/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:28:29,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:28:29,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:28:29,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:28:29,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:28:29,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:28:29,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:28:29,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:28:29,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:28:29,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:28:29,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:28:29,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:28:29,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:28:29,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:28:29,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:28:29,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:28:29,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:28:29,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:28:29,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:28:29,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:28:29,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:28:29,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:28:29,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:28:29,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:28:29,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:28:29,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:28:29,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:28:29,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:28:29,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:28:29,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:28:29,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:28:29,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:28:29,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:28:29,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:28:29,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:28:29,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:28:29,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:28:29,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:28:29,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:28:29,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:28:29,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:28:29,317 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 [2020-09-25 06:28:29,343 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:28:29,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:28:29,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:28:29,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:28:29,345 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:28:29,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:28:29,346 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:28:29,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:28:29,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:28:29,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:28:29,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:28:29,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:28:29,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:28:29,347 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:28:29,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:28:29,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:28:29,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:28:29,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:28:29,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:28:29,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:28:29,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:28:29,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:28:29,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:28:29,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:28:29,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:28:29,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:28:29,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:28:29,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:28:29,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:28:29,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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; 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; 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; 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; 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; 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; [2020-09-25 06:28:29,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:28:29,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:28:29,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:28:29,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:28:29,840 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:28:29,841 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 06:28:29,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/681961253/b4aabff586d84e988a1d56af4c11dce9/FLAG31898eccf [2020-09-25 06:28:30,613 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:28:30,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 06:28:30,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/681961253/b4aabff586d84e988a1d56af4c11dce9/FLAG31898eccf [2020-09-25 06:28:30,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/681961253/b4aabff586d84e988a1d56af4c11dce9 [2020-09-25 06:28:30,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:28:30,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:28:30,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:28:30,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:28:30,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:28:30,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:28:30" (1/1) ... [2020-09-25 06:28:30,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6665a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:30, skipping insertion in model container [2020-09-25 06:28:30,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:28:30" (1/1) ... [2020-09-25 06:28:30,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:28:30,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:28:31,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:28:31,367 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:28:31,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:28:31,541 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:28:31,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31 WrapperNode [2020-09-25 06:28:31,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:28:31,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:28:31,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:28:31,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:28:31,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (1/1) ... [2020-09-25 06:28:31,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (1/1) ... [2020-09-25 06:28:31,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (1/1) ... [2020-09-25 06:28:31,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (1/1) ... [2020-09-25 06:28:31,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (1/1) ... [2020-09-25 06:28:31,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (1/1) ... [2020-09-25 06:28:31,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (1/1) ... [2020-09-25 06:28:31,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:28:31,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:28:31,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:28:31,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:28:31,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (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 [2020-09-25 06:28:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:28:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:28:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:28:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:28:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:28:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:28:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:28:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:28:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:28:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:28:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:28:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:28:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:28:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:28:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:28:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:28:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:28:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:28:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:28:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:28:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:28:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:28:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:28:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:28:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:28:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 06:28:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:28:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:28:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:28:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:28:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:28:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 06:28:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:28:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 06:28:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:28:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:28:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:28:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:28:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:28:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 06:28:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:28:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:28:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:28:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:28:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:28:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:28:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:28:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:28:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:28:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:28:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:28:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:28:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:28:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:28:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:28:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:28:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:28:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:28:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:28:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:28:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:28:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:28:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:28:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:28:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:28:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:28:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:28:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:28:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:28:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:28:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:28:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:28:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:28:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:28:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:28:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:28:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:28:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:28:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:28:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:28:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:28:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:28:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:28:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:28:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 06:28:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:28:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:28:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:28:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:28:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:28:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:28:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 06:28:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 06:28:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:28:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 06:28:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:28:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 06:28:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:28:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:28:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:28:33,185 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:28:33,185 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:28:33,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:28:33 BoogieIcfgContainer [2020-09-25 06:28:33,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:28:33,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:28:33,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:28:33,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:28:33,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:28:30" (1/3) ... [2020-09-25 06:28:33,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1a0841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:28:33, skipping insertion in model container [2020-09-25 06:28:33,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:28:31" (2/3) ... [2020-09-25 06:28:33,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1a0841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:28:33, skipping insertion in model container [2020-09-25 06:28:33,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:28:33" (3/3) ... [2020-09-25 06:28:33,204 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-09-25 06:28:33,216 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:28:33,228 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:28:33,249 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:28:33,281 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:28:33,281 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:28:33,281 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:28:33,282 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:28:33,282 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:28:33,282 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:28:33,282 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:28:33,282 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:28:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states. [2020-09-25 06:28:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:28:33,333 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:28:33,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:28:33,335 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:28:33,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:28:33,344 INFO L82 PathProgramCache]: Analyzing trace with hash 678471582, now seen corresponding path program 1 times [2020-09-25 06:28:33,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:28:33,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446463281] [2020-09-25 06:28:33,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:28:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:34,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:35,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:36,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:38,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:38,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:28:38,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:28:38,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 06:28:38,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:38,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:28:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:28:39,377 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:28:39,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:28:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:39,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:39,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:39,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:28:39,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:39,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-25 06:28:39,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:39,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:39,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:39,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:39,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:39,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:28:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:39,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:39,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:39,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:39,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:28:39,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:39,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:39,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:39,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:28:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:39,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:39,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:39,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:39,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:28:39,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:39,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:39,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:39,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:28:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:39,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:39,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:39,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:39,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:39,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:28:39,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:39,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:39,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:28:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:39,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:39,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:39,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:28:39,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:39,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:39,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:28:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:39,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:39,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:39,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:39,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:39,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:28:39,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:39,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:39,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:28:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:39,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:28:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:39,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:39,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:39,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:39,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:39,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:28:39,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:39,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:39,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:39,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:28:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:39,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:28:39,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446463281] [2020-09-25 06:28:39,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:28:39,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:28:39,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523462266] [2020-09-25 06:28:39,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:28:39,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:28:39,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:28:39,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:28:39,818 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 3 states. [2020-09-25 06:28:41,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:28:41,976 INFO L93 Difference]: Finished difference Result 575 states and 684 transitions. [2020-09-25 06:28:41,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:28:41,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:28:41,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:28:42,000 INFO L225 Difference]: With dead ends: 575 [2020-09-25 06:28:42,000 INFO L226 Difference]: Without dead ends: 348 [2020-09-25 06:28:42,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:28:42,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-25 06:28:42,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 301. [2020-09-25 06:28:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-25 06:28:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 331 transitions. [2020-09-25 06:28:42,157 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 331 transitions. Word has length 142 [2020-09-25 06:28:42,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:28:42,159 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 331 transitions. [2020-09-25 06:28:42,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:28:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 331 transitions. [2020-09-25 06:28:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:28:42,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:28:42,171 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:28:42,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:28:42,178 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:28:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:28:42,179 INFO L82 PathProgramCache]: Analyzing trace with hash 999725193, now seen corresponding path program 1 times [2020-09-25 06:28:42,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:28:42,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117532419] [2020-09-25 06:28:42,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:28:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:42,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:42,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:44,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:44,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:47,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:47,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:28:47,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:28:47,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 06:28:47,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:47,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:47,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:28:47,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:28:47,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:28:47,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:47,538 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:28:47,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:28:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:47,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:47,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:47,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:28:47,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:47,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 06:28:47,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:47,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:47,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:28:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:47,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:47,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:47,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:47,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:47,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:28:47,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:47,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:47,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:47,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:28:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:47,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:47,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:47,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:28:47,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:47,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:28:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:47,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:47,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:47,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:47,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:47,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:28:47,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:47,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:47,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:47,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:47,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:28:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:47,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:47,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:47,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:47,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:47,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:28:47,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:47,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:47,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:28:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:47,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:47,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:47,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:47,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:28:47,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:47,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:28:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:47,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:28:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:47,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:47,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:47,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:47,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:47,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:28:47,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:47,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:28:47,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:47,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:28:47,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117532419] [2020-09-25 06:28:47,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:28:47,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:28:47,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293327940] [2020-09-25 06:28:47,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:28:47,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:28:47,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:28:47,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:28:47,762 INFO L87 Difference]: Start difference. First operand 301 states and 331 transitions. Second operand 4 states. [2020-09-25 06:28:48,386 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:28:49,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:28:49,787 INFO L93 Difference]: Finished difference Result 486 states and 551 transitions. [2020-09-25 06:28:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:28:49,790 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:28:49,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:28:49,795 INFO L225 Difference]: With dead ends: 486 [2020-09-25 06:28:49,795 INFO L226 Difference]: Without dead ends: 331 [2020-09-25 06:28:49,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:28:49,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-25 06:28:49,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291. [2020-09-25 06:28:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-09-25 06:28:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 318 transitions. [2020-09-25 06:28:49,848 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 318 transitions. Word has length 143 [2020-09-25 06:28:49,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:28:49,849 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 318 transitions. [2020-09-25 06:28:49,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:28:49,849 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-09-25 06:28:49,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 06:28:49,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:28:49,852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:28:49,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:28:49,852 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:28:49,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:28:49,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1892651662, now seen corresponding path program 1 times [2020-09-25 06:28:49,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:28:49,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926633606] [2020-09-25 06:28:49,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:28:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:50,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:51,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:54,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:54,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 06:28:54,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:28:54,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 06:28:54,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:54,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:54,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:28:54,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 06:28:54,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 06:28:54,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:55,213 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:28:55,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:28:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:55,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:55,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:55,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:28:55,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-09-25 06:28:55,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:55,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:28:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 06:28:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:55,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:28:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:55,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:55,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:55,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:55,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:28:55,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:55,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:28:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:28:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:55,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:28:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:55,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:55,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:55,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:55,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:55,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:28:55,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:55,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:28:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:55,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:28:55,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:55,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:28:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:55,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:55,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:55,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:55,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:55,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:28:55,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:55,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:55,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:28:55,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:55,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:28:55,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:28:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:55,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:55,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:55,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:28:55,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:55,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:28:55,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:55,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:28:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:28:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:28:55,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:55,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:28:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:55,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:55,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:55,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:55,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:28:55,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:55,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:28:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:55,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:28:55,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 06:28:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:55,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:28:55,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:28:55,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:28:55,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:28:55,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:28:55,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:28:55,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:28:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:28:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:28:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:28:55,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:28:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:28:55,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926633606] [2020-09-25 06:28:55,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:28:55,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:28:55,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643263687] [2020-09-25 06:28:55,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:28:55,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:28:55,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:28:55,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:28:55,663 INFO L87 Difference]: Start difference. First operand 291 states and 318 transitions. Second operand 5 states. [2020-09-25 06:28:56,142 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:28:56,905 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:28:59,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:28:59,360 INFO L93 Difference]: Finished difference Result 792 states and 915 transitions. [2020-09-25 06:28:59,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:28:59,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 06:28:59,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:28:59,367 INFO L225 Difference]: With dead ends: 792 [2020-09-25 06:28:59,367 INFO L226 Difference]: Without dead ends: 611 [2020-09-25 06:28:59,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:28:59,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-09-25 06:28:59,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 536. [2020-09-25 06:28:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 06:28:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 604 transitions. [2020-09-25 06:28:59,486 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 604 transitions. Word has length 152 [2020-09-25 06:28:59,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:28:59,487 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 604 transitions. [2020-09-25 06:28:59,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:28:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 604 transitions. [2020-09-25 06:28:59,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:28:59,491 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:28:59,491 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:28:59,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:28:59,491 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:28:59,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:28:59,492 INFO L82 PathProgramCache]: Analyzing trace with hash -200869376, now seen corresponding path program 1 times [2020-09-25 06:28:59,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:28:59,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16101308] [2020-09-25 06:28:59,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:28:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:28:59,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:00,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:01,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:04,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:04,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:29:04,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:29:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 06:29:04,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:04,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:29:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 06:29:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 06:29:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:04,937 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:29:04,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:29:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:04,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:05,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:05,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:29:05,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:05,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 06:29:05,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:05,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:05,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:05,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:05,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:05,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:29:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:05,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:05,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:05,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:05,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:05,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:29:05,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:05,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:05,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:05,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:05,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:05,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:05,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:29:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:05,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:05,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:05,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:05,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:05,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:29:05,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:05,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:05,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:05,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:05,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:05,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:05,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:29:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:05,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:05,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:05,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:29:05,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:05,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:29:05,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:05,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:29:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:05,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:05,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:05,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:05,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:05,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:29:05,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:05,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:05,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:05,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:05,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 06:29:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:05,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:05,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:05,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:29:05,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:05,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:29:05,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:05,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:29:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:29:05,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:05,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:29:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:05,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:05,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:05,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:29:05,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:05,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:29:05,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:05,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:29:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:29:05,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:05,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 06:29:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:05,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:05,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:05,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:29:05,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:05,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:29:05,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:05,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:05,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:29:05,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:29:05,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:29:05,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16101308] [2020-09-25 06:29:05,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:29:05,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:29:05,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776288656] [2020-09-25 06:29:05,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:29:05,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:29:05,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:29:05,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:29:05,220 INFO L87 Difference]: Start difference. First operand 536 states and 604 transitions. Second operand 9 states. [2020-09-25 06:29:05,721 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:29:06,965 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:29:07,295 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:29:07,632 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:29:08,002 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 06:29:08,340 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:29:09,216 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:29:09,528 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:29:09,877 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:29:11,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:29:11,061 INFO L93 Difference]: Finished difference Result 1252 states and 1493 transitions. [2020-09-25 06:29:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 06:29:11,062 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 06:29:11,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:29:11,072 INFO L225 Difference]: With dead ends: 1252 [2020-09-25 06:29:11,072 INFO L226 Difference]: Without dead ends: 826 [2020-09-25 06:29:11,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 06:29:11,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-09-25 06:29:11,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 745. [2020-09-25 06:29:11,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-09-25 06:29:11,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 844 transitions. [2020-09-25 06:29:11,206 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 844 transitions. Word has length 161 [2020-09-25 06:29:11,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:29:11,206 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 844 transitions. [2020-09-25 06:29:11,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:29:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 844 transitions. [2020-09-25 06:29:11,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 06:29:11,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:29:11,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:29:11,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:29:11,211 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:29:11,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:29:11,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1008542969, now seen corresponding path program 1 times [2020-09-25 06:29:11,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:29:11,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741238726] [2020-09-25 06:29:11,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:29:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:11,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:11,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:16,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:16,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 06:29:16,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:29:16,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 06:29:16,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:16,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:29:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-09-25 06:29:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:29:16,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:29:16,600 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:29:16,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:29:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:16,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:16,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:16,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:29:16,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:16,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 06:29:16,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:16,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:16,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:16,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:29:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:16,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:16,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:16,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:16,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:16,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:29:16,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:16,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:16,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:16,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:16,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:16,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:16,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:29:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:16,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:16,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:16,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:16,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:29:16,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:16,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:16,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:16,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:16,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:29:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:16,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:16,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:29:16,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:16,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:29:16,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:16,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:16,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:29:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:16,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:16,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:16,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:16,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:29:16,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:16,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:16,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 06:29:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:16,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:16,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:16,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:29:16,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:16,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 06:29:16,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:16,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:16,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:29:16,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 06:29:16,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:29:16,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:16,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:29:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:16,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:17,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:17,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 06:29:17,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:17,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 06:29:17,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:17,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:29:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 06:29:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:29:17,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:29:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking...