/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/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=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:24:14,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:24:14,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:24:14,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:24:14,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:24:14,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:24:14,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:24:14,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:24:14,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:24:14,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:24:14,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:24:14,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:24:14,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:24:14,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:24:14,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:24:14,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:24:14,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:24:14,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:24:14,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:24:14,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:24:14,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:24:14,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:24:14,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:24:14,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:24:14,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:24:14,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:24:14,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:24:14,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:24:14,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:24:14,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:24:14,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:24:14,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:24:14,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:24:14,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:24:14,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:24:14,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:24:14,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:24:14,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:24:14,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:24:14,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:24:14,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:24:14,649 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 [2020-10-28 15:24:14,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:24:14,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:24:14,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:24:14,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:24:14,711 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:24:14,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:24:14,711 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:24:14,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:24:14,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:24:14,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:24:14,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:24:14,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:24:14,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:24:14,714 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:24:14,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:24:14,714 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:24:14,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:24:14,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:24:14,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:24:14,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:24:14,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:24:14,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:24:14,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:24:14,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:24:14,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:24:14,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:24:14,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:24:14,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:24:14,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:24:14,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:24:15,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:24:15,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:24:15,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:24:15,186 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:24:15,189 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:24:15,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-28 15:24:15,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39cb265fc/e06b1b8eb94c4fe583ad7124ec94f68a/FLAGd3e2ae4d2 [2020-10-28 15:24:16,020 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:24:16,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-28 15:24:16,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39cb265fc/e06b1b8eb94c4fe583ad7124ec94f68a/FLAGd3e2ae4d2 [2020-10-28 15:24:16,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39cb265fc/e06b1b8eb94c4fe583ad7124ec94f68a [2020-10-28 15:24:16,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:24:16,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:24:16,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:24:16,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:24:16,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:24:16,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3387b0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16, skipping insertion in model container [2020-10-28 15:24:16,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:24:16,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:24:16,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:24:16,735 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:24:16,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:24:16,863 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:24:16,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16 WrapperNode [2020-10-28 15:24:16,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:24:16,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:24:16,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:24:16,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:24:16,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (1/1) ... [2020-10-28 15:24:16,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:24:16,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:24:16,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:24:16,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:24:16,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (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 [2020-10-28 15:24:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:24:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:24:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:24:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-28 15:24:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-28 15:24:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-28 15:24:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:24:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-28 15:24:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-28 15:24:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-28 15:24:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-28 15:24:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-28 15:24:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-28 15:24:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-28 15:24:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:24:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:24:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:24:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:24:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 15:24:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:24:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 15:24:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-28 15:24:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-28 15:24:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-28 15:24:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-28 15:24:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-28 15:24:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-28 15:24:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-28 15:24:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-28 15:24:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-28 15:24:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:24:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-28 15:24:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:24:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:24:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:24:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:24:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:24:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:24:17,360 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:17,492 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-28 15:24:17,492 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-28 15:24:17,494 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:17,547 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-10-28 15:24:17,547 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-10-28 15:24:17,588 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:17,615 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-28 15:24:17,615 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-28 15:24:17,638 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:24:17,837 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-28 15:24:17,838 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-28 15:24:17,868 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:24:17,869 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 15:24:17,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:24:17 BoogieIcfgContainer [2020-10-28 15:24:17,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:24:17,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:24:17,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:24:17,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:24:17,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:24:16" (1/3) ... [2020-10-28 15:24:17,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e24657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:24:17, skipping insertion in model container [2020-10-28 15:24:17,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:24:16" (2/3) ... [2020-10-28 15:24:17,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e24657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:24:17, skipping insertion in model container [2020-10-28 15:24:17,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:24:17" (3/3) ... [2020-10-28 15:24:17,885 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-10-28 15:24:17,900 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:24:17,906 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 15:24:17,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 15:24:17,991 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:24:17,991 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:24:17,992 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:24:17,992 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:24:17,992 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:24:17,992 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:24:17,993 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:24:17,993 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:24:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-10-28 15:24:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-28 15:24:18,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:18,035 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] [2020-10-28 15:24:18,036 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:18,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:18,044 INFO L82 PathProgramCache]: Analyzing trace with hash -287519802, now seen corresponding path program 1 times [2020-10-28 15:24:18,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:18,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715707279] [2020-10-28 15:24:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:18,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:18,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:18,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:18,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:18,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:18,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:19,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:19,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:24:19,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:24:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1138 [2020-10-28 15:24:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:19,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:24:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:24:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:24:19,596 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-28 15:24:19,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:19,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:19,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:19,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:19,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 15:24:19,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:19,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:19,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:19,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:19,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:19,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:19,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:19,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:24:19,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:19,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:19,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:19,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715707279] [2020-10-28 15:24:19,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:19,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 15:24:19,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082866834] [2020-10-28 15:24:19,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 15:24:19,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:19,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 15:24:19,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 15:24:19,826 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 5 states. [2020-10-28 15:24:20,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:20,663 INFO L93 Difference]: Finished difference Result 262 states and 385 transitions. [2020-10-28 15:24:20,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 15:24:20,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-28 15:24:20,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:20,679 INFO L225 Difference]: With dead ends: 262 [2020-10-28 15:24:20,679 INFO L226 Difference]: Without dead ends: 137 [2020-10-28 15:24:20,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:20,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-28 15:24:20,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 120. [2020-10-28 15:24:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-28 15:24:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 163 transitions. [2020-10-28 15:24:20,755 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 163 transitions. Word has length 21 [2020-10-28 15:24:20,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:20,755 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 163 transitions. [2020-10-28 15:24:20,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 15:24:20,756 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2020-10-28 15:24:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-28 15:24:20,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:20,757 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] [2020-10-28 15:24:20,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:24:20,758 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:20,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:20,759 INFO L82 PathProgramCache]: Analyzing trace with hash 862961909, now seen corresponding path program 1 times [2020-10-28 15:24:20,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:20,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869029504] [2020-10-28 15:24:20,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:20,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:21,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:21,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 15:24:21,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:24:21,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-10-28 15:24:21,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:21,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:21,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 15:24:21,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:24:21,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:21,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:21,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:21,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:21,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:21,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:21,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:24:21,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:21,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:21,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:21,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:21,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:21,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:21,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 15:24:21,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:21,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:21,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:21,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:21,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:21,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:21,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:21,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:21,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:21,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:21,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:21,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:21,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:21,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:21,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869029504] [2020-10-28 15:24:21,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:21,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 15:24:21,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829417512] [2020-10-28 15:24:21,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 15:24:21,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:21,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 15:24:21,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:21,828 INFO L87 Difference]: Start difference. First operand 120 states and 163 transitions. Second operand 6 states. [2020-10-28 15:24:22,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:22,429 INFO L93 Difference]: Finished difference Result 240 states and 331 transitions. [2020-10-28 15:24:22,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 15:24:22,430 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-28 15:24:22,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:22,433 INFO L225 Difference]: With dead ends: 240 [2020-10-28 15:24:22,433 INFO L226 Difference]: Without dead ends: 137 [2020-10-28 15:24:22,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:22,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-28 15:24:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 120. [2020-10-28 15:24:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-28 15:24:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 162 transitions. [2020-10-28 15:24:22,464 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 162 transitions. Word has length 27 [2020-10-28 15:24:22,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:22,464 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 162 transitions. [2020-10-28 15:24:22,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 15:24:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 162 transitions. [2020-10-28 15:24:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-28 15:24:22,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:22,466 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] [2020-10-28 15:24:22,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:24:22,466 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:22,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:22,467 INFO L82 PathProgramCache]: Analyzing trace with hash 161897331, now seen corresponding path program 1 times [2020-10-28 15:24:22,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:22,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401727563] [2020-10-28 15:24:22,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:22,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:22,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:22,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 15:24:22,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:22,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-28 15:24:22,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:22,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 15:24:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:24:22,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:22,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:22,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:22,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:22,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:22,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:22,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:22,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:22,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:22,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:22,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:22,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:22,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:22,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:22,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:22,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:22,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:22,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:22,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:22,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:22,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:22,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:22,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:22,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:24:22,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:22,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:22,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:22,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401727563] [2020-10-28 15:24:22,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:22,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 15:24:22,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794014197] [2020-10-28 15:24:22,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 15:24:22,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:22,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 15:24:22,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:22,872 INFO L87 Difference]: Start difference. First operand 120 states and 162 transitions. Second operand 6 states. [2020-10-28 15:24:23,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:23,663 INFO L93 Difference]: Finished difference Result 220 states and 293 transitions. [2020-10-28 15:24:23,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 15:24:23,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-28 15:24:23,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:23,667 INFO L225 Difference]: With dead ends: 220 [2020-10-28 15:24:23,667 INFO L226 Difference]: Without dead ends: 162 [2020-10-28 15:24:23,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:24:23,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-28 15:24:23,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2020-10-28 15:24:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-28 15:24:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 200 transitions. [2020-10-28 15:24:23,700 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 200 transitions. Word has length 27 [2020-10-28 15:24:23,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:23,701 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 200 transitions. [2020-10-28 15:24:23,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 15:24:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 200 transitions. [2020-10-28 15:24:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-28 15:24:23,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:23,702 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] [2020-10-28 15:24:23,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:24:23,702 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:23,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:23,703 INFO L82 PathProgramCache]: Analyzing trace with hash 723741620, now seen corresponding path program 1 times [2020-10-28 15:24:23,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:23,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056775114] [2020-10-28 15:24:23,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:23,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:23,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:23,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 15:24:23,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-28 15:24:23,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:23,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 15:24:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:24:23,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:24,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:24,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:24,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:24,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:24,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:24,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:24,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:24,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:24,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:24,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:24,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:24,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:24,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:24,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:24,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:24,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:24,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:24,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:24,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:24,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:24,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:24,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:24,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:24,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:24,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:24,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:24:24,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:24,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:24,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:24,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:24,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:24,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:24,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056775114] [2020-10-28 15:24:24,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:24,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 15:24:24,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137548460] [2020-10-28 15:24:24,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 15:24:24,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:24,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 15:24:24,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:24,104 INFO L87 Difference]: Start difference. First operand 156 states and 200 transitions. Second operand 6 states. [2020-10-28 15:24:24,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:24,626 INFO L93 Difference]: Finished difference Result 209 states and 261 transitions. [2020-10-28 15:24:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 15:24:24,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-28 15:24:24,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:24,628 INFO L225 Difference]: With dead ends: 209 [2020-10-28 15:24:24,628 INFO L226 Difference]: Without dead ends: 173 [2020-10-28 15:24:24,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:24:24,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-28 15:24:24,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 142. [2020-10-28 15:24:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-28 15:24:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 182 transitions. [2020-10-28 15:24:24,679 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 182 transitions. Word has length 28 [2020-10-28 15:24:24,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:24,680 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 182 transitions. [2020-10-28 15:24:24,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 15:24:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 182 transitions. [2020-10-28 15:24:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-28 15:24:24,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:24,689 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] [2020-10-28 15:24:24,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:24:24,689 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:24,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:24,690 INFO L82 PathProgramCache]: Analyzing trace with hash -301257207, now seen corresponding path program 1 times [2020-10-28 15:24:24,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:24,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001075291] [2020-10-28 15:24:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:24,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:24,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:24,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 15:24:24,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:24,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-28 15:24:24,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:24,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 15:24:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:24:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:25,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:25,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:25,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:24:25,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:25,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:25,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:25,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:25,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:25,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:25,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:25,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:25,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:25,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:25,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:25,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:25,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:25,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:25,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:25,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:25,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:25,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:25,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:25,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:25,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:25,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:25,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:25,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001075291] [2020-10-28 15:24:25,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:25,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 15:24:25,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266523182] [2020-10-28 15:24:25,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 15:24:25,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:25,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 15:24:25,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 15:24:25,183 INFO L87 Difference]: Start difference. First operand 142 states and 182 transitions. Second operand 6 states. [2020-10-28 15:24:25,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:25,805 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2020-10-28 15:24:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 15:24:25,806 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-10-28 15:24:25,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:25,807 INFO L225 Difference]: With dead ends: 147 [2020-10-28 15:24:25,807 INFO L226 Difference]: Without dead ends: 101 [2020-10-28 15:24:25,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:24:25,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-28 15:24:25,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-28 15:24:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-28 15:24:25,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-10-28 15:24:25,839 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 38 [2020-10-28 15:24:25,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:25,841 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-10-28 15:24:25,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 15:24:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-10-28 15:24:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-28 15:24:25,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:25,844 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, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:25,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 15:24:25,845 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:25,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:25,845 INFO L82 PathProgramCache]: Analyzing trace with hash -905173741, now seen corresponding path program 1 times [2020-10-28 15:24:25,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:25,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411550640] [2020-10-28 15:24:25,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:25,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:26,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:26,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 15:24:26,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:26,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 645 [2020-10-28 15:24:26,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:26,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 15:24:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:24:26,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:26,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:26,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:26,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:26,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:26,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:26,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:26,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:26,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:26,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:26,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:26,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:26,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:26,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:26,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:26,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:26,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:26,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:26,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:26,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:26,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:26,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:26,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:26,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:26,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:26,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:26,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:26,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:26,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:26,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:24:26,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:26,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:24:26,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:26,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 15:24:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:24:26,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:26,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411550640] [2020-10-28 15:24:26,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:26,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:24:26,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372433040] [2020-10-28 15:24:26,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:24:26,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:26,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:24:26,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:24:26,769 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2020-10-28 15:24:27,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:27,360 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2020-10-28 15:24:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:27,361 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2020-10-28 15:24:27,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:27,362 INFO L225 Difference]: With dead ends: 130 [2020-10-28 15:24:27,362 INFO L226 Difference]: Without dead ends: 94 [2020-10-28 15:24:27,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-28 15:24:27,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-10-28 15:24:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-28 15:24:27,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2020-10-28 15:24:27,386 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 46 [2020-10-28 15:24:27,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:27,388 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2020-10-28 15:24:27,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:24:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2020-10-28 15:24:27,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 15:24:27,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:27,391 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:27,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 15:24:27,391 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:27,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:27,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1403671779, now seen corresponding path program 1 times [2020-10-28 15:24:27,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:27,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169624652] [2020-10-28 15:24:27,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:27,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:27,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:27,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-28 15:24:27,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:27,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 15:24:27,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:27,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:24:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:24:27,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:27,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:27,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:27,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:27,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:27,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:27,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:27,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:27,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:27,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:27,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:27,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:27,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:27,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:27,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:27,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:27,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:27,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:27,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:27,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:27,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:27,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:27,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:27,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:27,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:27,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:27,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:27,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:27,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:27,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:27,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 15:24:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:27,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:27,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:27,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:27,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:27,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:27,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:27,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:27,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:27,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:27,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:27,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:27,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:27,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:27,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:27,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:27,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 15:24:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:27,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:27,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:27,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:27,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:27,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:27,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:27,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:27,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169624652] [2020-10-28 15:24:27,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:27,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:24:27,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647236313] [2020-10-28 15:24:27,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:24:27,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:27,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:24:27,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:24:27,808 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 8 states. [2020-10-28 15:24:28,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:28,206 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2020-10-28 15:24:28,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:28,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-10-28 15:24:28,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:28,208 INFO L225 Difference]: With dead ends: 123 [2020-10-28 15:24:28,208 INFO L226 Difference]: Without dead ends: 92 [2020-10-28 15:24:28,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:28,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-28 15:24:28,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-28 15:24:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-28 15:24:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 103 transitions. [2020-10-28 15:24:28,223 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 103 transitions. Word has length 52 [2020-10-28 15:24:28,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:28,224 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 103 transitions. [2020-10-28 15:24:28,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:24:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2020-10-28 15:24:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 15:24:28,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:28,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:28,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 15:24:28,225 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:28,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:28,226 INFO L82 PathProgramCache]: Analyzing trace with hash 827842256, now seen corresponding path program 1 times [2020-10-28 15:24:28,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:28,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281347967] [2020-10-28 15:24:28,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:28,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:28,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:28,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:28,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 15:24:28,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:28,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 716 [2020-10-28 15:24:28,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:28,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:24:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:24:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 15:24:28,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:29,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:24:29,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:29,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:24:29,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:29,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:29,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:29,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:29,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:24:29,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 15:24:29,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:24:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 15:24:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 15:24:29,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:29,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:29,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:29,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:29,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:29,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:29,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:29,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:29,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:29,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:29,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:29,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:29,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281347967] [2020-10-28 15:24:29,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:29,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:24:29,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468479328] [2020-10-28 15:24:29,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:24:29,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:29,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:24:29,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:29,320 INFO L87 Difference]: Start difference. First operand 92 states and 103 transitions. Second operand 11 states. [2020-10-28 15:24:29,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:29,799 INFO L93 Difference]: Finished difference Result 121 states and 137 transitions. [2020-10-28 15:24:29,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 15:24:29,800 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 60 [2020-10-28 15:24:29,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:29,801 INFO L225 Difference]: With dead ends: 121 [2020-10-28 15:24:29,801 INFO L226 Difference]: Without dead ends: 92 [2020-10-28 15:24:29,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-10-28 15:24:29,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-28 15:24:29,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-28 15:24:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-28 15:24:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2020-10-28 15:24:29,818 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 60 [2020-10-28 15:24:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:29,818 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2020-10-28 15:24:29,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:24:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2020-10-28 15:24:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-28 15:24:29,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:29,819 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:29,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 15:24:29,820 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:29,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:29,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1379290517, now seen corresponding path program 1 times [2020-10-28 15:24:29,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:29,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932580149] [2020-10-28 15:24:29,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:29,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:29,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 15:24:30,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:24:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-28 15:24:30,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 15:24:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:24:30,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:30,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:30,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:30,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:30,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 15:24:30,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 15:24:30,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 15:24:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:24:30,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:30,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:30,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:30,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:30,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:30,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:30,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:30,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:30,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:30,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:30,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:30,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932580149] [2020-10-28 15:24:30,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:30,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:24:30,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106923982] [2020-10-28 15:24:30,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:24:30,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:30,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:24:30,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:30,818 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand 9 states. [2020-10-28 15:24:31,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:31,085 INFO L93 Difference]: Finished difference Result 127 states and 143 transitions. [2020-10-28 15:24:31,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 15:24:31,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-28 15:24:31,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:31,087 INFO L225 Difference]: With dead ends: 127 [2020-10-28 15:24:31,087 INFO L226 Difference]: Without dead ends: 98 [2020-10-28 15:24:31,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:31,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-28 15:24:31,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2020-10-28 15:24:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-28 15:24:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2020-10-28 15:24:31,105 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 62 [2020-10-28 15:24:31,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:31,106 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2020-10-28 15:24:31,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:24:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2020-10-28 15:24:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-28 15:24:31,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:31,107 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:31,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 15:24:31,107 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:31,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:31,108 INFO L82 PathProgramCache]: Analyzing trace with hash -233728390, now seen corresponding path program 1 times [2020-10-28 15:24:31,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:31,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682054288] [2020-10-28 15:24:31,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:31,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:31,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:31,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:31,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:32,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 15:24:32,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:24:32,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 987 [2020-10-28 15:24:32,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:32,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:32,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:32,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 15:24:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 15:24:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:32,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:32,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:32,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:32,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:32,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:24:32,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:32,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:32,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:32,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:32,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:32,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:32,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:32,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:32,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:32,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:32,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:32,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:32,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:32,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:32,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:32,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:32,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:32,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:24:32,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:32,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:32,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:32,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:32,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:32,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 15:24:32,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:32,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:24:32,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:32,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:32,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:32,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:32,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:32,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:32,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:32,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:32,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:32,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:32,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:32,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:32,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:32,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:32,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:32,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:32,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:32,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:32,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:32,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:32,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:32,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:32,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:32,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:32,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:32,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:32,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:32,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682054288] [2020-10-28 15:24:32,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:32,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:24:32,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336173057] [2020-10-28 15:24:32,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:24:32,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:32,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:24:32,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:32,399 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand 9 states. [2020-10-28 15:24:32,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:32,675 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2020-10-28 15:24:32,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:32,676 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-28 15:24:32,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:32,677 INFO L225 Difference]: With dead ends: 113 [2020-10-28 15:24:32,677 INFO L226 Difference]: Without dead ends: 107 [2020-10-28 15:24:32,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:24:32,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-28 15:24:32,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 97. [2020-10-28 15:24:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-28 15:24:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2020-10-28 15:24:32,695 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 62 [2020-10-28 15:24:32,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:32,696 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2020-10-28 15:24:32,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:24:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2020-10-28 15:24:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 15:24:32,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:32,697 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:32,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 15:24:32,697 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:32,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:32,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1728140248, now seen corresponding path program 1 times [2020-10-28 15:24:32,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:32,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679880760] [2020-10-28 15:24:32,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:32,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:32,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:33,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 15:24:35,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:24:35,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2327 [2020-10-28 15:24:35,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:24:35,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:24:35,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 15:24:35,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:35,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:35,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:35,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:24:35,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:35,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:35,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:35,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:35,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:35,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:24:35,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:35,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:35,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:35,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:35,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:35,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:35,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:35,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:35,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:35,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:35,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 15:24:35,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:24:35,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:24:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 15:24:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:35,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:35,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:35,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:35,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:35,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:35,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:35,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:35,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:35,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:35,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:35,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:35,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:35,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:35,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:35,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:35,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:35,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679880760] [2020-10-28 15:24:35,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:35,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:24:35,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370911090] [2020-10-28 15:24:35,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:24:35,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:35,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:24:35,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:35,429 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand 11 states. [2020-10-28 15:24:35,747 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-28 15:24:36,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:36,331 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2020-10-28 15:24:36,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 15:24:36,331 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-10-28 15:24:36,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:36,332 INFO L225 Difference]: With dead ends: 111 [2020-10-28 15:24:36,332 INFO L226 Difference]: Without dead ends: 92 [2020-10-28 15:24:36,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-10-28 15:24:36,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-28 15:24:36,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 82. [2020-10-28 15:24:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-28 15:24:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2020-10-28 15:24:36,350 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 63 [2020-10-28 15:24:36,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:36,351 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2020-10-28 15:24:36,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:24:36,351 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2020-10-28 15:24:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 15:24:36,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:36,352 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:36,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 15:24:36,352 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:36,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:36,353 INFO L82 PathProgramCache]: Analyzing trace with hash -51882553, now seen corresponding path program 1 times [2020-10-28 15:24:36,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:36,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733817101] [2020-10-28 15:24:36,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:36,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 15:24:36,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:24:36,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-28 15:24:36,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:36,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 15:24:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:24:36,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:36,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:36,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:36,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:36,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:36,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:36,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:36,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:36,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:36,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:37,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:37,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:37,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:37,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:37,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:37,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:37,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:37,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:37,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:37,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:37,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:37,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:24:37,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:37,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:37,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:37,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:37,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 15:24:37,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:37,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 15:24:37,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:37,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 15:24:37,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:24:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:37,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:37,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:37,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:37,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:37,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:37,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:37,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:37,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:37,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:37,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:37,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:37,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:37,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:37,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:37,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:37,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:37,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:37,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:37,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:37,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:37,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:37,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:37,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:37,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:37,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:37,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:37,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733817101] [2020-10-28 15:24:37,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:37,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:24:37,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456632063] [2020-10-28 15:24:37,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:24:37,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:37,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:24:37,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:37,182 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand 9 states. [2020-10-28 15:24:37,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:37,437 INFO L93 Difference]: Finished difference Result 116 states and 128 transitions. [2020-10-28 15:24:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 15:24:37,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-28 15:24:37,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:37,439 INFO L225 Difference]: With dead ends: 116 [2020-10-28 15:24:37,439 INFO L226 Difference]: Without dead ends: 81 [2020-10-28 15:24:37,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:37,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-28 15:24:37,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-28 15:24:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-28 15:24:37,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2020-10-28 15:24:37,456 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 63 [2020-10-28 15:24:37,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:37,456 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2020-10-28 15:24:37,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:24:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2020-10-28 15:24:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 15:24:37,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:37,457 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:37,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 15:24:37,458 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:37,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:37,458 INFO L82 PathProgramCache]: Analyzing trace with hash 660592135, now seen corresponding path program 1 times [2020-10-28 15:24:37,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:37,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767058005] [2020-10-28 15:24:37,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:37,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:37,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:38,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 15:24:38,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:24:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1136 [2020-10-28 15:24:38,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:38,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:24:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 15:24:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:24:38,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:38,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:38,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:38,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:38,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:24:38,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:38,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:38,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:38,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:38,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:38,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:38,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:24:38,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:38,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:38,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:38,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:38,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:38,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:38,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:38,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:38,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:38,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:38,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:38,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 15:24:38,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 15:24:38,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:38,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:38,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 15:24:38,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:38,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:38,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:38,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:38,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:38,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:38,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:38,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:38,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:38,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:38,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:38,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:38,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:38,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:38,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:38,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:38,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:38,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:38,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:38,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:39,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767058005] [2020-10-28 15:24:39,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:39,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:24:39,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599585245] [2020-10-28 15:24:39,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:24:39,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:39,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:24:39,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:24:39,014 INFO L87 Difference]: Start difference. First operand 81 states and 87 transitions. Second operand 12 states. [2020-10-28 15:24:39,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:39,420 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2020-10-28 15:24:39,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:24:39,420 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-10-28 15:24:39,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:39,422 INFO L225 Difference]: With dead ends: 89 [2020-10-28 15:24:39,422 INFO L226 Difference]: Without dead ends: 81 [2020-10-28 15:24:39,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:24:39,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-28 15:24:39,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-28 15:24:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-28 15:24:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2020-10-28 15:24:39,447 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 63 [2020-10-28 15:24:39,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:39,447 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2020-10-28 15:24:39,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:24:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2020-10-28 15:24:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 15:24:39,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:39,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:39,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 15:24:39,453 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:39,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1115430964, now seen corresponding path program 1 times [2020-10-28 15:24:39,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:39,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272518233] [2020-10-28 15:24:39,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:39,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:40,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:40,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 15:24:40,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:24:40,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1188 [2020-10-28 15:24:40,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:40,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 15:24:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 15:24:40,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:40,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:40,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:40,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:40,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:40,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:24:40,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:40,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:40,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:40,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:40,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:40,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:40,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:40,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:40,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:40,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:40,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:40,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:40,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:40,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:40,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:40,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:40,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:40,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:40,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:40,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:40,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:40,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:40,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:40,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:40,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 15:24:40,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:40,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 15:24:40,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:40,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 15:24:40,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:40,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:40,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:40,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:40,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:24:40,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:40,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:40,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:40,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:40,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:40,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:40,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:40,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:40,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:40,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:40,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:40,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:40,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:40,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:40,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272518233] [2020-10-28 15:24:40,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:40,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:24:40,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343096801] [2020-10-28 15:24:40,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:24:40,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:40,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:24:40,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:40,979 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand 9 states. [2020-10-28 15:24:41,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:41,381 INFO L93 Difference]: Finished difference Result 154 states and 162 transitions. [2020-10-28 15:24:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 15:24:41,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-28 15:24:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:41,383 INFO L225 Difference]: With dead ends: 154 [2020-10-28 15:24:41,383 INFO L226 Difference]: Without dead ends: 146 [2020-10-28 15:24:41,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:24:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-28 15:24:41,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 141. [2020-10-28 15:24:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-28 15:24:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2020-10-28 15:24:41,413 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 64 [2020-10-28 15:24:41,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:41,414 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2020-10-28 15:24:41,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:24:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2020-10-28 15:24:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 15:24:41,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:41,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:41,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 15:24:41,416 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:41,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:41,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1924777590, now seen corresponding path program 1 times [2020-10-28 15:24:41,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:41,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188311864] [2020-10-28 15:24:41,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:41,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:41,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:41,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:41,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 15:24:41,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:41,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-28 15:24:41,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:41,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:24:41,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 15:24:41,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:24:41,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:24:42,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:42,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 15:24:42,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 15:24:42,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 15:24:42,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:42,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:42,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:42,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:42,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:42,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:42,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188311864] [2020-10-28 15:24:42,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:42,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:24:42,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997855096] [2020-10-28 15:24:42,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:24:42,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:42,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:24:42,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:24:42,341 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand 12 states. [2020-10-28 15:24:42,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:42,696 INFO L93 Difference]: Finished difference Result 153 states and 162 transitions. [2020-10-28 15:24:42,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 15:24:42,696 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-10-28 15:24:42,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:42,698 INFO L225 Difference]: With dead ends: 153 [2020-10-28 15:24:42,698 INFO L226 Difference]: Without dead ends: 141 [2020-10-28 15:24:42,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:24:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-28 15:24:42,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-10-28 15:24:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-28 15:24:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2020-10-28 15:24:42,738 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 64 [2020-10-28 15:24:42,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:42,738 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2020-10-28 15:24:42,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:24:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2020-10-28 15:24:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 15:24:42,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:42,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:42,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 15:24:42,740 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:42,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:42,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1636423798, now seen corresponding path program 1 times [2020-10-28 15:24:42,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:42,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946440836] [2020-10-28 15:24:42,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:42,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:42,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:42,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 15:24:42,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:42,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-28 15:24:42,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:42,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 15:24:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 15:24:42,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:43,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:43,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:43,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:43,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 15:24:43,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:43,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:43,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:43,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:43,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:43,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:43,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:43,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:43,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:24:43,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:43,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:43,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:43,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:43,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:43,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:43,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:43,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 15:24:43,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:43,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 15:24:43,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:43,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 15:24:43,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:43,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:43,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:43,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:24:43,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:43,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:24:43,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:43,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:43,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:43,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:43,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:43,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:43,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:43,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:43,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:43,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:43,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:24:43,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:43,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:43,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:43,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:43,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:43,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:24:43,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:43,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946440836] [2020-10-28 15:24:43,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:43,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:24:43,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189961691] [2020-10-28 15:24:43,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:24:43,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:43,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:24:43,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:24:43,274 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 9 states. [2020-10-28 15:24:43,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:43,566 INFO L93 Difference]: Finished difference Result 167 states and 176 transitions. [2020-10-28 15:24:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:43,566 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-28 15:24:43,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:43,568 INFO L225 Difference]: With dead ends: 167 [2020-10-28 15:24:43,568 INFO L226 Difference]: Without dead ends: 134 [2020-10-28 15:24:43,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:24:43,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-28 15:24:43,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-28 15:24:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-28 15:24:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 137 transitions. [2020-10-28 15:24:43,592 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 137 transitions. Word has length 64 [2020-10-28 15:24:43,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:43,592 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 137 transitions. [2020-10-28 15:24:43,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:24:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 137 transitions. [2020-10-28 15:24:43,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-28 15:24:43,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:24:43,595 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:24:43,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 15:24:43,596 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:24:43,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:24:43,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1756072874, now seen corresponding path program 1 times [2020-10-28 15:24:43,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:24:43,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056188321] [2020-10-28 15:24:43,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:24:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:43,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:43,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 15:24:43,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:43,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-28 15:24:43,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:43,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-28 15:24:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:24:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:24:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:24:44,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:24:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:24:44,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:24:44,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:24:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 15:24:44,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:24:44,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 15:24:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 15:24:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 15:24:44,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:24:44,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:24:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:44,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:44,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:24:44,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:24:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:24:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:24:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:44,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:44,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:44,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:24:44,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:24:44,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 15:24:44,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:44,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:44,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:24:44,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 15:24:44,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:24:44,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:44,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056188321] [2020-10-28 15:24:44,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:44,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:24:44,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698744449] [2020-10-28 15:24:44,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:24:44,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:44,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:24:44,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:24:44,311 INFO L87 Difference]: Start difference. First operand 134 states and 137 transitions. Second operand 11 states. [2020-10-28 15:24:44,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:24:44,549 INFO L93 Difference]: Finished difference Result 134 states and 137 transitions. [2020-10-28 15:24:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:24:44,550 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 75 [2020-10-28 15:24:44,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:24:44,550 INFO L225 Difference]: With dead ends: 134 [2020-10-28 15:24:44,550 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 15:24:44,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:24:44,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 15:24:44,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 15:24:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 15:24:44,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 15:24:44,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2020-10-28 15:24:44,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:24:44,552 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 15:24:44,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:24:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 15:24:44,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 15:24:44,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 15:24:44,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 15:24:45,544 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2020-10-28 15:24:45,728 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-10-28 15:24:45,912 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-10-28 15:24:46,159 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 38 [2020-10-28 15:24:46,445 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 60 [2020-10-28 15:24:46,723 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2020-10-28 15:24:47,044 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2020-10-28 15:24:47,266 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2020-10-28 15:24:47,466 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-10-28 15:24:47,681 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 25 [2020-10-28 15:24:48,005 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 38 [2020-10-28 15:24:48,199 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2020-10-28 15:24:48,359 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2020-10-28 15:24:48,626 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 36 [2020-10-28 15:24:48,884 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-28 15:24:49,008 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-10-28 15:24:49,308 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2020-10-28 15:24:49,584 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 48 [2020-10-28 15:24:49,760 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2020-10-28 15:24:49,992 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2020-10-28 15:24:50,128 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2020-10-28 15:24:50,232 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-10-28 15:24:50,443 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 36 [2020-10-28 15:24:50,719 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2020-10-28 15:24:50,776 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 15:24:50,777 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 15:24:50,777 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 15:24:50,777 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 15:24:50,777 INFO L270 CegarLoopResult]: At program point KeSetEventENTRY(lines 515 522) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-28 15:24:50,778 INFO L274 CegarLoopResult]: For program point KeSetEventFINAL(lines 515 522) no Hoare annotation was computed. [2020-10-28 15:24:50,778 INFO L274 CegarLoopResult]: For program point KeSetEventEXIT(lines 515 522) no Hoare annotation was computed. [2020-10-28 15:24:50,778 INFO L270 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 565 575) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-28 15:24:50,778 INFO L270 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (not (= ~s~0 ~NP~0))) [2020-10-28 15:24:50,778 INFO L274 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-10-28 15:24:50,778 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 565 575) no Hoare annotation was computed. [2020-10-28 15:24:50,779 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 565 575) no Hoare annotation was computed. [2020-10-28 15:24:50,779 INFO L274 CegarLoopResult]: For program point stub_driver_initEXIT(lines 37 50) no Hoare annotation was computed. [2020-10-28 15:24:50,779 INFO L270 CegarLoopResult]: At program point stub_driver_initENTRY(lines 37 50) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= |old(~pended~0)| 0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,779 INFO L274 CegarLoopResult]: For program point stub_driver_initFINAL(lines 37 50) no Hoare annotation was computed. [2020-10-28 15:24:50,779 INFO L274 CegarLoopResult]: For program point _BLAST_initFINAL(lines 51 72) no Hoare annotation was computed. [2020-10-28 15:24:50,779 INFO L270 CegarLoopResult]: At program point _BLAST_initENTRY(lines 51 72) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:24:50,779 INFO L274 CegarLoopResult]: For program point _BLAST_initEXIT(lines 51 72) no Hoare annotation was computed. [2020-10-28 15:24:50,780 INFO L277 CegarLoopResult]: At program point errorFnENTRY(lines 577 584) the Hoare annotation is: true [2020-10-28 15:24:50,780 INFO L274 CegarLoopResult]: For program point errorFnFINAL(lines 577 584) no Hoare annotation was computed. [2020-10-28 15:24:50,780 INFO L274 CegarLoopResult]: For program point errorFnEXIT(lines 577 584) no Hoare annotation was computed. [2020-10-28 15:24:50,780 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-28 15:24:50,780 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 288 422) no Hoare annotation was computed. [2020-10-28 15:24:50,780 INFO L270 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:24:50,780 INFO L274 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-10-28 15:24:50,780 INFO L270 CegarLoopResult]: At program point L384(lines 377 417) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:24:50,781 INFO L274 CegarLoopResult]: For program point L409(lines 409 411) no Hoare annotation was computed. [2020-10-28 15:24:50,781 INFO L270 CegarLoopResult]: At program point L376(lines 369 418) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:24:50,781 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 288 422) no Hoare annotation was computed. [2020-10-28 15:24:50,781 INFO L274 CegarLoopResult]: For program point L385(lines 369 418) no Hoare annotation was computed. [2020-10-28 15:24:50,781 INFO L274 CegarLoopResult]: For program point L352(lines 352 367) no Hoare annotation was computed. [2020-10-28 15:24:50,781 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 288 422) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~Executive~0)| ~Executive~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~myStatus~0 |old(~myStatus~0)|) (= ~MPR1~0 ~NP~0)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:24:50,781 INFO L274 CegarLoopResult]: For program point L386(lines 386 415) no Hoare annotation was computed. [2020-10-28 15:24:50,781 INFO L270 CegarLoopResult]: At program point L353(lines 352 367) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~MPR1~0 ~NP~0)) (<= 0 main_~status~1) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:24:50,782 INFO L274 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-10-28 15:24:50,782 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-10-28 15:24:50,782 INFO L274 CegarLoopResult]: For program point L337(lines 323 368) no Hoare annotation was computed. [2020-10-28 15:24:50,782 INFO L274 CegarLoopResult]: For program point L387(lines 387 414) no Hoare annotation was computed. [2020-10-28 15:24:50,782 INFO L270 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= 0 main_~status~1) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:24:50,782 INFO L274 CegarLoopResult]: For program point L321-1(lines 297 421) no Hoare annotation was computed. [2020-10-28 15:24:50,782 INFO L274 CegarLoopResult]: For program point L404(lines 404 412) no Hoare annotation was computed. [2020-10-28 15:24:50,782 INFO L270 CegarLoopResult]: At program point L396(lines 387 414) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:24:50,783 INFO L274 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-10-28 15:24:50,783 INFO L270 CegarLoopResult]: At program point L355(lines 354 367) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:24:50,783 INFO L274 CegarLoopResult]: For program point L405(lines 405 407) no Hoare annotation was computed. [2020-10-28 15:24:50,783 INFO L274 CegarLoopResult]: For program point L389(lines 389 391) no Hoare annotation was computed. [2020-10-28 15:24:50,783 INFO L270 CegarLoopResult]: At program point L323(lines 297 421) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0)) (<= ~pended~0 0)) [2020-10-28 15:24:50,783 INFO L274 CegarLoopResult]: For program point L340-1(lines 339 349) no Hoare annotation was computed. [2020-10-28 15:24:50,783 INFO L274 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-10-28 15:24:50,783 INFO L274 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-28 15:24:50,784 INFO L270 CegarLoopResult]: At program point L332-2(lines 332 335) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~MPR1~0 ~NP~0)) (<= 0 main_~status~1) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-28 15:24:50,784 INFO L270 CegarLoopResult]: At program point L457(lines 456 473) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:24:50,784 INFO L274 CegarLoopResult]: For program point L445(lines 445 448) no Hoare annotation was computed. [2020-10-28 15:24:50,784 INFO L274 CegarLoopResult]: For program point L445-1(lines 445 448) no Hoare annotation was computed. [2020-10-28 15:24:50,784 INFO L270 CegarLoopResult]: At program point IofCallDriverENTRY(lines 437 500) the Hoare annotation is: (let ((.cse1 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse2 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (and .cse1 .cse2 (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and .cse1 .cse2 (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:24:50,784 INFO L274 CegarLoopResult]: For program point IofCallDriverFINAL(lines 437 500) no Hoare annotation was computed. [2020-10-28 15:24:50,784 INFO L274 CegarLoopResult]: For program point L479(lines 479 496) no Hoare annotation was computed. [2020-10-28 15:24:50,785 INFO L270 CegarLoopResult]: At program point L446(line 446) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:24:50,785 INFO L274 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-10-28 15:24:50,785 INFO L270 CegarLoopResult]: At program point L471(lines 444 499) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (let ((.cse1 (= ~MPR1~0 ~s~0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (and .cse1 (<= (+ IofCallDriver_~returnVal2~0 1073741823) 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and .cse1 (= IofCallDriver_~returnVal2~0 0)) (= ~MPR1~0 ~NP~0) (and .cse1 (= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0)))) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-28 15:24:50,785 INFO L274 CegarLoopResult]: For program point IofCallDriverEXIT(lines 437 500) no Hoare annotation was computed. [2020-10-28 15:24:50,785 INFO L270 CegarLoopResult]: At program point L459(lines 458 473) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:24:50,785 INFO L274 CegarLoopResult]: For program point L488(lines 488 495) no Hoare annotation was computed. [2020-10-28 15:24:50,785 INFO L274 CegarLoopResult]: For program point L451(lines 451 474) no Hoare annotation was computed. [2020-10-28 15:24:50,785 INFO L274 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2020-10-28 15:24:50,786 INFO L270 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0) (and (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|))))) [2020-10-28 15:24:50,786 INFO L270 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-28 15:24:50,786 INFO L274 CegarLoopResult]: For program point L493-1(lines 475 497) no Hoare annotation was computed. [2020-10-28 15:24:50,786 INFO L274 CegarLoopResult]: For program point L456(lines 456 473) no Hoare annotation was computed. [2020-10-28 15:24:50,786 INFO L270 CegarLoopResult]: At program point L452(lines 451 474) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0)))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) .cse0 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)))) [2020-10-28 15:24:50,786 INFO L270 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (= ~setEventCalled~0 1)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,786 INFO L274 CegarLoopResult]: For program point L431-1(lines 423 436) no Hoare annotation was computed. [2020-10-28 15:24:50,787 INFO L270 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 423 436) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (= ~setEventCalled~0 1)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,787 INFO L274 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 423 436) no Hoare annotation was computed. [2020-10-28 15:24:50,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 15:24:50,787 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~NP~0 |old(~NP~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~s~0 |old(~s~0)|) (= |old(#valid)| |#valid|) (= ~IPC~0 |old(~IPC~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~DC~0 |old(~DC~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|) (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 15:24:50,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 15:24:50,788 INFO L270 CegarLoopResult]: At program point L543(line 543) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse3 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 .cse3) (or .cse0 (not (= |old(~setEventCalled~0)| 1)) .cse1 .cse2 (not (= ~MPR3~0 |old(~s~0)|)) .cse3))) [2020-10-28 15:24:50,788 INFO L274 CegarLoopResult]: For program point L541(lines 541 545) no Hoare annotation was computed. [2020-10-28 15:24:50,788 INFO L274 CegarLoopResult]: For program point L541-1(lines 528 547) no Hoare annotation was computed. [2020-10-28 15:24:50,788 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 523 564) no Hoare annotation was computed. [2020-10-28 15:24:50,788 INFO L274 CegarLoopResult]: For program point L529(lines 529 534) no Hoare annotation was computed. [2020-10-28 15:24:50,788 INFO L274 CegarLoopResult]: For program point L550(lines 550 562) no Hoare annotation was computed. [2020-10-28 15:24:50,788 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 523 564) no Hoare annotation was computed. [2020-10-28 15:24:50,788 INFO L270 CegarLoopResult]: At program point L536(lines 528 547) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse3 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) .cse3) (or .cse0 (not (= |old(~setEventCalled~0)| 1)) .cse1 .cse2 (not (= ~MPR3~0 |old(~s~0)|)) .cse3))) [2020-10-28 15:24:50,789 INFO L274 CegarLoopResult]: For program point L528(lines 528 547) no Hoare annotation was computed. [2020-10-28 15:24:50,789 INFO L270 CegarLoopResult]: At program point L553(lines 552 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~s~0 ~NP~0)) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= ~MPR1~0 ~NP~0))) (and (or .cse0 (not (= |old(~setEventCalled~0)| 1)) .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) .cse4) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4))) [2020-10-28 15:24:50,789 INFO L270 CegarLoopResult]: At program point L551(lines 550 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~s~0 ~NP~0)) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= ~MPR1~0 ~NP~0))) (and (or .cse0 (not (= |old(~setEventCalled~0)| 1)) .cse1 .cse2 .cse3 (not (= ~MPR3~0 |old(~s~0)|)) .cse4) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4))) [2020-10-28 15:24:50,789 INFO L270 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 523 564) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= ~pended~0 0))) (.cse3 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse4 (= |old(~customIrp~0)| ~customIrp~0)) (.cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse5 (= ~MPR1~0 ~NP~0))) (and (or .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (and .cse3 (= ~s~0 ~NP~0) .cse4) .cse5) (or .cse0 (not (= |old(~setEventCalled~0)| 1)) .cse1 (and (= ~MPR3~0 ~s~0) .cse3 .cse4) .cse2 (not (= ~MPR3~0 |old(~s~0)|)) .cse5))) [2020-10-28 15:24:50,789 INFO L270 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (not (= |old(~s~0)| ~NP~0)) (not (<= ~pended~0 0))) [2020-10-28 15:24:50,789 INFO L274 CegarLoopResult]: For program point L509-1(lines 501 514) no Hoare annotation was computed. [2020-10-28 15:24:50,790 INFO L270 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 501 514) the Hoare annotation is: (or (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|))) [2020-10-28 15:24:50,790 INFO L274 CegarLoopResult]: For program point L505(lines 505 511) no Hoare annotation was computed. [2020-10-28 15:24:50,790 INFO L274 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 501 514) no Hoare annotation was computed. [2020-10-28 15:24:50,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 15:24:50,790 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) [2020-10-28 15:24:50,790 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 15:24:50,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 15:24:50,790 INFO L274 CegarLoopResult]: For program point L192(lines 192 198) no Hoare annotation was computed. [2020-10-28 15:24:50,790 INFO L274 CegarLoopResult]: For program point L159(lines 159 265) no Hoare annotation was computed. [2020-10-28 15:24:50,791 INFO L274 CegarLoopResult]: For program point L126(lines 126 276) no Hoare annotation was computed. [2020-10-28 15:24:50,791 INFO L274 CegarLoopResult]: For program point L192-2(lines 166 261) no Hoare annotation was computed. [2020-10-28 15:24:50,791 INFO L270 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,791 INFO L274 CegarLoopResult]: For program point L242-1(line 242) no Hoare annotation was computed. [2020-10-28 15:24:50,791 INFO L274 CegarLoopResult]: For program point L176(lines 176 182) no Hoare annotation was computed. [2020-10-28 15:24:50,791 INFO L274 CegarLoopResult]: For program point L176-1(lines 171 183) no Hoare annotation was computed. [2020-10-28 15:24:50,791 INFO L274 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-10-28 15:24:50,791 INFO L274 CegarLoopResult]: For program point L135(lines 135 273) no Hoare annotation was computed. [2020-10-28 15:24:50,791 INFO L274 CegarLoopResult]: For program point L102(lines 102 284) no Hoare annotation was computed. [2020-10-28 15:24:50,792 INFO L270 CegarLoopResult]: At program point L226(lines 226 227) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,792 INFO L274 CegarLoopResult]: For program point L226-1(lines 226 227) no Hoare annotation was computed. [2020-10-28 15:24:50,792 INFO L270 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,792 INFO L274 CegarLoopResult]: For program point L251-1(lines 247 253) no Hoare annotation was computed. [2020-10-28 15:24:50,792 INFO L274 CegarLoopResult]: For program point L144(lines 144 270) no Hoare annotation was computed. [2020-10-28 15:24:50,792 INFO L274 CegarLoopResult]: For program point L111(lines 111 281) no Hoare annotation was computed. [2020-10-28 15:24:50,792 INFO L270 CegarLoopResult]: At program point L103(lines 102 284) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,793 INFO L270 CegarLoopResult]: At program point L194(lines 194 196) the Hoare annotation is: (let ((.cse1 (<= 1 ~compRegistered~0)) (.cse7 (<= (+ ~NP~0 5) ~MPR3~0))) (let ((.cse0 (not (<= ~pended~0 0))) (.cse2 (not (= |old(~compRegistered~0)| 0))) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not .cse7)) (.cse5 (and .cse7 (= ~s~0 ~NP~0) .cse1)) (.cse6 (= ~MPR1~0 ~NP~0))) (and (or .cse0 (and (= ~MPR3~0 ~s~0) (<= 259 KbFilter_PnP_~status~0) (= ~setEventCalled~0 1) .cse1 (<= 259 KbFilter_PnP_~__cil_tmp23~0) (<= KbFilter_PnP_~__cil_tmp23~0 259)) .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= (+ |old(~myStatus~0)| 1073741637) 0)) (= (+ ~myStatus~0 1073741637) 0) .cse0 .cse2 .cse3 .cse4 .cse5 .cse6)))) [2020-10-28 15:24:50,793 INFO L274 CegarLoopResult]: For program point L194-1(lines 194 196) no Hoare annotation was computed. [2020-10-28 15:24:50,793 INFO L274 CegarLoopResult]: For program point L153(lines 153 267) no Hoare annotation was computed. [2020-10-28 15:24:50,793 INFO L274 CegarLoopResult]: For program point L120(lines 120 278) no Hoare annotation was computed. [2020-10-28 15:24:50,793 INFO L270 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (or (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,793 INFO L270 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,793 INFO L274 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 75 287) no Hoare annotation was computed. [2020-10-28 15:24:50,794 INFO L270 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,794 INFO L274 CegarLoopResult]: For program point L236-1(lines 232 238) no Hoare annotation was computed. [2020-10-28 15:24:50,794 INFO L274 CegarLoopResult]: For program point L162(lines 162 264) no Hoare annotation was computed. [2020-10-28 15:24:50,794 INFO L274 CegarLoopResult]: For program point L129(lines 129 275) no Hoare annotation was computed. [2020-10-28 15:24:50,794 INFO L270 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,794 INFO L270 CegarLoopResult]: At program point L187(lines 187 188) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (= |old(~compRegistered~0)| 0))) (.cse2 (not (= ~NP~0 |old(~s~0)|))) (.cse3 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse4 (= ~MPR1~0 ~NP~0))) (and (or (not (= (+ |old(~myStatus~0)| 1073741637) 0)) (= (+ ~myStatus~0 1073741637) 0) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0))))) [2020-10-28 15:24:50,794 INFO L274 CegarLoopResult]: For program point L220-1(lines 216 222) no Hoare annotation was computed. [2020-10-28 15:24:50,794 INFO L274 CegarLoopResult]: For program point L187-1(lines 187 188) no Hoare annotation was computed. [2020-10-28 15:24:50,795 INFO L270 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 75 287) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,795 INFO L274 CegarLoopResult]: For program point L171(lines 171 183) no Hoare annotation was computed. [2020-10-28 15:24:50,795 INFO L274 CegarLoopResult]: For program point L138(lines 138 272) no Hoare annotation was computed. [2020-10-28 15:24:50,795 INFO L274 CegarLoopResult]: For program point L105(lines 105 283) no Hoare annotation was computed. [2020-10-28 15:24:50,795 INFO L274 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 75 287) no Hoare annotation was computed. [2020-10-28 15:24:50,795 INFO L277 CegarLoopResult]: At program point L262(lines 166 263) the Hoare annotation is: true [2020-10-28 15:24:50,795 INFO L274 CegarLoopResult]: For program point L147(lines 147 269) no Hoare annotation was computed. [2020-10-28 15:24:50,795 INFO L274 CegarLoopResult]: For program point L114(lines 114 280) no Hoare annotation was computed. [2020-10-28 15:24:50,796 INFO L270 CegarLoopResult]: At program point L106(lines 105 283) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,796 INFO L274 CegarLoopResult]: For program point L156(lines 156 266) no Hoare annotation was computed. [2020-10-28 15:24:50,796 INFO L274 CegarLoopResult]: For program point L123(lines 123 277) no Hoare annotation was computed. [2020-10-28 15:24:50,796 INFO L270 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,796 INFO L270 CegarLoopResult]: At program point L165(lines 111 281) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,796 INFO L274 CegarLoopResult]: For program point L132(lines 132 274) no Hoare annotation was computed. [2020-10-28 15:24:50,796 INFO L274 CegarLoopResult]: For program point L141(lines 141 271) no Hoare annotation was computed. [2020-10-28 15:24:50,796 INFO L274 CegarLoopResult]: For program point L108(lines 108 282) no Hoare annotation was computed. [2020-10-28 15:24:50,797 INFO L274 CegarLoopResult]: For program point L232(lines 232 238) no Hoare annotation was computed. [2020-10-28 15:24:50,797 INFO L270 CegarLoopResult]: At program point L257(lines 257 258) the Hoare annotation is: (or (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,797 INFO L274 CegarLoopResult]: For program point L257-1(lines 257 258) no Hoare annotation was computed. [2020-10-28 15:24:50,797 INFO L274 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-10-28 15:24:50,797 INFO L274 CegarLoopResult]: For program point L150(lines 150 268) no Hoare annotation was computed. [2020-10-28 15:24:50,797 INFO L274 CegarLoopResult]: For program point L117(lines 117 279) no Hoare annotation was computed. [2020-10-28 15:24:50,797 INFO L270 CegarLoopResult]: At program point L109(lines 108 282) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (= ~MPR1~0 ~NP~0)) [2020-10-28 15:24:50,797 INFO L274 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-10-28 15:24:50,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 03:24:50 BoogieIcfgContainer [2020-10-28 15:24:50,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 15:24:50,865 INFO L168 Benchmark]: Toolchain (without parser) took 34495.05 ms. Allocated memory was 153.1 MB in the beginning and 602.9 MB in the end (delta: 449.8 MB). Free memory was 127.9 MB in the beginning and 517.0 MB in the end (delta: -389.1 MB). Peak memory consumption was 358.7 MB. Max. memory is 8.0 GB. [2020-10-28 15:24:50,866 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 153.1 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 15:24:50,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.73 ms. Allocated memory is still 153.1 MB. Free memory was 127.3 MB in the beginning and 113.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-28 15:24:50,867 INFO L168 Benchmark]: Boogie Preprocessor took 59.19 ms. Allocated memory is still 153.1 MB. Free memory was 112.8 MB in the beginning and 110.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-28 15:24:50,867 INFO L168 Benchmark]: RCFGBuilder took 947.16 ms. Allocated memory is still 153.1 MB. Free memory was 110.6 MB in the beginning and 65.3 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.1 MB. Max. memory is 8.0 GB. [2020-10-28 15:24:50,868 INFO L168 Benchmark]: TraceAbstraction took 32981.03 ms. Allocated memory was 153.1 MB in the beginning and 602.9 MB in the end (delta: 449.8 MB). Free memory was 64.8 MB in the beginning and 517.0 MB in the end (delta: -452.2 MB). Peak memory consumption was 295.7 MB. Max. memory is 8.0 GB. [2020-10-28 15:24:50,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 153.1 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 479.73 ms. Allocated memory is still 153.1 MB. Free memory was 127.3 MB in the beginning and 113.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.19 ms. Allocated memory is still 153.1 MB. Free memory was 112.8 MB in the beginning and 110.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 947.16 ms. Allocated memory is still 153.1 MB. Free memory was 110.6 MB in the beginning and 65.3 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32981.03 ms. Allocated memory was 153.1 MB in the beginning and 602.9 MB in the end (delta: 449.8 MB). Free memory was 64.8 MB in the beginning and 517.0 MB in the end (delta: -452.2 MB). Peak memory consumption was 295.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || (((((NP + 5 <= MPR3 && compRegistered == 0) && s == NP) && !(MPR1 == NP)) && 0 <= status) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((!(1 <= compRegistered) || MPR1 == s) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || !(\old(setEventCalled) == 1)) || s == NP) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || MPR1 == NP) && (((((!(1 <= compRegistered) || s == NP) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((((((!(1 <= compRegistered) || !(pended <= 0)) || (MPR1 == s && returnVal2 + 1073741823 <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || (MPR1 == s && returnVal2 == 0)) || MPR1 == NP) || ((MPR1 == s && setEventCalled == 1) && 259 == returnVal2)) && (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((setEventCalled == \old(setEventCalled) && s == NP) && \old(customIrp) == customIrp)) || MPR1 == NP) && (((((!(1 <= compRegistered) || !(\old(setEventCalled) == 1)) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || MPR1 == NP) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((!(1 <= compRegistered) || MPR1 == s) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((!(pended <= 0) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((MPR1 == s && setEventCalled == 1) || !(1 <= compRegistered)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((!(1 <= compRegistered) || !(\old(setEventCalled) == 1)) || s == NP) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || MPR1 == NP) && (((((!(1 <= compRegistered) || s == NP) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || MPR1 == NP) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(\old(pended) <= 0)) || pended <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.5s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1563 SDtfs, 1740 SDslu, 1781 SDs, 0 SdLazy, 3533 SolverSat, 617 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 99 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 341 PreInvPairs, 408 NumberOfFragments, 2049 HoareAnnotationTreeSize, 341 FomulaSimplifications, 11794 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 54 FomulaSimplificationsInter, 6115 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.8s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 862 ConstructedInterpolants, 0 QuantifiedInterpolants, 215113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 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 proved your program to be correct! Received shutdown request...