/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_outb.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:14:35,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:14:35,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:14:35,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:14:35,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:14:35,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:14:35,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:14:35,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:14:35,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:14:35,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:14:35,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:14:35,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:14:35,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:14:35,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:14:35,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:14:35,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:14:35,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:14:35,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:14:35,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:14:35,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:14:35,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:14:35,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:14:35,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:14:35,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:14:35,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:14:35,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:14:35,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:14:35,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:14:35,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:14:35,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:14:35,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:14:35,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:14:35,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:14:35,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:14:35,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:14:35,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:14:35,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:14:35,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:14:35,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:14:35,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:14:35,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:14:35,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 00:14:35,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:14:35,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:14:35,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:14:35,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:14:35,480 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:14:35,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:14:35,481 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:14:35,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:14:35,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:14:35,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:14:35,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:14:35,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:14:35,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:14:35,482 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:14:35,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:14:35,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:14:35,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:14:35,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:14:35,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:14:35,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:14:35,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:14:35,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:14:35,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:14:35,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:14:35,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:14:35,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:14:35,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:14:35,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:14:35,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:14:35,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:14:35,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:14:35,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:14:35,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:14:35,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:14:35,825 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:14:35,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_outb.i [2020-10-14 00:14:35,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/707e35269/47b4a14e8d2f4433b542c241f52bffe9/FLAGb6d5a19d1 [2020-10-14 00:14:36,621 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:14:36,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_outb.i [2020-10-14 00:14:36,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/707e35269/47b4a14e8d2f4433b542c241f52bffe9/FLAGb6d5a19d1 [2020-10-14 00:14:36,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/707e35269/47b4a14e8d2f4433b542c241f52bffe9 [2020-10-14 00:14:36,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:14:36,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:14:36,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:14:36,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:14:36,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:14:36,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:14:36" (1/1) ... [2020-10-14 00:14:36,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214a015b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:36, skipping insertion in model container [2020-10-14 00:14:36,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:14:36" (1/1) ... [2020-10-14 00:14:36,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:14:36,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:14:38,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:14:38,462 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:14:38,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:14:39,396 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:14:39,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39 WrapperNode [2020-10-14 00:14:39,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:14:39,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:14:39,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:14:39,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:14:39,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (1/1) ... [2020-10-14 00:14:39,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (1/1) ... [2020-10-14 00:14:39,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (1/1) ... [2020-10-14 00:14:39,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (1/1) ... [2020-10-14 00:14:39,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (1/1) ... [2020-10-14 00:14:39,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (1/1) ... [2020-10-14 00:14:39,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (1/1) ... [2020-10-14 00:14:39,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:14:39,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:14:39,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:14:39,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:14:39,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (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 [2020-10-14 00:14:39,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:14:39,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:14:39,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-14 00:14:39,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-14 00:14:39,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0 [2020-10-14 00:14:39,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-14 00:14:39,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-14 00:14:39,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 00:14:39,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 00:14:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-14 00:14:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~~irqreturn_t~0 [2020-10-14 00:14:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-14 00:14:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 00:14:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 00:14:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2020-10-14 00:14:39,757 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_interrupt [2020-10-14 00:14:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2020-10-14 00:14:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_usecs [2020-10-14 00:14:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-14 00:14:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2020-10-14 00:14:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 00:14:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 00:14:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-14 00:14:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-14 00:14:39,760 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-14 00:14:39,760 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-14 00:14:39,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_init [2020-10-14 00:14:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_destroy [2020-10-14 00:14:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_lock [2020-10-14 00:14:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_unlock [2020-10-14 00:14:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2020-10-14 00:14:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2020-10-14 00:14:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-14 00:14:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-14 00:14:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-14 00:14:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2020-10-14 00:14:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_negative [2020-10-14 00:14:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-14 00:14:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2020-10-14 00:14:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sigfillset [2020-10-14 00:14:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sigaddsetmask [2020-10-14 00:14:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sigdelsetmask [2020-10-14 00:14:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sigtestsetmask [2020-10-14 00:14:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-14 00:14:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-14 00:14:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-14 00:14:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-14 00:14:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2020-10-14 00:14:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2020-10-14 00:14:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_status [2020-10-14 00:14:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2020-10-14 00:14:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2020-10-14 00:14:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_timer [2020-10-14 00:14:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2020-10-14 00:14:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_on [2020-10-14 00:14:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2020-10-14 00:14:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_write [2020-10-14 00:14:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ioctl [2020-10-14 00:14:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_open [2020-10-14 00:14:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_close [2020-10-14 00:14:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_notify_sys [2020-10-14 00:14:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_show_action [2020-10-14 00:14:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_init [2020-10-14 00:14:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_exit [2020-10-14 00:14:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:14:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 00:14:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 00:14:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2020-10-14 00:14:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2020-10-14 00:14:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kernel [2020-10-14 00:14:39,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ddv [2020-10-14 00:14:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure call_ddv [2020-10-14 00:14:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure call_cdev_functions [2020-10-14 00:14:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure create_request [2020-10-14 00:14:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rq_function [2020-10-14 00:14:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure call_genhd_functions [2020-10-14 00:14:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure call_interrupt_handler [2020-10-14 00:14:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure create_pci_dev [2020-10-14 00:14:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_device [2020-10-14 00:14:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_remove_device [2020-10-14 00:14:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure call_pci_functions [2020-10-14 00:14:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure call_tasklet_functions [2020-10-14 00:14:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure call_timer_functions [2020-10-14 00:14:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-14 00:14:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_class [2020-10-14 00:14:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_register_driver [2020-10-14 00:14:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-14 00:14:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2020-10-14 00:14:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2020-10-14 00:14:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-14 00:14:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-14 00:14:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_user [2020-10-14 00:14:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user [2020-10-14 00:14:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_user [2020-10-14 00:14:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure put_user [2020-10-14 00:14:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 00:14:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-14 00:14:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-14 00:14:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-14 00:14:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-14 00:14:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-14 00:14:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-14 00:14:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fixed_request_queue [2020-10-14 00:14:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-14 00:14:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2020-10-14 00:14:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2020-10-14 00:14:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure end_request [2020-10-14 00:14:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_hardsect_size [2020-10-14 00:14:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-14 00:14:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-14 00:14:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2020-10-14 00:14:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2020-10-14 00:14:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2020-10-14 00:14:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2020-10-14 00:14:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2020-10-14 00:14:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2020-10-14 00:14:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_alloc [2020-10-14 00:14:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2020-10-14 00:14:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2020-10-14 00:14:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2020-10-14 00:14:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_init [2020-10-14 00:14:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 00:14:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 00:14:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2020-10-14 00:14:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2020-10-14 00:14:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-14 00:14:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-14 00:14:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2020-10-14 00:14:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2020-10-14 00:14:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2020-10-14 00:14:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2020-10-14 00:14:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2020-10-14 00:14:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2020-10-14 00:14:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure inw_p [2020-10-14 00:14:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure outw_p [2020-10-14 00:14:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure inl_p [2020-10-14 00:14:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure outl_p [2020-10-14 00:14:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-14 00:14:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-14 00:14:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-14 00:14:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure init_MUTEX [2020-10-14 00:14:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure init_MUTEX_LOCKED [2020-10-14 00:14:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2020-10-14 00:14:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-14 00:14:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2020-10-14 00:14:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-14 00:14:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-14 00:14:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-14 00:14:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2020-10-14 00:14:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 00:14:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2020-10-14 00:14:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-14 00:14:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-14 00:14:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 00:14:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 00:14:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-14 00:14:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-14 00:14:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer [2020-10-14 00:14:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-14 00:14:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer_on [2020-10-14 00:14:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-14 00:14:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-14 00:14:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_head [2020-10-14 00:14:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_all [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_interruptible [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sleep_on [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure call_shared_workqueue_functions [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-14 00:14:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-14 00:14:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_page [2020-10-14 00:14:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2020-10-14 00:14:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_node [2020-10-14 00:14:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-14 00:14:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_page [2020-10-14 00:14:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 00:14:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 00:14:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-14 00:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 00:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2020-10-14 00:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-14 00:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __module_get [2020-10-14 00:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-14 00:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-14 00:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2020-10-14 00:14:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-14 00:14:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2020-10-14 00:14:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure release_mem_region [2020-10-14 00:14:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 00:14:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure request_mem_region [2020-10-14 00:14:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2020-10-14 00:14:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2020-10-14 00:14:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 00:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 00:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 00:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 00:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2020-10-14 00:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_interrupt [2020-10-14 00:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure call_ddv [2020-10-14 00:14:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure barrier [2020-10-14 00:14:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-14 00:14:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-14 00:14:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2020-10-14 00:14:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_usecs [2020-10-14 00:14:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-14 00:14:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2020-10-14 00:14:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer_on [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-14 00:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-14 00:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 00:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 00:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-14 00:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-14 00:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure rmb [2020-10-14 00:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure read_barrier_depends [2020-10-14 00:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure wmb [2020-10-14 00:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure mb [2020-10-14 00:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 00:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 00:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 00:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-14 00:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 00:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-14 00:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-14 00:14:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-14 00:14:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-14 00:14:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_head [2020-10-14 00:14:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-14 00:14:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-14 00:14:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up [2020-10-14 00:14:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_all [2020-10-14 00:14:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_interruptible [2020-10-14 00:14:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-14 00:14:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue_exclusive [2020-10-14 00:14:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-14 00:14:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2020-10-14 00:14:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure sleep_on [2020-10-14 00:14:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2020-10-14 00:14:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pthread_t [2020-10-14 00:14:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-10-14 00:14:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-10-14 00:14:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-10-14 00:14:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-10-14 00:14:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-10-14 00:14:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-10-14 00:14:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-10-14 00:14:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-10-14 00:14:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-10-14 00:14:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-10-14 00:14:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-10-14 00:14:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-10-14 00:14:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-10-14 00:14:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-10-14 00:14:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-10-14 00:14:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-10-14 00:14:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-10-14 00:14:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-10-14 00:14:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-10-14 00:14:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-10-14 00:14:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-10-14 00:14:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-10-14 00:14:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-10-14 00:14:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-10-14 00:14:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-10-14 00:14:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-10-14 00:14:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getattr_np [2020-10-14 00:14:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-10-14 00:14:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-10-14 00:14:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getconcurrency [2020-10-14 00:14:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setconcurrency [2020-10-14 00:14:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_yield [2020-10-14 00:14:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-10-14 00:14:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 00:14:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 00:14:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 00:14:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 00:14:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 00:14:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-10-14 00:14:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-14 00:14:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-14 00:14:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-14 00:14:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-10-14 00:14:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-10-14 00:14:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-10-14 00:14:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-10-14 00:14:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-10-14 00:14:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-10-14 00:14:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-10-14 00:14:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-10-14 00:14:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-10-14 00:14:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-10-14 00:14:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-10-14 00:14:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-10-14 00:14:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-10-14 00:14:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-10-14 00:14:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-10-14 00:14:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-10-14 00:14:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-10-14 00:14:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-10-14 00:14:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-10-14 00:14:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_kill_other_threads_np [2020-10-14 00:14:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 00:14:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-14 00:14:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-14 00:14:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:14:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 00:14:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 00:14:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 00:14:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 00:14:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-14 00:14:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned [2020-10-14 00:14:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-14 00:14:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-14 00:14:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_sector_t [2020-10-14 00:14:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2020-10-14 00:14:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pchar [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure noop [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2020-10-14 00:14:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_negative [2020-10-14 00:14:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-14 00:14:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2020-10-14 00:14:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-14 00:14:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_page [2020-10-14 00:14:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2020-10-14 00:14:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2020-10-14 00:14:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure free_page [2020-10-14 00:14:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_node [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_page [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ksize [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-14 00:14:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strnicmp [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-14 00:14:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure strnchr [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strstrip [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-14 00:14:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-14 00:14:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 00:14:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-14 00:14:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure memscan [2020-10-14 00:14:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-14 00:14:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-14 00:14:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-14 00:14:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-14 00:14:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_change_bit [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure test_bit [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure sigfillset [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure sigaddsetmask [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure sigdelsetmask [2020-10-14 00:14:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure sigtestsetmask [2020-10-14 00:14:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-14 00:14:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-14 00:14:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-14 00:14:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure need_resched [2020-10-14 00:14:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_signal [2020-10-14 00:14:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2020-10-14 00:14:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure set_current_state [2020-10-14 00:14:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure kill_proc [2020-10-14 00:14:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2020-10-14 00:14:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-10-14 00:14:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtol [2020-10-14 00:14:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoull [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoll [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure cond_resched [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_option [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_options [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2020-10-14 00:14:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure __module_get [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure init_MUTEX [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure init_MUTEX_LOCKED [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure down [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-14 00:14:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-14 00:14:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-14 00:14:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-14 00:14:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2020-10-14 00:14:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2020-10-14 00:14:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2020-10-14 00:14:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2020-10-14 00:14:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2020-10-14 00:14:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2020-10-14 00:14:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure chrdev_open [2020-10-14 00:14:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure chrdev_show [2020-10-14 00:14:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-14 00:14:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-14 00:14:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2020-10-14 00:14:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-14 00:14:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure check_disk_change [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure request_mem_region [2020-10-14 00:14:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure release_mem_region [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure machine_restart [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure machine_halt [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure machine_power_off [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure machine_shutdown [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure machine_crash_shutdown [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_shutdown_prepare [2020-10-14 00:14:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_restart [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_halt [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_power_off [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_alt_del [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure emergency_restart [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-14 00:14:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure inw_p [2020-10-14 00:14:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure outw_p [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure inl_p [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure outl_p [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure insl [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure outsl [2020-10-14 00:14:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8_rep [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16_rep [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2020-10-14 00:14:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8_rep [2020-10-14 00:14:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16_rep [2020-10-14 00:14:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2020-10-14 00:14:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-14 00:14:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2020-10-14 00:14:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-14 00:14:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-14 00:14:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2020-10-14 00:14:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-14 00:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure access_ok [2020-10-14 00:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user [2020-10-14 00:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_user [2020-10-14 00:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user [2020-10-14 00:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure put_user [2020-10-14 00:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 00:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-14 00:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2020-10-14 00:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_status [2020-10-14 00:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2020-10-14 00:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2020-10-14 00:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_timer [2020-10-14 00:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2020-10-14 00:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_on [2020-10-14 00:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2020-10-14 00:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure zf_write [2020-10-14 00:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ioctl [2020-10-14 00:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure zf_open [2020-10-14 00:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure zf_close [2020-10-14 00:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure zf_notify_sys [2020-10-14 00:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure zf_show_action [2020-10-14 00:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 00:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure zf_init [2020-10-14 00:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure zf_exit [2020-10-14 00:14:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:14:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2020-10-14 00:14:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2020-10-14 00:14:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_put [2020-10-14 00:14:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2020-10-14 00:14:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2020-10-14 00:14:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure cd_forget [2020-10-14 00:14:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure call_cdev_functions [2020-10-14 00:14:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure class_create [2020-10-14 00:14:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-14 00:14:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure class_device_create [2020-10-14 00:14:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure class_device_destroy [2020-10-14 00:14:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 00:14:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 00:14:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2020-10-14 00:14:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk_randomness [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure flush_scheduled_work [2020-10-14 00:14:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_init [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure page_address [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-14 00:14:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_mask [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure cli [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure sti [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure save_flags [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure restore_flags [2020-10-14 00:14:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap_atomic [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic_pfn [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic_to_page [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure __bio_kmap_atomic [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure __bio_kunmap_atomic [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2020-10-14 00:14:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_sectors [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure elv_next_request [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_hardsect_size [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure blk_plug_device [2020-10-14 00:14:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure blk_remove_plug [2020-10-14 00:14:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_dequeue_request [2020-10-14 00:14:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_first [2020-10-14 00:14:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_chunk [2020-10-14 00:14:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_last [2020-10-14 00:14:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure end_request [2020-10-14 00:14:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure blk_complete_request [2020-10-14 00:14:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2020-10-14 00:14:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_phys_segments [2020-10-14 00:14:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_segments [2020-10-14 00:14:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2020-10-14 00:14:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure call_genhd_functions [2020-10-14 00:14:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-10-14 00:14:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_class [2020-10-14 00:14:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2020-10-14 00:14:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-14 00:14:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_register_driver [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-14 00:14:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_device [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_remove_device [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure call_pci_functions [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure call_interrupt_handler [2020-10-14 00:14:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure call_tasklet_functions [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure call_timer_functions [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure call_shared_workqueue_functions [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure init_kernel [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ddv [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0 [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-14 00:14:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure create_request [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure call_rq_function [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~~irqreturn_t~0 [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure create_pci_dev [2020-10-14 00:14:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-14 00:14:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure get_fixed_request_queue [2020-10-14 00:14:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2020-10-14 00:14:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_entry [2020-10-14 00:14:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2020-10-14 00:14:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2020-10-14 00:14:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2020-10-14 00:14:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-14 00:14:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-14 00:14:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2020-10-14 00:14:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure seq_escape [2020-10-14 00:14:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2020-10-14 00:14:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2020-10-14 00:14:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-14 00:14:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2020-10-14 00:14:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2020-10-14 00:14:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2020-10-14 00:14:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2020-10-14 00:14:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-14 00:14:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-14 00:14:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2020-10-14 00:14:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2020-10-14 00:14:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2020-10-14 00:14:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-14 00:14:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2020-10-14 00:14:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure do_SAK [2020-10-14 00:14:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-14 00:14:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-14 00:14:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2020-10-14 00:14:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2020-10-14 00:14:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-14 00:14:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-14 00:14:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:14:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 00:14:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 00:14:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:14:54,103 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:14:54,103 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-14 00:14:54,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:14:54 BoogieIcfgContainer [2020-10-14 00:14:54,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:14:54,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:14:54,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:14:54,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:14:54,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:14:36" (1/3) ... [2020-10-14 00:14:54,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f5a5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:14:54, skipping insertion in model container [2020-10-14 00:14:54,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:39" (2/3) ... [2020-10-14 00:14:54,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f5a5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:14:54, skipping insertion in model container [2020-10-14 00:14:54,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:14:54" (3/3) ... [2020-10-14 00:14:54,127 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb.i [2020-10-14 00:14:54,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:14:54,147 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:14:54,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:14:54,186 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:14:54,186 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:14:54,186 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:14:54,186 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:14:54,186 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:14:54,186 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:14:54,187 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:14:54,187 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:14:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states. [2020-10-14 00:14:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 00:14:54,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:54,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:54,234 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:54,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:54,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1473845345, now seen corresponding path program 1 times [2020-10-14 00:14:54,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:54,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163796475] [2020-10-14 00:14:54,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:54,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:55,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:56,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:56,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 00:14:56,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:14:56,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1601 [2020-10-14 00:14:56,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:56,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 00:14:56,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:56,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 00:14:57,261 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:14:57,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:57,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:57,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:57,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:57,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:57,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 00:14:57,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:57,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:57,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:57,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:57,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:57,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:57,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:14:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:57,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:57,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:57,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:57,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:14:57,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:14:57,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 00:14:57,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:57,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:57,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:57,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 00:14:57,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:57,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:57,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:14:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:57,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:57,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:57,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:57,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:57,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:14:57,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:57,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:57,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 00:14:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:57,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:57,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:57,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:57,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:57,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:14:57,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:57,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:57,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:57,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:14:57,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:57,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:14:57,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163796475] [2020-10-14 00:14:57,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:14:57,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 00:14:57,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175443760] [2020-10-14 00:14:57,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:14:57,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:14:57,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:14:57,719 INFO L87 Difference]: Start difference. First operand 684 states. Second operand 4 states. [2020-10-14 00:15:06,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:06,355 INFO L93 Difference]: Finished difference Result 1002 states and 1368 transitions. [2020-10-14 00:15:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 00:15:06,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-10-14 00:15:06,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:06,376 INFO L225 Difference]: With dead ends: 1002 [2020-10-14 00:15:06,376 INFO L226 Difference]: Without dead ends: 520 [2020-10-14 00:15:06,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:15:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-14 00:15:06,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 456. [2020-10-14 00:15:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-10-14 00:15:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 586 transitions. [2020-10-14 00:15:06,549 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 586 transitions. Word has length 36 [2020-10-14 00:15:06,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:06,549 INFO L479 AbstractCegarLoop]: Abstraction has 456 states and 586 transitions. [2020-10-14 00:15:06,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:15:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 586 transitions. [2020-10-14 00:15:06,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 00:15:06,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:06,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:06,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:15:06,552 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:06,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:06,552 INFO L82 PathProgramCache]: Analyzing trace with hash 205739867, now seen corresponding path program 1 times [2020-10-14 00:15:06,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:06,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101145612] [2020-10-14 00:15:06,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:06,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:06,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:08,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:08,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 00:15:08,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:15:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1415 [2020-10-14 00:15:08,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:08,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:15:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:15:08,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:15:08,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:08,711 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:15:08,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:08,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:08,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:08,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:08,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 00:15:08,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:08,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:08,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:08,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:15:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:08,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:08,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:08,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:08,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:15:08,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:15:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 00:15:08,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:08,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:15:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:15:08,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:15:08,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:08,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:15:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:09,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:09,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:09,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:09,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:15:09,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:09,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:09,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:09,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 00:15:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:09,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:09,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:09,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:09,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:15:09,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:09,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:15:09,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:09,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:15:09,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101145612] [2020-10-14 00:15:09,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:15:09,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 00:15:09,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566413295] [2020-10-14 00:15:09,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:15:09,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:09,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:15:09,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:15:09,052 INFO L87 Difference]: Start difference. First operand 456 states and 586 transitions. Second operand 5 states. [2020-10-14 00:15:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:16,320 INFO L93 Difference]: Finished difference Result 965 states and 1251 transitions. [2020-10-14 00:15:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:15:16,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-14 00:15:16,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:16,328 INFO L225 Difference]: With dead ends: 965 [2020-10-14 00:15:16,328 INFO L226 Difference]: Without dead ends: 523 [2020-10-14 00:15:16,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:15:16,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-10-14 00:15:16,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 458. [2020-10-14 00:15:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-14 00:15:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 588 transitions. [2020-10-14 00:15:16,478 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 588 transitions. Word has length 36 [2020-10-14 00:15:16,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:16,479 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 588 transitions. [2020-10-14 00:15:16,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:15:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 588 transitions. [2020-10-14 00:15:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 00:15:16,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:16,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:16,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:15:16,481 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:16,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:16,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1249361769, now seen corresponding path program 1 times [2020-10-14 00:15:16,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:16,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448754181] [2020-10-14 00:15:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:16,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:17,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:17,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 00:15:17,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-10-14 00:15:17,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:17,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:15:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:15:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:15:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:18,278 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:15:18,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:18,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:18,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:18,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:18,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:18,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 00:15:18,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:18,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:18,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:15:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:18,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:18,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:18,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 00:15:18,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 00:15:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:18,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:15:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:15:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:15:18,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:18,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:15:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:18,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:18,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:18,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:18,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:18,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:15:18,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:18,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:18,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:18,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 00:15:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:18,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:18,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:18,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:18,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:18,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 00:15:18,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:18,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:15:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:18,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:15:18,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448754181] [2020-10-14 00:15:18,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:15:18,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 00:15:18,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060291211] [2020-10-14 00:15:18,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 00:15:18,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:18,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 00:15:18,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:15:18,792 INFO L87 Difference]: Start difference. First operand 458 states and 588 transitions. Second operand 6 states. [2020-10-14 00:15:30,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:30,067 INFO L93 Difference]: Finished difference Result 968 states and 1253 transitions. [2020-10-14 00:15:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 00:15:30,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-14 00:15:30,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:30,073 INFO L225 Difference]: With dead ends: 968 [2020-10-14 00:15:30,073 INFO L226 Difference]: Without dead ends: 525 [2020-10-14 00:15:30,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:15:30,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-10-14 00:15:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 460. [2020-10-14 00:15:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-14 00:15:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 590 transitions. [2020-10-14 00:15:30,161 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 590 transitions. Word has length 40 [2020-10-14 00:15:30,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:30,161 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 590 transitions. [2020-10-14 00:15:30,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 00:15:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 590 transitions. [2020-10-14 00:15:30,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 00:15:30,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:30,163 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:30,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:15:30,163 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:30,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:30,164 INFO L82 PathProgramCache]: Analyzing trace with hash -153050603, now seen corresponding path program 2 times [2020-10-14 00:15:30,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:30,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567945682] [2020-10-14 00:15:30,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:30,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:31,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:31,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 00:15:31,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:31,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1731 [2020-10-14 00:15:31,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:31,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:15:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:15:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 00:15:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:32,945 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:15:32,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:32,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:33,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:33,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:33,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:33,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 00:15:33,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:33,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:33,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:15:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:33,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:33,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:33,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 00:15:33,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:33,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 00:15:33,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:33,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:33,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:15:33,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:15:33,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 00:15:33,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:33,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:15:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:33,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:33,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:33,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:33,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:33,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:15:33,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:33,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:33,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:33,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:33,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 00:15:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:33,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:33,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:33,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:33,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:33,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:15:33,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:33,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:15:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:33,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:15:33,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567945682] [2020-10-14 00:15:33,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:15:33,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:15:33,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727395150] [2020-10-14 00:15:33,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:15:33,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:33,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:15:33,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:15:33,309 INFO L87 Difference]: Start difference. First operand 460 states and 590 transitions. Second operand 7 states. [2020-10-14 00:15:47,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:47,206 INFO L93 Difference]: Finished difference Result 970 states and 1255 transitions. [2020-10-14 00:15:47,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:15:47,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-14 00:15:47,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:47,211 INFO L225 Difference]: With dead ends: 970 [2020-10-14 00:15:47,212 INFO L226 Difference]: Without dead ends: 527 [2020-10-14 00:15:47,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:15:47,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-10-14 00:15:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 462. [2020-10-14 00:15:47,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-10-14 00:15:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 592 transitions. [2020-10-14 00:15:47,292 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 592 transitions. Word has length 42 [2020-10-14 00:15:47,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:47,293 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 592 transitions. [2020-10-14 00:15:47,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:15:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 592 transitions. [2020-10-14 00:15:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-14 00:15:47,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:47,295 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:47,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:15:47,295 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:47,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:47,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1134992403, now seen corresponding path program 3 times [2020-10-14 00:15:47,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:47,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761327863] [2020-10-14 00:15:47,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:47,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:49,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:49,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 00:15:49,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:49,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2235 [2020-10-14 00:15:49,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:49,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:49,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 00:15:49,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:15:49,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 00:15:49,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:50,304 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:15:50,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:50,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:50,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:50,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:50,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:50,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 00:15:50,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:50,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:50,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:15:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:50,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:50,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:50,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 00:15:50,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:50,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 00:15:50,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:50,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:50,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 00:15:50,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:15:50,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 00:15:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:15:50,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:15:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:50,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:50,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:50,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:50,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:15:50,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:50,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:50,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:50,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 00:15:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:50,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:50,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:50,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:50,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 00:15:50,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:50,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:50,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:50,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:15:50,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:50,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:15:50,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761327863] [2020-10-14 00:15:50,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:15:50,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 00:15:50,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350437282] [2020-10-14 00:15:50,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 00:15:50,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:50,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 00:15:50,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:15:50,666 INFO L87 Difference]: Start difference. First operand 462 states and 592 transitions. Second operand 8 states. [2020-10-14 00:16:04,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:16:04,995 INFO L93 Difference]: Finished difference Result 972 states and 1257 transitions. [2020-10-14 00:16:04,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 00:16:04,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-10-14 00:16:04,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:16:05,000 INFO L225 Difference]: With dead ends: 972 [2020-10-14 00:16:05,000 INFO L226 Difference]: Without dead ends: 529 [2020-10-14 00:16:05,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:16:05,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-10-14 00:16:05,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 464. [2020-10-14 00:16:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-14 00:16:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 594 transitions. [2020-10-14 00:16:05,087 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 594 transitions. Word has length 44 [2020-10-14 00:16:05,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:16:05,088 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 594 transitions. [2020-10-14 00:16:05,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 00:16:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 594 transitions. [2020-10-14 00:16:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 00:16:05,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:16:05,089 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:16:05,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:16:05,090 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:16:05,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:16:05,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1993739921, now seen corresponding path program 4 times [2020-10-14 00:16:05,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:16:05,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866215122] [2020-10-14 00:16:05,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:16:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:05,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:07,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:07,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 00:16:07,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2163 [2020-10-14 00:16:07,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:07,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:16:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:16:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:16:07,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:16:08,011 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:16:08,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:16:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:08,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:08,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:08,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:08,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 00:16:08,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:08,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:08,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:16:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:08,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:08,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:08,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:16:08,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 00:16:08,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:08,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:16:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:16:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:16:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:08,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:16:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:08,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:08,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:08,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:08,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:08,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:16:08,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:08,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:08,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:16:08,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 00:16:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:08,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:08,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:08,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:16:08,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:08,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:16:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:08,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:16:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:16:08,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866215122] [2020-10-14 00:16:08,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:16:08,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 00:16:08,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808880458] [2020-10-14 00:16:08,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 00:16:08,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:16:08,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 00:16:08,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 00:16:08,440 INFO L87 Difference]: Start difference. First operand 464 states and 594 transitions. Second operand 9 states. [2020-10-14 00:16:23,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:16:23,839 INFO L93 Difference]: Finished difference Result 974 states and 1259 transitions. [2020-10-14 00:16:23,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 00:16:23,840 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2020-10-14 00:16:23,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:16:23,845 INFO L225 Difference]: With dead ends: 974 [2020-10-14 00:16:23,845 INFO L226 Difference]: Without dead ends: 531 [2020-10-14 00:16:23,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 00:16:23,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-10-14 00:16:23,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 466. [2020-10-14 00:16:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-14 00:16:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 596 transitions. [2020-10-14 00:16:23,933 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 596 transitions. Word has length 46 [2020-10-14 00:16:23,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:16:23,933 INFO L479 AbstractCegarLoop]: Abstraction has 466 states and 596 transitions. [2020-10-14 00:16:23,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 00:16:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 596 transitions. [2020-10-14 00:16:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-14 00:16:23,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:16:23,935 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:16:23,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:16:23,935 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:16:23,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:16:23,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1678583409, now seen corresponding path program 5 times [2020-10-14 00:16:23,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:16:23,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669461439] [2020-10-14 00:16:23,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:16:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:24,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:26,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:26,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 00:16:26,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2967 [2020-10-14 00:16:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:26,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 00:16:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:16:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:16:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:16:27,719 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:16:27,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:16:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:27,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:27,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:27,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:27,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 00:16:27,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:27,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:27,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:16:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:27,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:27,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:27,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 00:16:27,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:27,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 00:16:27,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:27,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:27,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 00:16:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:16:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:16:27,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:16:28,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:16:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:28,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:28,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:28,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:28,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:28,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:16:28,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:28,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:28,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:28,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 00:16:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:28,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:28,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:28,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:28,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:16:28,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:28,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:16:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:28,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:16:28,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669461439] [2020-10-14 00:16:28,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:16:28,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 00:16:28,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471377267] [2020-10-14 00:16:28,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 00:16:28,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:16:28,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 00:16:28,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 00:16:28,093 INFO L87 Difference]: Start difference. First operand 466 states and 596 transitions. Second operand 10 states. [2020-10-14 00:16:46,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:16:46,531 INFO L93 Difference]: Finished difference Result 976 states and 1261 transitions. [2020-10-14 00:16:46,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:16:46,532 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-10-14 00:16:46,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:16:46,536 INFO L225 Difference]: With dead ends: 976 [2020-10-14 00:16:46,536 INFO L226 Difference]: Without dead ends: 533 [2020-10-14 00:16:46,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 00:16:46,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-10-14 00:16:46,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 468. [2020-10-14 00:16:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-14 00:16:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 598 transitions. [2020-10-14 00:16:46,620 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 598 transitions. Word has length 48 [2020-10-14 00:16:46,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:16:46,620 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 598 transitions. [2020-10-14 00:16:46,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 00:16:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 598 transitions. [2020-10-14 00:16:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 00:16:46,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:16:46,621 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:16:46,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:16:46,622 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:16:46,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:16:46,622 INFO L82 PathProgramCache]: Analyzing trace with hash -318186227, now seen corresponding path program 6 times [2020-10-14 00:16:46,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:16:46,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848969103] [2020-10-14 00:16:46,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:16:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:46,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:49,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:49,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 00:16:49,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:49,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2960 [2020-10-14 00:16:49,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:49,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 00:16:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:16:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 00:16:49,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:50,694 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:16:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:16:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:50,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:50,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:50,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:50,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:50,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 00:16:50,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:50,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:50,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:50,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:50,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:16:50,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:16:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:50,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:50,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:50,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 00:16:50,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:50,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 00:16:50,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:50,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:50,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 00:16:50,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:16:50,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 00:16:50,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:51,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:16:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:51,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:51,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:51,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:51,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:51,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:16:51,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:51,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:51,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:51,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 00:16:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:51,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:51,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:51,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:51,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:16:51,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:51,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:16:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:51,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:16:51,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848969103] [2020-10-14 00:16:51,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:16:51,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 00:16:51,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487006795] [2020-10-14 00:16:51,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 00:16:51,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:16:51,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 00:16:51,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:16:51,154 INFO L87 Difference]: Start difference. First operand 468 states and 598 transitions. Second operand 11 states. [2020-10-14 00:17:07,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:17:07,912 INFO L93 Difference]: Finished difference Result 978 states and 1263 transitions. [2020-10-14 00:17:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:17:07,913 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 50 [2020-10-14 00:17:07,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:17:07,918 INFO L225 Difference]: With dead ends: 978 [2020-10-14 00:17:07,918 INFO L226 Difference]: Without dead ends: 535 [2020-10-14 00:17:07,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:17:07,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-10-14 00:17:08,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 470. [2020-10-14 00:17:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-14 00:17:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 600 transitions. [2020-10-14 00:17:08,003 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 600 transitions. Word has length 50 [2020-10-14 00:17:08,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:17:08,004 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 600 transitions. [2020-10-14 00:17:08,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 00:17:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 600 transitions. [2020-10-14 00:17:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 00:17:08,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:17:08,005 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:17:08,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:17:08,005 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:17:08,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:17:08,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1353447691, now seen corresponding path program 7 times [2020-10-14 00:17:08,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:17:08,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935022682] [2020-10-14 00:17:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:17:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:08,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:12,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:12,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 00:17:12,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:12,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3982 [2020-10-14 00:17:12,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:12,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 00:17:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:17:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 00:17:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:12,908 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:17:12,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:17:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:12,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:12,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:12,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 00:17:12,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:12,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:13,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:17:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:13,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:13,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:13,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 00:17:13,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:13,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 00:17:13,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:13,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:13,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 00:17:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:17:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 00:17:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:13,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:17:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:13,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:13,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:13,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:17:13,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:13,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 00:17:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:13,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:13,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:13,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:13,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:17:13,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:13,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:17:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:17:13,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935022682] [2020-10-14 00:17:13,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:17:13,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 00:17:13,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961404560] [2020-10-14 00:17:13,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 00:17:13,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:17:13,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 00:17:13,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:17:13,344 INFO L87 Difference]: Start difference. First operand 470 states and 600 transitions. Second operand 12 states. [2020-10-14 00:17:25,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:17:25,966 INFO L93 Difference]: Finished difference Result 980 states and 1265 transitions. [2020-10-14 00:17:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 00:17:25,968 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2020-10-14 00:17:25,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:17:25,973 INFO L225 Difference]: With dead ends: 980 [2020-10-14 00:17:25,973 INFO L226 Difference]: Without dead ends: 537 [2020-10-14 00:17:25,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:17:25,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-10-14 00:17:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 472. [2020-10-14 00:17:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-10-14 00:17:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 602 transitions. [2020-10-14 00:17:26,130 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 602 transitions. Word has length 52 [2020-10-14 00:17:26,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:17:26,131 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 602 transitions. [2020-10-14 00:17:26,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 00:17:26,131 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 602 transitions. [2020-10-14 00:17:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 00:17:26,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:17:26,132 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:17:26,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:17:26,132 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:17:26,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:17:26,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1475874185, now seen corresponding path program 8 times [2020-10-14 00:17:26,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:17:26,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505735591] [2020-10-14 00:17:26,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:17:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:26,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:30,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:30,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 00:17:30,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:30,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4261 [2020-10-14 00:17:30,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:30,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 00:17:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:17:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:17:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:31,295 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:17:31,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:17:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:31,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:31,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:31,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:31,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:31,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 00:17:31,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:31,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:31,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:31,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:31,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:17:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:31,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:31,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:31,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 00:17:31,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:31,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 00:17:31,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:31,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:31,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 00:17:31,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:17:31,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:17:31,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:17:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:31,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:31,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:31,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:31,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:31,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:17:31,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:31,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:31,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:31,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 00:17:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:31,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:17:31,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:31,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:17:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:17:31,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505735591] [2020-10-14 00:17:31,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:17:31,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 00:17:31,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881756634] [2020-10-14 00:17:31,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 00:17:31,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:17:31,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 00:17:31,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-14 00:17:31,718 INFO L87 Difference]: Start difference. First operand 472 states and 602 transitions. Second operand 13 states. [2020-10-14 00:17:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:17:42,368 INFO L93 Difference]: Finished difference Result 982 states and 1267 transitions. [2020-10-14 00:17:42,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 00:17:42,370 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2020-10-14 00:17:42,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:17:42,374 INFO L225 Difference]: With dead ends: 982 [2020-10-14 00:17:42,374 INFO L226 Difference]: Without dead ends: 539 [2020-10-14 00:17:42,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-14 00:17:42,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-10-14 00:17:42,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 474. [2020-10-14 00:17:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-10-14 00:17:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 604 transitions. [2020-10-14 00:17:42,468 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 604 transitions. Word has length 54 [2020-10-14 00:17:42,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:17:42,468 INFO L479 AbstractCegarLoop]: Abstraction has 474 states and 604 transitions. [2020-10-14 00:17:42,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 00:17:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 604 transitions. [2020-10-14 00:17:42,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-14 00:17:42,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:17:42,470 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:17:42,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:17:42,470 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:17:42,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:17:42,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1131349369, now seen corresponding path program 9 times [2020-10-14 00:17:42,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:17:42,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510417268] [2020-10-14 00:17:42,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:17:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:42,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:45,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:45,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 00:17:45,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2848 [2020-10-14 00:17:45,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:45,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 00:17:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:17:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 00:17:45,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:46,147 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-14 00:17:46,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:17:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:46,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:46,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:46,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:46,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:46,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 00:17:46,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:46,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:46,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:46,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:46,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:17:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:46,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:46,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:46,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 00:17:46,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:46,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 00:17:46,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:46,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 00:17:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:17:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 00:17:46,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:46,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:17:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:46,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:46,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:46,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:46,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:17:46,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:46,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:46,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:46,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 00:17:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:46,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:46,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:46,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:46,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:46,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:17:46,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:46,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:17:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:46,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:17:46,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510417268] [2020-10-14 00:17:46,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:17:46,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 00:17:46,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830586256] [2020-10-14 00:17:46,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 00:17:46,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:17:46,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 00:17:46,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2020-10-14 00:17:46,611 INFO L87 Difference]: Start difference. First operand 474 states and 604 transitions. Second operand 14 states. [2020-10-14 00:18:09,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:18:09,440 INFO L93 Difference]: Finished difference Result 983 states and 1268 transitions. [2020-10-14 00:18:09,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 00:18:09,442 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2020-10-14 00:18:09,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:18:09,446 INFO L225 Difference]: With dead ends: 983 [2020-10-14 00:18:09,447 INFO L226 Difference]: Without dead ends: 540 [2020-10-14 00:18:09,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2020-10-14 00:18:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-10-14 00:18:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 476. [2020-10-14 00:18:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-14 00:18:09,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 606 transitions. [2020-10-14 00:18:09,536 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 606 transitions. Word has length 56 [2020-10-14 00:18:09,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:18:09,536 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 606 transitions. [2020-10-14 00:18:09,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 00:18:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 606 transitions. [2020-10-14 00:18:09,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 00:18:09,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:18:09,537 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:18:09,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 00:18:09,537 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:18:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:18:09,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1587716101, now seen corresponding path program 10 times [2020-10-14 00:18:09,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:18:09,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887888080] [2020-10-14 00:18:09,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:18:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 00:18:09,663 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 00:18:09,663 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 00:18:09,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 00:18:09,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:18:09 BoogieIcfgContainer [2020-10-14 00:18:09,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:18:09,695 INFO L168 Benchmark]: Toolchain (without parser) took 212956.75 ms. Allocated memory was 147.8 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 99.7 MB in the beginning and 348.9 MB in the end (delta: -249.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-14 00:18:09,696 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-10-14 00:18:09,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2657.64 ms. Allocated memory was 147.8 MB in the beginning and 245.9 MB in the end (delta: 98.0 MB). Free memory was 99.5 MB in the beginning and 209.9 MB in the end (delta: -110.4 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:18:09,697 INFO L168 Benchmark]: Boogie Preprocessor took 262.57 ms. Allocated memory is still 245.9 MB. Free memory was 209.9 MB in the beginning and 187.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-14 00:18:09,698 INFO L168 Benchmark]: RCFGBuilder took 14456.96 ms. Allocated memory was 245.9 MB in the beginning and 469.8 MB in the end (delta: 223.9 MB). Free memory was 187.6 MB in the beginning and 279.4 MB in the end (delta: -91.8 MB). Peak memory consumption was 262.8 MB. Max. memory is 7.1 GB. [2020-10-14 00:18:09,699 INFO L168 Benchmark]: TraceAbstraction took 195573.82 ms. Allocated memory was 469.8 MB in the beginning and 1.6 GB in the end (delta: 1.1 GB). Free memory was 279.4 MB in the beginning and 348.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-14 00:18:09,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2657.64 ms. Allocated memory was 147.8 MB in the beginning and 245.9 MB in the end (delta: 98.0 MB). Free memory was 99.5 MB in the beginning and 209.9 MB in the end (delta: -110.4 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 262.57 ms. Allocated memory is still 245.9 MB. Free memory was 209.9 MB in the beginning and 187.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14456.96 ms. Allocated memory was 245.9 MB in the beginning and 469.8 MB in the end (delta: 223.9 MB). Free memory was 187.6 MB in the beginning and 279.4 MB in the end (delta: -91.8 MB). Peak memory consumption was 262.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 195573.82 ms. Allocated memory was 469.8 MB in the beginning and 1.6 GB in the end (delta: 1.1 GB). Free memory was 279.4 MB in the beginning and 348.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 1482. Possible FailurePath: [L18] int current_execution_context; [L29] int (* _ddv_module_init)(void); [L30] void (* _ddv_module_exit)(void); [L230] unsigned long jiffies; [L1472] char _ddv_module_author[] = "Fernando Fuganti "; [L1473] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1474] char _ddv_module_license[] = "GPL"; [L1476] static int nowayout = 0; [L1477] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1481-L1485] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1486] static int action = 0; [L1487] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1489] static int zf_action = 0x0800; [L1490] static unsigned long zf_is_open; [L1491] static char zf_expect_close; [L1492] static spinlock_t zf_lock; [L1493] static spinlock_t zf_port_lock; [L1494] static struct timer_list zf_timer; [L1495] static unsigned long next_heartbeat = 0; [L1741-L1748] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1750-L1754] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1761-L1763] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1843] int (* _ddv_tmp_init)(void) = zf_init; [L1844] void (* _ddv_tmp_exit)(void) = zf_exit; [L1895] struct cdev fixed_cdev[1]; [L1896] int fixed_cdev_used = 0; [L1898] short number_cdev_registered = 0; [L1909] struct ddv_cdev cdev_registered[1]; [L2446] short number_genhd_registered = 0; [L2447] short number_fixed_genhd_used = 0; [L2458] struct gendisk fixed_gendisk[10]; [L2459] struct ddv_genhd genhd_registered[10]; [L2594] struct ddv_pci_driver registered_pci_driver; [L2605] struct registered_irq registered_irq[16]; [L2615] short number_tasklet_registered = 0; [L2622] struct ddv_tasklet tasklet_registered[1]; [L2632] short number_timer_registered = 0; [L2638] struct ddv_timer timer_registered[1]; [L2648] struct work_struct *shared_workqueue[10]; [L2658] spinlock_t kernel_lock; [L3344] request_queue_t fixed_request_queue[10]; [L3346] int number_request_queue_used = 0; [L3430] struct proc_dir_entry *proc_root_driver; [L3740] struct ddv_tty_driver global_tty_driver; [L3919] int ddv_ioport_request_start; [L3920] int ddv_ioport_request_len; [L1848] _ddv_module_init = zf_init [L1849] _ddv_module_exit = zf_exit [L1850] CALL call_ddv() [L2722] int err; [L2724] current_execution_context = 1 [L2726] CALL init_kernel() [L2662] int i; [L2664] CALL spin_lock_init(&kernel_lock) [L4151] lock->init = 1 [L4152] lock->locked = 0 [L2664] RET spin_lock_init(&kernel_lock) [L2666] i = 0 [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND TRUE i < 10 [L2667] shared_workqueue[i] = ((void *)0) [L2666] i++ [L2666] COND FALSE !(i < 10) [L2670] i = 0 [L2670] COND TRUE i < 1 [L2671] tasklet_registered[i].tasklet = ((void *)0) [L2672] tasklet_registered[i].is_running = 0 [L2670] i++ [L2670] COND FALSE !(i < 1) [L2726] RET init_kernel() [L2728] CALL (* _ddv_module_init)() [L1774] int ret; [L1776] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") [L4478] return 0; [L1776] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") [L1778] CALL zf_readw(0x02) [L1467] CALL outb(port, 0x218) [L3956] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L10] COND TRUE !expression [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 196 procedures, 1092 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 195.4s, OverallIterations: 12, TraceHistogramMax: 10, AutomataDifference: 152.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5459 SDtfs, 3186 SDslu, 14341 SDs, 0 SdLazy, 16392 SolverSat, 1568 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 139.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=684occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 713 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 40.5s InterpolantComputationTime, 562 NumberOfCodeBlocks, 562 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 493 ConstructedInterpolants, 0 QuantifiedInterpolants, 224697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 9/294 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...