/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:55:15,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:55:15,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:55:15,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:55:15,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:55:15,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:55:15,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:55:15,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:55:15,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:55:15,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:55:15,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:55:15,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:55:15,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:55:15,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:55:15,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:55:15,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:55:15,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:55:15,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:55:15,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:55:15,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:55:15,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:55:15,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:55:15,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:55:15,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:55:15,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:55:15,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:55:15,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:55:15,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:55:15,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:55:15,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:55:15,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:55:15,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:55:15,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:55:15,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:55:15,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:55:15,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:55:15,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:55:15,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:55:15,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:55:15,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:55:15,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:55:15,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 05:55:15,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:55:15,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:55:15,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:55:15,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:55:15,863 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:55:15,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:55:15,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:55:15,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:55:15,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:55:15,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:55:15,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:55:15,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:55:15,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:55:15,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:55:15,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:55:15,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:55:15,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:55:15,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:55:15,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:55:15,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:55:15,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:55:15,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:55:15,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:55:15,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:55:15,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:55:15,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:55:15,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:55:15,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:55:15,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:55:15,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:55:16,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:55:16,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:55:16,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:55:16,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:55:16,204 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:55:16,205 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2020-10-14 05:55:16,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56839fdf3/0f55400242aa4b5bb9bf986b68d745ca/FLAGc3f8a38d7 [2020-10-14 05:55:16,899 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:55:16,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2020-10-14 05:55:16,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56839fdf3/0f55400242aa4b5bb9bf986b68d745ca/FLAGc3f8a38d7 [2020-10-14 05:55:17,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56839fdf3/0f55400242aa4b5bb9bf986b68d745ca [2020-10-14 05:55:17,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:55:17,085 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:55:17,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:55:17,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:55:17,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:55:17,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:55:17" (1/1) ... [2020-10-14 05:55:17,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a47163c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:17, skipping insertion in model container [2020-10-14 05:55:17,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:55:17" (1/1) ... [2020-10-14 05:55:17,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:55:17,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:55:18,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:55:18,021 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:55:18,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:55:18,291 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:55:18,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18 WrapperNode [2020-10-14 05:55:18,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:55:18,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:55:18,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:55:18,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:55:18,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (1/1) ... [2020-10-14 05:55:18,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (1/1) ... [2020-10-14 05:55:18,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (1/1) ... [2020-10-14 05:55:18,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (1/1) ... [2020-10-14 05:55:18,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (1/1) ... [2020-10-14 05:55:18,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (1/1) ... [2020-10-14 05:55:18,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (1/1) ... [2020-10-14 05:55:18,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:55:18,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:55:18,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:55:18,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:55:18,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:55:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:55:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:55:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:55:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:55:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:55:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:55:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:55:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:55:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 05:55:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 05:55:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-14 05:55:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-14 05:55:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:55:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:55:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:55:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:55:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:55:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:55:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:55:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:55:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:55:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:55:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:55:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:55:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:55:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:55:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:55:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:55:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:55:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:55:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:55:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:55:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:55:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:55:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:55:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:55:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:55:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:55:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:55:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:55:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:55:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:55:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:55:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:55:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:55:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:55:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:55:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:55:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:55:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:55:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:55:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:55:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:55:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:55:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:55:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:55:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:55:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:55:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:55:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:55:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:55:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:55:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:55:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:55:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:55:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:55:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:55:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:55:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:55:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:55:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:55:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:55:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:55:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:55:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:55:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:55:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:55:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:55:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:55:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:55:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:55:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:55:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:55:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 05:55:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 05:55:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-14 05:55:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-14 05:55:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:55:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:55:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:55:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:55:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:55:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:55:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:55:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:55:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:55:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:55:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:55:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:55:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:55:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:55:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:55:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:55:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:55:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:55:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:55:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:55:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:55:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:55:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:55:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:55:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:55:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:55:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:55:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:55:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:55:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:55:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:55:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:55:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:55:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:55:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:55:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:55:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:55:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:55:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:55:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:55:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:55:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:55:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:55:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:55:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:55:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:55:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:55:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:55:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:55:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:55:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:55:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:55:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:55:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:55:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:55:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:55:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:55:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:55:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:55:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:55:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:55:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:55:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:55:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:55:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:55:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:55:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:55:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:55:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:55:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:55:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:55:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:55:20,915 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:55:20,915 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:55:20,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:55:20 BoogieIcfgContainer [2020-10-14 05:55:20,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:55:20,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:55:20,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:55:20,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:55:20,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:55:17" (1/3) ... [2020-10-14 05:55:20,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21764bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:55:20, skipping insertion in model container [2020-10-14 05:55:20,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:55:18" (2/3) ... [2020-10-14 05:55:20,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21764bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:55:20, skipping insertion in model container [2020-10-14 05:55:20,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:55:20" (3/3) ... [2020-10-14 05:55:20,933 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product01.cil.c [2020-10-14 05:55:20,943 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:55:20,952 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:55:20,967 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:55:20,996 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:55:20,996 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:55:20,996 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:55:20,996 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:55:20,996 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:55:20,996 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:55:20,997 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:55:20,997 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:55:21,031 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states. [2020-10-14 05:55:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 05:55:21,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:55:21,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:55:21,060 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:55:21,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:55:21,067 INFO L82 PathProgramCache]: Analyzing trace with hash 579631, now seen corresponding path program 1 times [2020-10-14 05:55:21,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:55:21,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931735788] [2020-10-14 05:55:21,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:55:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:21,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:21,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:22,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:22,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:22,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:26,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:26,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-14 05:55:26,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:55:26,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 05:55:26,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:26,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:55:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 05:55:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:55:26,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 05:55:27,982 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 382 [2020-10-14 05:55:27,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:28,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 05:55:28,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:28,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:55:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:28,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:28,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:28,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:55:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:28,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:28,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:28,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:55:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:28,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:28,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:28,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:55:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:28,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:28,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:28,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:55:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:28,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:28,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:28,481 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-14 05:55:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:55:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:29,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:33,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:33,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 05:55:33,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:55:33,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 05:55:33,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:33,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:55:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 05:55:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:55:33,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:33,679 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 05:55:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:33,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:33,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:33,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:33,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:33,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:34,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:55:34,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 813 [2020-10-14 05:55:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:34,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:34,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:34,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:55:34,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:34,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:34,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:34,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:34,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:34,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:55:34,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:55:34,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:34,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:34,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:34,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:55:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:34,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:34,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:34,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:34,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:34,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:34,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:34,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:55:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:34,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:37,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:39,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:39,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 05:55:39,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:55:39,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4615 [2020-10-14 05:55:39,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:39,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-14 05:55:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:39,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:39,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:39,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:39,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:39,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:39,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:39,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:42,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 05:55:42,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:55:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2875 [2020-10-14 05:55:42,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:42,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:42,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:42,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 05:55:42,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:42,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:42,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:55:42,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:42,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:42,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:42,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:42,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:42,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:42,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:42,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:42,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:42,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:42,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:42,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:55:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:55:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:42,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:42,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:55:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:42,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:42,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:55:42,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:42,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:42,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:42,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:42,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:42,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:42,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:42,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:42,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 05:55:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:42,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:42,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:55:42,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:42,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:55:42,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:42,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:42,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:42,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:42,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:42,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:42,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:42,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:42,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:42,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:55:42,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931735788] [2020-10-14 05:55:42,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:55:42,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:55:42,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606666409] [2020-10-14 05:55:42,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:55:42,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:55:42,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:55:42,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:55:42,368 INFO L87 Difference]: Start difference. First operand 721 states. Second operand 8 states. [2020-10-14 05:55:44,280 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 05:55:44,923 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:56:05,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:56:05,448 INFO L93 Difference]: Finished difference Result 1150 states and 2158 transitions. [2020-10-14 05:56:05,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 05:56:05,450 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-10-14 05:56:05,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:56:05,488 INFO L225 Difference]: With dead ends: 1150 [2020-10-14 05:56:05,488 INFO L226 Difference]: Without dead ends: 1085 [2020-10-14 05:56:05,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=81, Invalid=129, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:56:05,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2020-10-14 05:56:05,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 561. [2020-10-14 05:56:05,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-14 05:56:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 910 transitions. [2020-10-14 05:56:05,787 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 910 transitions. Word has length 107 [2020-10-14 05:56:05,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:56:05,789 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 910 transitions. [2020-10-14 05:56:05,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:56:05,789 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 910 transitions. [2020-10-14 05:56:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 05:56:05,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:56:05,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:56:05,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:56:05,798 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:56:05,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:56:05,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1863095358, now seen corresponding path program 1 times [2020-10-14 05:56:05,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:56:05,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865893579] [2020-10-14 05:56:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:56:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:06,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:06,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:07,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:10,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:10,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-14 05:56:10,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:10,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-14 05:56:10,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:10,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:56:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-14 05:56:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:56:10,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:11,661 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-14 05:56:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:11,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:11,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:11,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:11,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 05:56:11,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:11,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:11,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:56:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:11,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:11,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:11,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:11,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:11,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:11,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:11,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:11,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:11,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:11,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:11,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:11,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:56:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:11,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:11,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:11,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:11,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:11,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:11,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:11,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:56:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:11,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:11,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:11,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:11,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:11,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:11,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:11,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:11,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:11,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:11,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:11,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:56:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:11,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:11,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:11,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:11,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:11,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:11,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:11,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:11,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:56:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:11,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:11,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:11,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:11,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:11,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:11,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:11,946 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-14 05:56:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:56:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:11,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:11,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:12,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:12,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:12,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:15,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:15,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:15,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:16,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:16,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-14 05:56:16,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:56:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 05:56:16,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:16,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:56:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 05:56:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:56:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:17,141 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 05:56:17,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:17,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:56:17,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:17,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-14 05:56:17,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:17,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:17,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:17,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:17,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:17,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:17,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:17,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:17,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:17,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:17,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:17,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:17,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:17,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:56:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:17,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:17,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:56:17,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:17,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:56:17,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:17,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:17,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:17,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:17,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:17,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:17,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:56:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:17,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:17,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:17,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:17,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:17,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:17,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:17,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:17,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:56:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:17,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:20,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:20,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 05:56:20,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:20,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3250 [2020-10-14 05:56:20,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:20,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:20,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:56:20,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 05:56:20,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:56:20,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:20,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:20,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:20,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:20,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:22,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:22,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 05:56:22,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:22,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1931 [2020-10-14 05:56:22,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:22,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:56:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 05:56:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:56:22,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:22,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:22,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:22,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:22,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:56:22,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:22,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:56:22,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:22,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:22,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:22,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:22,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:22,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:22,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:22,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:22,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:22,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:22,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:22,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:22,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:56:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:22,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:22,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:56:22,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:56:22,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:22,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:22,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:22,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:56:22,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:22,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:56:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:22,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:22,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:22,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:56:22,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:22,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:22,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:22,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:56:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:22,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:22,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 05:56:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:22,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:22,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:22,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:56:22,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:22,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:56:22,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:22,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:56:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:22,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:22,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:22,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:22,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:23,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:23,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:23,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:23,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:23,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:56:23,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865893579] [2020-10-14 05:56:23,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:56:23,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 05:56:23,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920791338] [2020-10-14 05:56:23,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 05:56:23,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:56:23,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 05:56:23,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 05:56:23,108 INFO L87 Difference]: Start difference. First operand 561 states and 910 transitions. Second operand 11 states. [2020-10-14 05:56:25,260 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 05:56:26,327 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-14 05:56:27,244 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-14 05:56:27,428 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 05:56:28,260 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:56:28,422 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 05:56:29,745 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:56:35,004 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 05:56:46,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:56:46,548 INFO L93 Difference]: Finished difference Result 1564 states and 2868 transitions. [2020-10-14 05:56:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 05:56:46,549 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2020-10-14 05:56:46,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:56:46,563 INFO L225 Difference]: With dead ends: 1564 [2020-10-14 05:56:46,563 INFO L226 Difference]: Without dead ends: 1096 [2020-10-14 05:56:46,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2020-10-14 05:56:46,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2020-10-14 05:56:46,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 565. [2020-10-14 05:56:46,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-10-14 05:56:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 915 transitions. [2020-10-14 05:56:46,794 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 915 transitions. Word has length 109 [2020-10-14 05:56:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:56:46,795 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 915 transitions. [2020-10-14 05:56:46,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 05:56:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 915 transitions. [2020-10-14 05:56:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 05:56:46,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:56:46,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:56:46,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:56:46,800 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:56:46,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:56:46,801 INFO L82 PathProgramCache]: Analyzing trace with hash 320741914, now seen corresponding path program 1 times [2020-10-14 05:56:46,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:56:46,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372375] [2020-10-14 05:56:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:56:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:46,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:46,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:47,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:47,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:47,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:50,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:50,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:50,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:51,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:51,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:51,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 05:56:51,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:56:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 05:56:51,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:51,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:56:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-14 05:56:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:56:51,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:52,574 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-14 05:56:52,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:52,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:52,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:52,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:52,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 05:56:52,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:52,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:52,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:52,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:56:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:52,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:52,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:52,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:52,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:52,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:56:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:52,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:52,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:52,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:52,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:52,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:52,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:52,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:52,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:56:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:52,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:52,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:52,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:52,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:52,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:52,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:52,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:52,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:52,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:56:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:52,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:52,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:52,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:52,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:52,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:52,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:52,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:52,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:56:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:52,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:52,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:52,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:52,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:52,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:52,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:52,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:52,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:52,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:52,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:52,885 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-14 05:56:52,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:56:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:52,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:52,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:53,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:53,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:53,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:53,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:57,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:57,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 05:56:57,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:56:57,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 05:56:57,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:57,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:56:57,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 05:56:57,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:56:57,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:56:58,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-14 05:56:58,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:58,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:56:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:56:58,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 05:56:58,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:56:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:58,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:58,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:58,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:58,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:56:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:03,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:03,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 05:57:03,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:57:03,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4901 [2020-10-14 05:57:03,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:03,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:57:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 05:57:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:57:03,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:03,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:03,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:03,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:03,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:03,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:03,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:03,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:03,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:57:07,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:57:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3588 [2020-10-14 05:57:07,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:57:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 05:57:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:57:07,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:57:07,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:07,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:07,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:07,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:57:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 05:57:07,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:57:07,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:57:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:57:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:57:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 05:57:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:57:07,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:07,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:57:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 05:57:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:57:07,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:57:07,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:57:07,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:07,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:07,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:57:07,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372375] [2020-10-14 05:57:07,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:57:07,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:57:07,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395105781] [2020-10-14 05:57:07,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:57:07,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:57:07,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:57:07,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:57:07,267 INFO L87 Difference]: Start difference. First operand 565 states and 915 transitions. Second operand 9 states. [2020-10-14 05:57:08,553 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-14 05:57:08,824 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 05:57:09,754 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 05:57:10,976 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 05:57:11,295 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:57:15,593 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 05:57:52,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:57:52,046 INFO L93 Difference]: Finished difference Result 2407 states and 4542 transitions. [2020-10-14 05:57:52,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 05:57:52,046 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-10-14 05:57:52,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:57:52,067 INFO L225 Difference]: With dead ends: 2407 [2020-10-14 05:57:52,067 INFO L226 Difference]: Without dead ends: 1935 [2020-10-14 05:57:52,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-14 05:57:52,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2020-10-14 05:57:52,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 984. [2020-10-14 05:57:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-14 05:57:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1597 transitions. [2020-10-14 05:57:52,385 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1597 transitions. Word has length 113 [2020-10-14 05:57:52,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:57:52,385 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1597 transitions. [2020-10-14 05:57:52,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:57:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1597 transitions. [2020-10-14 05:57:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 05:57:52,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:57:52,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:57:52,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:57:52,391 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:57:52,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:57:52,391 INFO L82 PathProgramCache]: Analyzing trace with hash 184689879, now seen corresponding path program 1 times [2020-10-14 05:57:52,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:57:52,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [415119565] [2020-10-14 05:57:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:57:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:52,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:52,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:52,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:52,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:53,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:53,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:57,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:57,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-14 05:57:57,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:57:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 05:57:57,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:57,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:57:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 05:57:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 05:57:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:58,311 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-14 05:57:58,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:57:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:58,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:58,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:58,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 05:57:58,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:58,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:58,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:58,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:57:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:58,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:58,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:58,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:58,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:58,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:57:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:58,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:58,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:58,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:58,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:58,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:58,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:58,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:58,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:57:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:58,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:58,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:58,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:58,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:58,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:58,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:58,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:58,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:58,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:58,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:58,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:57:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:58,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:58,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:58,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:58,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:58,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:58,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:58,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:57:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:58,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:58,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:58,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:58,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:58,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:58,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:58,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:58,590 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-14 05:57:58,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:57:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:58,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:03,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:03,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 05:58:03,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:58:03,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 05:58:03,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:03,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:03,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:58:03,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 05:58:03,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:58:03,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:03,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:03,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:03,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:03,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:03,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:04,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:58:04,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:58:04,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-14 05:58:04,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:04,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:04,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:04,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:04,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:04,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:04,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:04,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:04,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:04,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:04,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:04,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:04,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:04,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:04,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:58:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:04,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:04,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:58:04,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:04,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 05:58:04,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:04,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:04,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:04,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:58:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:04,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:04,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:04,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:04,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:04,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:04,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:04,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:58:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:04,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:09,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:09,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 05:58:09,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:58:09,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 05:58:09,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:09,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:09,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:58:09,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-14 05:58:09,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:58:09,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:09,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:09,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:09,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:09,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:09,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:09,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:09,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:09,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 05:58:14,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:58:14,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 05:58:14,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:58:14,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 05:58:14,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:58:14,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:14,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:58:14,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:14,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:14,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:14,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 05:58:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 05:58:14,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:58:14,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:58:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:58:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:58:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 05:58:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:14,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:14,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 05:58:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:58:14,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:14,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:58:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 05:58:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:58:14,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:14,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:58:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:14,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:14,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:58:14,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [415119565] [2020-10-14 05:58:14,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:58:14,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:58:14,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953913837] [2020-10-14 05:58:14,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:58:14,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:58:14,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:58:14,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:58:14,410 INFO L87 Difference]: Start difference. First operand 984 states and 1597 transitions. Second operand 9 states. [2020-10-14 05:58:15,398 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-14 05:58:15,683 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-14 05:58:16,454 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 05:58:17,611 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-14 05:58:17,920 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:58:21,714 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 05:58:47,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:58:47,306 INFO L93 Difference]: Finished difference Result 4321 states and 8248 transitions. [2020-10-14 05:58:47,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 05:58:47,307 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2020-10-14 05:58:47,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:58:47,339 INFO L225 Difference]: With dead ends: 4321 [2020-10-14 05:58:47,339 INFO L226 Difference]: Without dead ends: 3430 [2020-10-14 05:58:47,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-14 05:58:47,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2020-10-14 05:58:47,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 1775. [2020-10-14 05:58:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-10-14 05:58:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2902 transitions. [2020-10-14 05:58:47,919 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2902 transitions. Word has length 118 [2020-10-14 05:58:47,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:58:47,920 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 2902 transitions. [2020-10-14 05:58:47,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:58:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2902 transitions. [2020-10-14 05:58:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 05:58:47,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:58:47,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:58:47,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:58:47,926 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:58:47,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:58:47,926 INFO L82 PathProgramCache]: Analyzing trace with hash 470950886, now seen corresponding path program 1 times [2020-10-14 05:58:47,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:58:47,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135418822] [2020-10-14 05:58:47,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:58:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:48,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:48,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:48,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:48,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:48,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:48,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking...