:40:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2020-10-15 06:40:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure to_saa7146_dev [2020-10-15 06:40:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_adapter_prepare [2020-10-15 06:40:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2020-10-15 06:40:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2020-10-15 06:40:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_func [2020-10-15 06:40:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_status [2020-10-15 06:40:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_prepare [2020-10-15 06:40:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:40:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 06:40:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:40:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_cleanup [2020-10-15 06:40:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_reset [2020-10-15 06:40:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:40:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:40:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:40:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_writeout [2020-10-15 06:40:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_transfer [2020-10-15 06:40:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_xfer [2020-10-15 06:40:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:40:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:40:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-15 06:40:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:40:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:40:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-15 06:40:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-15 06:40:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-15 06:40:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-15 06:40:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 06:40:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_26 [2020-10-15 06:40:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2020-10-15 06:40:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2020-10-15 06:40:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2020-10-15 06:40:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2020-10-15 06:40:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2020-10-15 06:40:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2020-10-15 06:40:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 06:40:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-15 06:40:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-15 06:40:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2020-10-15 06:40:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-15 06:40:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-15 06:40:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-15 06:40:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2020-10-15 06:40:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-15 06:40:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:40:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 06:40:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 06:40:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:40:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 06:40:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:40:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:40:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 06:40:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 06:40:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2020-10-15 06:40:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-10-15 06:40:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2020-10-15 06:40:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 06:40:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 06:40:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-15 06:40:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-15 06:40:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-15 06:40:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2020-10-15 06:40:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2020-10-15 06:40:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-15 06:40:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-15 06:40:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure PageHighMem [2020-10-15 06:40:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2020-10-15 06:40:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-15 06:40:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-15 06:40:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-15 06:40:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2020-10-15 06:40:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2020-10-15 06:40:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2020-10-15 06:40:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2020-10-15 06:40:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-10-15 06:40:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-15 06:40:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-10-15 06:40:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_sg [2020-10-15 06:40:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_sg [2020-10-15 06:40:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-15 06:40:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-15 06:40:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-15 06:40:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2020-10-15 06:40:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2020-10-15 06:40:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2020-10-15 06:40:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2020-10-15 06:40:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-15 06:40:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-15 06:40:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-15 06:40:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-15 06:40:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-15 06:40:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-15 06:40:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-15 06:40:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-15 06:40:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2020-10-15 06:40:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2020-10-15 06:40:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-15 06:40:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-15 06:40:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-15 06:40:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-15 06:40:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-15 06:40:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_register_extension [2020-10-15 06:40:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_unregister_extension [2020-10-15 06:40:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2020-10-15 06:40:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2020-10-15 06:40:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2020-10-15 06:40:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vmalloc_build_pgtable [2020-10-15 06:40:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vfree_destroy_pgtable [2020-10-15 06:40:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_setgpio [2020-10-15 06:40:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done [2020-10-15 06:40:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_sleep [2020-10-15 06:40:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_busyloop [2020-10-15 06:40:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_sg [2020-10-15 06:40:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_hw [2020-10-15 06:40:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 06:40:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-15 06:40:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_init_one [2020-10-15 06:40:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-15 06:40:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 06:40:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_remove_one [2020-10-15 06:40:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 06:40:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2020-10-15 06:40:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:40:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:40:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-15 06:40:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:40:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-15 06:40:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2020-10-15 06:40:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:40:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:40:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:40:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:40:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2020-10-15 06:40:32,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 06:40:32,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 06:40:32,551 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:40:32,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:40:32,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:40:32,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:40:42,319 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:40:42,319 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 06:40:42,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:40:42 BoogieIcfgContainer [2020-10-15 06:40:42,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:40:42,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:40:42,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:40:42,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:40:42,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:40:29" (1/3) ... [2020-10-15 06:40:42,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454d7eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:40:42, skipping insertion in model container [2020-10-15 06:40:42,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:32" (2/3) ... [2020-10-15 06:40:42,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454d7eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:40:42, skipping insertion in model container [2020-10-15 06:40:42,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:40:42" (3/3) ... [2020-10-15 06:40:42,349 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2020-10-15 06:40:42,362 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:40:42,378 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:40:42,397 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:40:42,428 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:40:42,428 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:40:42,429 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:40:42,429 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:40:42,429 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:40:42,429 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:40:42,429 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:40:42,429 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:40:42,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states. [2020-10-15 06:40:42,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 06:40:42,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:40:42,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:40:42,482 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:40:42,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:40:42,489 INFO L82 PathProgramCache]: Analyzing trace with hash -938312222, now seen corresponding path program 1 times [2020-10-15 06:40:42,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:40:42,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409705777] [2020-10-15 06:40:42,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:40:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:43,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:48,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 06:40:48,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4901 [2020-10-15 06:40:48,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:48,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:48,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:48,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:40:48,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 06:40:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:40:54,096 WARN L193 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-15 06:40:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:40:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:54,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:54,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:54,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:54,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-15 06:40:54,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:54,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:54,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:40:54,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:54,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:40:54,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:40:55,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:40:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:40:55,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:40:55,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:40:55,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:40:55,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:40:55,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 06:40:55,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:40:55,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:40:55,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:40:55,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:40:55,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:40:55,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:40:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:40:55,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409705777] [2020-10-15 06:40:55,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:40:55,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:40:55,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862863407] [2020-10-15 06:40:55,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:40:55,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:40:55,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:40:55,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:40:55,242 INFO L87 Difference]: Start difference. First operand 1318 states. Second operand 5 states. [2020-10-15 06:41:03,452 WARN L193 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-15 06:41:28,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:41:28,415 INFO L93 Difference]: Finished difference Result 1374 states and 1900 transitions. [2020-10-15 06:41:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:41:28,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-15 06:41:28,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:41:28,446 INFO L225 Difference]: With dead ends: 1374 [2020-10-15 06:41:28,447 INFO L226 Difference]: Without dead ends: 911 [2020-10-15 06:41:28,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:41:28,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-10-15 06:41:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 884. [2020-10-15 06:41:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-10-15 06:41:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1199 transitions. [2020-10-15 06:41:28,914 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1199 transitions. Word has length 16 [2020-10-15 06:41:28,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:41:28,914 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1199 transitions. [2020-10-15 06:41:28,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:41:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1199 transitions. [2020-10-15 06:41:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 06:41:28,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:41:28,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:41:28,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:41:28,917 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:41:28,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:41:28,917 INFO L82 PathProgramCache]: Analyzing trace with hash 976367723, now seen corresponding path program 1 times [2020-10-15 06:41:28,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:41:28,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170670973] [2020-10-15 06:41:28,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:41:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:29,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:32,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:32,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 06:41:32,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:32,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3314 [2020-10-15 06:41:32,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:32,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:32,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:41:32,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:41:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 06:41:32,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:37,969 WARN L193 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-15 06:41:37,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:41:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:38,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:38,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:38,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:38,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 759 [2020-10-15 06:41:38,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:38,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:41:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:41:38,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:41:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:41:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:41:38,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:41:38,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:41:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:41:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 06:41:38,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:41:38,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:41:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:41:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:41:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:41:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:41:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:41:38,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170670973] [2020-10-15 06:41:38,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:41:38,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:41:38,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974621493] [2020-10-15 06:41:38,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:41:38,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:41:38,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:41:38,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:41:38,971 INFO L87 Difference]: Start difference. First operand 884 states and 1199 transitions. Second operand 5 states. [2020-10-15 06:41:47,113 WARN L193 SmtUtils]: Spent 5.72 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-15 06:42:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:42:01,366 INFO L93 Difference]: Finished difference Result 913 states and 1235 transitions. [2020-10-15 06:42:01,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:42:01,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-15 06:42:01,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:42:01,376 INFO L225 Difference]: With dead ends: 913 [2020-10-15 06:42:01,377 INFO L226 Difference]: Without dead ends: 910 [2020-10-15 06:42:01,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:42:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-15 06:42:01,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 886. [2020-10-15 06:42:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-10-15 06:42:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1200 transitions. [2020-10-15 06:42:01,692 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1200 transitions. Word has length 17 [2020-10-15 06:42:01,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:42:01,693 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1200 transitions. [2020-10-15 06:42:01,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:42:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1200 transitions. [2020-10-15 06:42:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 06:42:01,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:42:01,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:42:01,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:42:01,694 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:42:01,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:42:01,695 INFO L82 PathProgramCache]: Analyzing trace with hash 201908741, now seen corresponding path program 1 times [2020-10-15 06:42:01,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:42:01,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105413281] [2020-10-15 06:42:01,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:42:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:01,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:05,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:05,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:42:05,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3302 [2020-10-15 06:42:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:05,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:42:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:42:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 06:42:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:10,966 WARN L193 SmtUtils]: Spent 5.68 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-15 06:42:10,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:42:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:11,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:11,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:11,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 614 [2020-10-15 06:42:11,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:11,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:11,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:11,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:11,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:11,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:11,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 06:42:11,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:11,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:11,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:42:11,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:11,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:42:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:42:11,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105413281] [2020-10-15 06:42:11,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:42:11,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:42:11,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980834132] [2020-10-15 06:42:11,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:42:11,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:42:11,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:42:11,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:42:11,818 INFO L87 Difference]: Start difference. First operand 886 states and 1200 transitions. Second operand 5 states. [2020-10-15 06:42:19,748 WARN L193 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-15 06:42:34,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:42:34,759 INFO L93 Difference]: Finished difference Result 912 states and 1233 transitions. [2020-10-15 06:42:34,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:42:34,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-15 06:42:34,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:42:34,771 INFO L225 Difference]: With dead ends: 912 [2020-10-15 06:42:34,771 INFO L226 Difference]: Without dead ends: 909 [2020-10-15 06:42:34,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:42:34,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-15 06:42:35,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 885. [2020-10-15 06:42:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-10-15 06:42:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1198 transitions. [2020-10-15 06:42:35,149 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1198 transitions. Word has length 18 [2020-10-15 06:42:35,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:42:35,150 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1198 transitions. [2020-10-15 06:42:35,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:42:35,150 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1198 transitions. [2020-10-15 06:42:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 06:42:35,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:42:35,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:42:35,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 06:42:35,152 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:42:35,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:42:35,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1963488942, now seen corresponding path program 1 times [2020-10-15 06:42:35,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:42:35,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708319504] [2020-10-15 06:42:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:42:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:35,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:38,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:38,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 06:42:38,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:38,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3094 [2020-10-15 06:42:38,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:38,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:38,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:42:38,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:42:38,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:42:38,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:44,000 WARN L193 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-15 06:42:44,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:42:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:44,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:44,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:44,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:44,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-15 06:42:44,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:44,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:42:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:42:44,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:42:44,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:42:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:42:44,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:42:44,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:42:44,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:42:44,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:42:44,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 06:42:44,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:42:44,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:42:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:42:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:42:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:42:44,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:42:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:42:44,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708319504] [2020-10-15 06:42:44,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:42:44,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:42:44,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119781152] [2020-10-15 06:42:44,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:42:44,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:42:44,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:42:44,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:42:44,754 INFO L87 Difference]: Start difference. First operand 885 states and 1198 transitions. Second operand 5 states. [2020-10-15 06:42:52,937 WARN L193 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-15 06:43:10,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:43:10,367 INFO L93 Difference]: Finished difference Result 911 states and 1231 transitions. [2020-10-15 06:43:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:43:10,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-15 06:43:10,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:43:10,378 INFO L225 Difference]: With dead ends: 911 [2020-10-15 06:43:10,378 INFO L226 Difference]: Without dead ends: 908 [2020-10-15 06:43:10,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:43:10,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-15 06:43:10,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 884. [2020-10-15 06:43:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-10-15 06:43:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1196 transitions. [2020-10-15 06:43:10,679 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1196 transitions. Word has length 19 [2020-10-15 06:43:10,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:43:10,679 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1196 transitions. [2020-10-15 06:43:10,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:43:10,679 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1196 transitions. [2020-10-15 06:43:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-15 06:43:10,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:43:10,680 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] [2020-10-15 06:43:10,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 06:43:10,681 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:43:10,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:43:10,681 INFO L82 PathProgramCache]: Analyzing trace with hash 737905192, now seen corresponding path program 1 times [2020-10-15 06:43:10,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:43:10,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333036495] [2020-10-15 06:43:10,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:43:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:10,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:13,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:13,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 06:43:13,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2305 [2020-10-15 06:43:13,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:13,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:43:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:43:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 06:43:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:19,021 WARN L193 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-15 06:43:19,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:43:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:19,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:20,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:20,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:20,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:20,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-10-15 06:43:20,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:20,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:43:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:43:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:43:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:43:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:20,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:20,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:20,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:43:20,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:20,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:43:20,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:20,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:20,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:43:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:43:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:43:20,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:43:20,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333036495] [2020-10-15 06:43:20,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:43:20,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:43:20,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042917378] [2020-10-15 06:43:20,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:43:20,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:43:20,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:43:20,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:43:20,258 INFO L87 Difference]: Start difference. First operand 884 states and 1196 transitions. Second operand 5 states. [2020-10-15 06:43:28,567 WARN L193 SmtUtils]: Spent 5.72 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-15 06:43:47,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:43:47,748 INFO L93 Difference]: Finished difference Result 910 states and 1229 transitions. [2020-10-15 06:43:47,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:43:47,754 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-15 06:43:47,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:43:47,758 INFO L225 Difference]: With dead ends: 910 [2020-10-15 06:43:47,758 INFO L226 Difference]: Without dead ends: 901 [2020-10-15 06:43:47,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:43:47,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-15 06:43:48,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 877. [2020-10-15 06:43:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2020-10-15 06:43:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1187 transitions. [2020-10-15 06:43:48,068 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1187 transitions. Word has length 20 [2020-10-15 06:43:48,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:43:48,069 INFO L479 AbstractCegarLoop]: Abstraction has 877 states and 1187 transitions. [2020-10-15 06:43:48,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:43:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1187 transitions. [2020-10-15 06:43:48,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-15 06:43:48,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:43:48,073 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] [2020-10-15 06:43:48,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 06:43:48,073 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:43:48,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:43:48,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1288844198, now seen corresponding path program 1 times [2020-10-15 06:43:48,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:43:48,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400435186] [2020-10-15 06:43:48,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:43:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:48,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:43:53,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:43:53,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 06:43:53,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:43:53,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5655 [2020-10-15 06:43:53,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:43:53,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:43:53,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:43:53,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-15 06:43:53,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:43:53,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:43:59,824 WARN L193 SmtUtils]: Spent 5.74 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-15 06:43:59,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:43:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:43:59,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:01,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:01,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:44:01,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1334 [2020-10-15 06:44:01,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:01,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:44:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:44:01,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:01,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:44:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:01,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:01,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:01,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:44:01,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:01,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 06:44:01,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:01,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:44:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:44:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:01,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-15 06:44:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:01,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:01,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:01,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:44:01,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 06:44:01,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:01,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:44:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:44:01,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:44:01,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:44:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:01,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:01,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:01,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 06:44:01,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:01,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-15 06:44:01,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:01,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:44:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-15 06:44:01,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:44:01,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:01,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:44:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:01,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:01,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:01,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:44:01,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 06:44:01,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:01,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:44:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:44:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:44:01,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:44:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:02,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:02,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:02,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:44:02,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 06:44:02,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:02,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:44:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:44:02,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:02,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:44:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:02,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:02,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:02,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:44:02,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:02,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 06:44:02,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:02,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:44:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:44:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:02,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:44:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:02,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:02,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:44:02,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:44:02,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:02,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:44:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:44:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:44:02,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 06:44:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:02,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:02,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:02,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 06:44:02,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-15 06:44:02,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:02,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:02,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:44:02,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 06:44:02,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:44:02,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:44:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:02,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:02,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:02,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:44:02,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:02,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-15 06:44:02,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:02,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:02,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 06:44:02,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:02,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 06:44:02,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:02,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:44:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:02,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:02,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:02,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:44:02,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:44:02,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:02,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:44:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:44:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:02,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:44:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:44:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:44:02,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:44:02,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:44:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:44:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 06:44:02,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:44:02,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:44:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:44:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:44:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 06:44:02,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:44:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:44:02,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400435186] [2020-10-15 06:44:02,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:44:02,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 06:44:02,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839922879] [2020-10-15 06:44:02,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 06:44:02,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:44:02,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 06:44:02,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-15 06:44:02,787 INFO L87 Difference]: Start difference. First operand 877 states and 1187 transitions. Second operand 12 states. [2020-10-15 06:44:09,035 WARN L193 SmtUtils]: Spent 6.17 s on a formula simplification that was a NOOP. DAG size: 1216