/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_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:31:00,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:31:00,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:31:00,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:31:00,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:31:00,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:31:00,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:31:00,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:31:00,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:31:00,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:31:00,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:31:00,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:31:00,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:31:00,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:31:00,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:31:00,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:31:00,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:31:00,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:31:00,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:31:00,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:31:00,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:31:00,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:31:00,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:31:00,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:31:00,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:31:00,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:31:00,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:31:00,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:31:00,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:31:00,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:31:00,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:31:00,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:31:00,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:31:00,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:31:00,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:31:00,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:31:00,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:31:00,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:31:00,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:31:00,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:31:00,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:31:00,262 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 06:31:00,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:31:00,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:31:00,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:31:00,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:31:00,317 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:31:00,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:31:00,318 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:31:00,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:31:00,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:31:00,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:31:00,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:31:00,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:31:00,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:31:00,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:31:00,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:31:00,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:31:00,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:31:00,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:31:00,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:31:00,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:31:00,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:31:00,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:31:00,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:31:00,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:31:00,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:31:00,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:31:00,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:31:00,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:31:00,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:31:00,324 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 06:31:00,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:31:00,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:31:00,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:31:00,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:31:00,816 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:31:00,817 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 06:31:00,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3d2eda50/ca6ad835fa3843e0a3b875474c7e0a4f/FLAGd633b2549 [2020-09-25 06:31:01,520 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:31:01,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 06:31:01,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3d2eda50/ca6ad835fa3843e0a3b875474c7e0a4f/FLAGd633b2549 [2020-09-25 06:31:01,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3d2eda50/ca6ad835fa3843e0a3b875474c7e0a4f [2020-09-25 06:31:01,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:31:01,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:31:01,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:31:01,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:31:01,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:31:01,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:31:01" (1/1) ... [2020-09-25 06:31:01,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:01, skipping insertion in model container [2020-09-25 06:31:01,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:31:01" (1/1) ... [2020-09-25 06:31:01,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:31:01,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:31:02,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:31:02,426 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:31:02,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:31:02,568 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:31:02,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02 WrapperNode [2020-09-25 06:31:02,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:31:02,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:31:02,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:31:02,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:31:02,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (1/1) ... [2020-09-25 06:31:02,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (1/1) ... [2020-09-25 06:31:02,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (1/1) ... [2020-09-25 06:31:02,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (1/1) ... [2020-09-25 06:31:02,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (1/1) ... [2020-09-25 06:31:02,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (1/1) ... [2020-09-25 06:31:02,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (1/1) ... [2020-09-25 06:31:02,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:31:02,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:31:02,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:31:02,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:31:02,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (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 06:31:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:31:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:31:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:31:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:31:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:31:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:31:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:31:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:31:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:31:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:31:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:31:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:31:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 06:31:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:31:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:31:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:31:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:31:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:31:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:31:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:31:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:31:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 06:31:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:31:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:31:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:31:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:31:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:31:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 06:31:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:31:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:31:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:31:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:31:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:31:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:31:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:31:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:31:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:31:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:31:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:31:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:31:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:31:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:31:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:31:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:31:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:31:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:31:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:31:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:31:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:31:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:31:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:31:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:31:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:31:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:31:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 06:31:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:31:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:31:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:31:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:31:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:31:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:31:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:31:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:31:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:31:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:31:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:31:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:31:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:31:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:31:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:31:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:31:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 06:31:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 06:31:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:31:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:31:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:31:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:31:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:31:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:31:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:31:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:31:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:31:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:31:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:31:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:31:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:31:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:31:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:31:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:31:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:31:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:31:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:31:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:31:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:31:03,990 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:31:03,990 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:31:03,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:31:03 BoogieIcfgContainer [2020-09-25 06:31:03,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:31:04,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:31:04,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:31:04,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:31:04,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:31:01" (1/3) ... [2020-09-25 06:31:04,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc940f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:31:04, skipping insertion in model container [2020-09-25 06:31:04,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:31:02" (2/3) ... [2020-09-25 06:31:04,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc940f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:31:04, skipping insertion in model container [2020-09-25 06:31:04,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:31:03" (3/3) ... [2020-09-25 06:31:04,009 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-09-25 06:31:04,021 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:31:04,034 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:31:04,059 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:31:04,096 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:31:04,096 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:31:04,096 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:31:04,097 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:31:04,097 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:31:04,097 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:31:04,097 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:31:04,097 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:31:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-25 06:31:04,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 06:31:04,158 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:04,160 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:04,161 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:04,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:04,171 INFO L82 PathProgramCache]: Analyzing trace with hash 138985992, now seen corresponding path program 1 times [2020-09-25 06:31:04,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:04,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080128082] [2020-09-25 06:31:04,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:04,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:04,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:05,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:05,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:07,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:09,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:09,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 06:31:09,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:31:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 06:31:09,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:09,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 06:31:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:09,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 06:31:10,169 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:10,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:10,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 06:31:10,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:10,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:31:10,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:10,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:10,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:10,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:31:10,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:10,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:10,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:10,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:10,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:31:10,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:31:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:10,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:31:10,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:31:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:10,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:10,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:10,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 06:31:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:10,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:10,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:10,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:10,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:31:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:10,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:10,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:10,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:10,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:10,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:10,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:10,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:10,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:10,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:10,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:31:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 06:31:10,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080128082] [2020-09-25 06:31:10,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:10,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:31:10,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579917827] [2020-09-25 06:31:10,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:31:10,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:10,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:31:10,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:31:10,628 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 4 states. [2020-09-25 06:31:11,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:31:11,952 INFO L93 Difference]: Finished difference Result 483 states and 562 transitions. [2020-09-25 06:31:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:31:11,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 06:31:11,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:31:11,976 INFO L225 Difference]: With dead ends: 483 [2020-09-25 06:31:11,977 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 06:31:11,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:31:12,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 06:31:12,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2020-09-25 06:31:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 06:31:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 283 transitions. [2020-09-25 06:31:12,097 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 283 transitions. Word has length 160 [2020-09-25 06:31:12,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:31:12,098 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 283 transitions. [2020-09-25 06:31:12,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:31:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 283 transitions. [2020-09-25 06:31:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:31:12,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:12,103 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:12,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:31:12,104 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:12,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:12,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1474932112, now seen corresponding path program 1 times [2020-09-25 06:31:12,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:12,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28316164] [2020-09-25 06:31:12,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:12,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:12,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:12,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:12,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:15,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 06:31:17,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:31:17,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-25 06:31:17,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:17,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 06:31:17,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 06:31:17,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:17,611 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:17,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 06:31:17,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 06:31:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:17,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:17,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:17,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:17,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:31:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:17,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:17,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:17,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:17,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:17,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:31:17,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:17,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:17,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:17,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:31:17,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:31:17,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:17,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:17,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:17,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:31:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:17,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:17,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:17,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:31:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:17,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:31:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:17,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:17,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:17,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:31:17,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:17,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:17,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:17,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:17,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:17,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:17,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:17,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:17,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:31:17,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 06:31:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:17,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:18,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:18,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:18,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:18,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:18,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:18,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:18,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:18,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:18,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:31:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:18,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:18,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:18,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:18,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:18,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:18,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:18,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:18,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 06:31:18,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28316164] [2020-09-25 06:31:18,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:18,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:31:18,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493872879] [2020-09-25 06:31:18,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:31:18,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:18,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:31:18,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:31:18,109 INFO L87 Difference]: Start difference. First operand 262 states and 283 transitions. Second operand 5 states. [2020-09-25 06:31:18,709 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:31:19,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:31:19,510 INFO L93 Difference]: Finished difference Result 453 states and 514 transitions. [2020-09-25 06:31:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:31:19,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 06:31:19,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:31:19,516 INFO L225 Difference]: With dead ends: 453 [2020-09-25 06:31:19,516 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 06:31:19,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:31:19,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 06:31:19,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2020-09-25 06:31:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 06:31:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-09-25 06:31:19,580 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 161 [2020-09-25 06:31:19,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:31:19,581 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-09-25 06:31:19,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:31:19,582 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-09-25 06:31:19,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-25 06:31:19,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:19,585 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:19,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:31:19,585 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:19,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:19,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1690720512, now seen corresponding path program 1 times [2020-09-25 06:31:19,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:19,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462192120] [2020-09-25 06:31:19,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:19,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:19,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:21,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:22,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:23,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:24,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:24,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 06:31:24,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 06:31:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 06:31:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:24,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:31:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 06:31:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:31:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:25,056 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:25,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 06:31:25,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:25,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:25,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:25,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:25,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:25,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:25,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:25,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:25,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:25,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:25,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:25,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:25,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:31:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:25,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:25,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:25,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:25,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:31:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:31:25,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:31:25,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:31:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:31:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 06:31:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:25,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:25,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:31:25,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-25 06:31:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:25,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:25,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:25,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 06:31:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:25,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:25,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:25,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:25,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:25,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 06:31:25,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462192120] [2020-09-25 06:31:25,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:25,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 06:31:25,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858192903] [2020-09-25 06:31:25,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 06:31:25,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:25,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 06:31:25,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 06:31:25,396 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 8 states. [2020-09-25 06:31:25,877 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:31:27,659 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:31:28,108 INFO L93 Difference]: Finished difference Result 614 states and 721 transitions. [2020-09-25 06:31:28,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 06:31:28,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-09-25 06:31:28,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:31:28,113 INFO L225 Difference]: With dead ends: 614 [2020-09-25 06:31:28,114 INFO L226 Difference]: Without dead ends: 467 [2020-09-25 06:31:28,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-09-25 06:31:28,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-09-25 06:31:28,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 392. [2020-09-25 06:31:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-09-25 06:31:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 436 transitions. [2020-09-25 06:31:28,201 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 436 transitions. Word has length 178 [2020-09-25 06:31:28,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:31:28,203 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 436 transitions. [2020-09-25 06:31:28,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 06:31:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 436 transitions. [2020-09-25 06:31:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-25 06:31:28,208 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:28,209 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:28,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:31:28,209 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:28,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:28,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1414076529, now seen corresponding path program 1 times [2020-09-25 06:31:28,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:28,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1653264675] [2020-09-25 06:31:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:28,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:28,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:30,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:31,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:31,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-25 06:31:33,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:31:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 06:31:33,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:31:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 06:31:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 06:31:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,681 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:33,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:33,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:33,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 06:31:33,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:33,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:33,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:33,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:33,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:33,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:33,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:33,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:33,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:33,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:33,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:33,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:33,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:33,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:31:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:33,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:33,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:33,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:33,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:33,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:33,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:33,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:33,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:33,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:33,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:33,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:31:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:33,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:33,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:34,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:34,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 06:31:34,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:31:34,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-09-25 06:31:34,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:34,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:31:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:34,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:34,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:34,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:34,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:31:34,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:31:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 06:31:34,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:34,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 06:31:34,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:31:34,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:31:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:34,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:34,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:34,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:31:34,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:34,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:31:34,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:34,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:34,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:34,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:31:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:34,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:34,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:34,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:34,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:34,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:34,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:34,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:31:34,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:34,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 06:31:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:34,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:34,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:34,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:34,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:34,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:34,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:34,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:31:34,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:34,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:31:34,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:34,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 06:31:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:34,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:34,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:34,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:34,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:31:34,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:34,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 06:31:35,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1653264675] [2020-09-25 06:31:35,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:35,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:31:35,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22852455] [2020-09-25 06:31:35,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:31:35,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:35,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:31:35,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:31:35,020 INFO L87 Difference]: Start difference. First operand 392 states and 436 transitions. Second operand 10 states. [2020-09-25 06:31:35,492 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:31:36,216 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:31:36,600 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 06:31:37,946 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:38,260 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:31:38,649 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:39,201 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:31:39,523 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:31:39,844 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:31:40,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:31:40,429 INFO L93 Difference]: Finished difference Result 743 states and 869 transitions. [2020-09-25 06:31:40,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 06:31:40,430 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 202 [2020-09-25 06:31:40,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:31:40,434 INFO L225 Difference]: With dead ends: 743 [2020-09-25 06:31:40,434 INFO L226 Difference]: Without dead ends: 466 [2020-09-25 06:31:40,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2020-09-25 06:31:40,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-09-25 06:31:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 391. [2020-09-25 06:31:40,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 06:31:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 433 transitions. [2020-09-25 06:31:40,484 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 433 transitions. Word has length 202 [2020-09-25 06:31:40,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:31:40,485 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 433 transitions. [2020-09-25 06:31:40,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:31:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 433 transitions. [2020-09-25 06:31:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 06:31:40,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:40,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:40,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:31:40,489 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:40,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:40,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1984068191, now seen corresponding path program 1 times [2020-09-25 06:31:40,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:40,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902195165] [2020-09-25 06:31:40,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:40,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 06:31:41,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 773 [2020-09-25 06:31:41,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:31:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-25 06:31:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:31:41,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,585 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:41,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:41,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 06:31:41,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:41,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:41,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:41,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:41,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:41,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:41,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:41,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:41,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:41,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:41,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:41,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:41,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:41,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:41,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:41,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:41,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:41,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:41,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:41,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:31:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:41,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:41,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:41,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:41,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:41,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:41,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:41,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:41,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:31:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 06:31:41,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 06:31:41,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:31:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:31:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:31:41,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:31:41,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:41,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:41,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:31:41,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 06:31:41,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:41,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:31:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 06:31:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:31:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:41,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:31:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:41,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:42,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:42,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:31:42,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 06:31:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:42,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:31:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:31:42,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:42,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 06:31:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:42,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:42,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:42,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 06:31:42,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:31:42,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:42,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 06:31:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-09-25 06:31:42,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:31:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:42,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:42,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:42,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 06:31:42,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:42,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:42,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:42,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:31:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:42,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:42,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:42,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:42,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:42,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:42,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:42,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:42,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:42,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:42,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:42,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:42,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 06:31:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:42,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:42,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:42,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:42,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:42,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:31:42,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:42,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:42,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:42,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 06:31:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:42,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:42,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:42,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:42,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:42,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:42,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:42,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:42,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 06:31:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:42,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:42,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:42,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:42,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:42,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:42,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:31:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 06:31:42,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902195165] [2020-09-25 06:31:42,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:31:42,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:31:42,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325417891] [2020-09-25 06:31:42,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:31:42,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:31:42,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:31:42,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:31:42,179 INFO L87 Difference]: Start difference. First operand 391 states and 433 transitions. Second operand 9 states. [2020-09-25 06:31:43,422 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:43,731 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:31:44,045 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:44,377 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:31:44,689 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:31:45,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:31:45,744 INFO L93 Difference]: Finished difference Result 747 states and 883 transitions. [2020-09-25 06:31:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 06:31:45,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2020-09-25 06:31:45,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:31:45,749 INFO L225 Difference]: With dead ends: 747 [2020-09-25 06:31:45,749 INFO L226 Difference]: Without dead ends: 471 [2020-09-25 06:31:45,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 06:31:45,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-09-25 06:31:45,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 397. [2020-09-25 06:31:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-25 06:31:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 439 transitions. [2020-09-25 06:31:45,799 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 439 transitions. Word has length 225 [2020-09-25 06:31:45,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:31:45,799 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 439 transitions. [2020-09-25 06:31:45,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:31:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 439 transitions. [2020-09-25 06:31:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 06:31:45,803 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:31:45,803 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:45,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:31:45,804 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:31:45,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:31:45,804 INFO L82 PathProgramCache]: Analyzing trace with hash 871099713, now seen corresponding path program 1 times [2020-09-25 06:31:45,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:31:45,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526390966] [2020-09-25 06:31:45,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:31:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:45,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:46,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:46,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 06:31:46,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:46,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 815 [2020-09-25 06:31:46,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:46,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:31:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-25 06:31:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:31:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:47,041 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:31:47,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:31:47,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 06:31:47,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:47,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:47,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:31:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:47,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:47,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:47,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:31:47,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:31:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:47,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:31:47,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:47,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:47,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:47,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:47,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:31:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:31:47,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:47,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:47,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:31:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:31:47,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:47,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:47,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:47,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:31:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:31:47,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:47,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:47,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:31:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:31:47,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:47,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:31:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:31:47,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:31:47,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:31:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:31:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:31:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:47,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:31:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:31:47,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:31:47,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 06:31:47,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:31:47,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 06:31:47,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:31:47,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:31:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:31:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 06:31:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 06:31:47,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:31:47,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:31:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:31:47,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking...