/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:10:11,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:10:11,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:10:11,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:10:11,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:10:11,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:10:11,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:10:11,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:10:11,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:10:11,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:10:11,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:10:11,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:10:11,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:10:11,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:10:11,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:10:11,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:10:11,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:10:11,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:10:11,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:10:11,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:10:11,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:10:11,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:10:11,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:10:11,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:10:11,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:10:11,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:10:11,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:10:11,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:10:11,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:10:11,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:10:11,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:10:11,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:10:11,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:10:11,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:10:11,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:10:11,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:10:11,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:10:11,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:10:11,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:10:11,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:10:11,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:10:11,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:10:11,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:10:11,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:10:11,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:10:11,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:10:11,650 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:10:11,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:10:11,651 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:10:11,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:10:11,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:10:11,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:10:11,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:10:11,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:10:11,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:10:11,652 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:10:11,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:10:11,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:10:11,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:10:11,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:10:11,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:10:11,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:10:11,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:10:11,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:10:11,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:10:11,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:10:11,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:10:11,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:10:11,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:10:11,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:10:11,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:10:11,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:10:12,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:10:12,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:10:12,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:10:12,120 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:10:12,121 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:10:12,122 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-25 13:10:12,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f29fcaee8/c730026d890c4355a70d5d4ba96d44fa/FLAG00b0ae611 [2020-09-25 13:10:12,801 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:10:12,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-25 13:10:12,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f29fcaee8/c730026d890c4355a70d5d4ba96d44fa/FLAG00b0ae611 [2020-09-25 13:10:13,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f29fcaee8/c730026d890c4355a70d5d4ba96d44fa [2020-09-25 13:10:13,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:10:13,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:10:13,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:10:13,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:10:13,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:10:13,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a94298b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13, skipping insertion in model container [2020-09-25 13:10:13,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:10:13,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:10:13,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:10:13,702 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:10:13,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:10:13,838 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:10:13,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13 WrapperNode [2020-09-25 13:10:13,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:10:13,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:10:13,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:10:13,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:10:13,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (1/1) ... [2020-09-25 13:10:13,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:10:13,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:10:13,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:10:13,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:10:13,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:10:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:10:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:10:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:10:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:10:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:10:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:10:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:10:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:10:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:10:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:10:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:10:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:10:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:10:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:10:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:10:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:10:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:10:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:10:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:10:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:10:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:10:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:10:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:10:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:10:14,093 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:10:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:10:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:10:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:10:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:10:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:10:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:10:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:10:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:10:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:10:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:10:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:10:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:10:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:10:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:10:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:10:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:10:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:10:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:10:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:10:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:10:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:10:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:10:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:10:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:10:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:10:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:10:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:10:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:10:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:10:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:10:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:10:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:10:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:10:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:10:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:10:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:10:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:10:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:10:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:10:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:10:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:10:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:10:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:10:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:10:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:10:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:10:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:10:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:10:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:10:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:10:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:10:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:10:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:10:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:10:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:10:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:10:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:10:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:10:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:10:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:10:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:10:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:10:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:10:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:10:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:10:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:10:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:10:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:10:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:10:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:10:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:10:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:10:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:10:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:10:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:10:15,255 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:10:15,256 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:10:15,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:10:15 BoogieIcfgContainer [2020-09-25 13:10:15,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:10:15,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:10:15,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:10:15,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:10:15,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:10:13" (1/3) ... [2020-09-25 13:10:15,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eee2471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:10:15, skipping insertion in model container [2020-09-25 13:10:15,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:10:13" (2/3) ... [2020-09-25 13:10:15,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eee2471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:10:15, skipping insertion in model container [2020-09-25 13:10:15,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:10:15" (3/3) ... [2020-09-25 13:10:15,272 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2020-09-25 13:10:15,284 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:10:15,296 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:10:15,318 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:10:15,352 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:10:15,353 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:10:15,353 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:10:15,353 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:10:15,354 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:10:15,354 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:10:15,354 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:10:15,354 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:10:15,382 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 13:10:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:10:15,401 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:15,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:15,403 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:15,412 INFO L82 PathProgramCache]: Analyzing trace with hash 425462913, now seen corresponding path program 1 times [2020-09-25 13:10:15,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:15,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118502018] [2020-09-25 13:10:15,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:15,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:16,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:16,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:17,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:18,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:20,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:10:20,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:10:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 13:10:20,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:20,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 13:10:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 13:10:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:10:21,277 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:21,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:21,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:21,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:21,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-09-25 13:10:21,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:21,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:21,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 13:10:21,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:10:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:21,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:21,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:21,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:21,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:21,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:21,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:10:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:21,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:21,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:21,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:21,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:21,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:21,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:21,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:21,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:21,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:21,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:21,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:10:21,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:21,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:21,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:21,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:21,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:21,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:21,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:21,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:21,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:21,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:21,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:21,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:21,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:21,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:21,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:21,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:21,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:21,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:21,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:21,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:10:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:21,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:21,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:21,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:21,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:21,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:21,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:10:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:21,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:21,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:21,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:21,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:21,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:21,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:10:21,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118502018] [2020-09-25 13:10:21,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:21,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:10:21,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773484138] [2020-09-25 13:10:21,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:10:21,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:22,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:10:22,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:10:22,009 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 5 states. [2020-09-25 13:10:22,842 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:24,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:24,217 INFO L93 Difference]: Finished difference Result 564 states and 668 transitions. [2020-09-25 13:10:24,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:10:24,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:10:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:24,240 INFO L225 Difference]: With dead ends: 564 [2020-09-25 13:10:24,240 INFO L226 Difference]: Without dead ends: 350 [2020-09-25 13:10:24,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:10:24,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-09-25 13:10:24,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 299. [2020-09-25 13:10:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 13:10:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 328 transitions. [2020-09-25 13:10:24,365 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 328 transitions. Word has length 148 [2020-09-25 13:10:24,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:24,366 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 328 transitions. [2020-09-25 13:10:24,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:10:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 328 transitions. [2020-09-25 13:10:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 13:10:24,372 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:24,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:24,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:10:24,373 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:24,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1624759751, now seen corresponding path program 1 times [2020-09-25 13:10:24,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:24,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2026139987] [2020-09-25 13:10:24,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:24,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:24,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:25,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:25,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:26,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:27,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:27,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:28,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:29,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:29,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 13:10:29,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 13:10:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 13:10:29,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:29,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:10:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:10:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-25 13:10:29,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:29,802 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:29,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:29,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:30,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 13:10:30,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:30,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:30,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:10:30,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:30,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:30,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:30,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:30,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:30,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:30,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:30,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:30,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:10:30,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:30,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:30,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:30,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:30,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:30,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:30,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:30,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:10:30,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 13:10:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 13:10:30,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:10:30,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:10:30,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:10:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 13:10:30,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:30,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:30,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 13:10:30,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 13:10:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:10:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:30,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:10:30,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:10:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:10:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:30,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:30,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:30,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:30,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:30,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 13:10:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:30,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:30,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:30,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 13:10:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:30,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:30,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:30,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:30,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:30,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:30,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:10:30,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2026139987] [2020-09-25 13:10:30,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:30,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:10:30,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545146621] [2020-09-25 13:10:30,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:10:30,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:30,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:10:30,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:10:30,507 INFO L87 Difference]: Start difference. First operand 299 states and 328 transitions. Second operand 7 states. [2020-09-25 13:10:30,993 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:32,372 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:10:34,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:34,039 INFO L93 Difference]: Finished difference Result 721 states and 864 transitions. [2020-09-25 13:10:34,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 13:10:34,040 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-09-25 13:10:34,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:34,047 INFO L225 Difference]: With dead ends: 721 [2020-09-25 13:10:34,047 INFO L226 Difference]: Without dead ends: 537 [2020-09-25 13:10:34,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-25 13:10:34,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-09-25 13:10:34,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 448. [2020-09-25 13:10:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-09-25 13:10:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 499 transitions. [2020-09-25 13:10:34,138 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 499 transitions. Word has length 176 [2020-09-25 13:10:34,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:34,139 INFO L479 AbstractCegarLoop]: Abstraction has 448 states and 499 transitions. [2020-09-25 13:10:34,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:10:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 499 transitions. [2020-09-25 13:10:34,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 13:10:34,142 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:34,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:34,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:10:34,143 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:34,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:34,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1371163403, now seen corresponding path program 1 times [2020-09-25 13:10:34,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:34,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449694652] [2020-09-25 13:10:34,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:34,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:35,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:35,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:35,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:37,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-25 13:10:39,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:10:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 13:10:39,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:10:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:10:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 13:10:39,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:39,504 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:39,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:39,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 13:10:39,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:39,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:39,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:39,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:39,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:39,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:39,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:39,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:39,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:39,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:39,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:39,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:39,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:39,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:39,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:10:39,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:39,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 13:10:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:10:39,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 13:10:39,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-25 13:10:39,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:39,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:10:39,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:10:39,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:39,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:10:39,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:10:39,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:39,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:10:39,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:10:39,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:39,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:10:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:10:39,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:39,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:39,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:10:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:39,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:39,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:39,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:39,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 13:10:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:39,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:39,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:39,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 13:10:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:39,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:39,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:39,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:39,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:39,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:39,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:39,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:39,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:39,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:39,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:10:39,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449694652] [2020-09-25 13:10:39,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:39,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:10:39,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67475039] [2020-09-25 13:10:39,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:10:39,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:39,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:10:39,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:10:39,880 INFO L87 Difference]: Start difference. First operand 448 states and 499 transitions. Second operand 6 states. [2020-09-25 13:10:40,577 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:43,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:43,545 INFO L93 Difference]: Finished difference Result 986 states and 1252 transitions. [2020-09-25 13:10:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:10:43,545 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200 [2020-09-25 13:10:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:43,554 INFO L225 Difference]: With dead ends: 986 [2020-09-25 13:10:43,554 INFO L226 Difference]: Without dead ends: 983 [2020-09-25 13:10:43,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:10:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2020-09-25 13:10:43,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 789. [2020-09-25 13:10:43,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-09-25 13:10:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 930 transitions. [2020-09-25 13:10:43,682 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 930 transitions. Word has length 200 [2020-09-25 13:10:43,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:43,683 INFO L479 AbstractCegarLoop]: Abstraction has 789 states and 930 transitions. [2020-09-25 13:10:43,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:10:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 930 transitions. [2020-09-25 13:10:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-09-25 13:10:43,691 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:43,691 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:43,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:10:43,692 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:43,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:43,692 INFO L82 PathProgramCache]: Analyzing trace with hash 13883722, now seen corresponding path program 1 times [2020-09-25 13:10:43,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:43,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994090682] [2020-09-25 13:10:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:43,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:43,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:44,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:44,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:45,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:45,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:45,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:46,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:48,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:48,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 419 [2020-09-25 13:10:48,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 13:10:48,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 13:10:48,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:48,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:10:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 13:10:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-09-25 13:10:48,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:49,093 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:49,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:49,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-09-25 13:10:49,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 13:10:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:49,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:49,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:49,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:49,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:49,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:49,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:49,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:49,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:10:49,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:49,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:49,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:49,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:49,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:49,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:49,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:49,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:10:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 13:10:49,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:49,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 13:10:49,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 13:10:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:10:49,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:10:49,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:10:49,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:10:49,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:49,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:10:49,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:10:49,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:49,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:10:49,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:10:49,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:10:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:10:49,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:49,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:49,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:49,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:10:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:49,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:49,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:49,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 13:10:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 13:10:49,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:49,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:49,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:49,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:49,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:49,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:49,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 13:10:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:49,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:49,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:50,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-25 13:10:51,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:10:51,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1739 [2020-09-25 13:10:51,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:10:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 13:10:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 13:10:51,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:10:51,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:10:51,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-09-25 13:10:51,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:10:51,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:10:51,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:51,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 13:10:51,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:10:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:10:51,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 13:10:51,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 13:10:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:10:51,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:10:51,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 13:10:51,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:10:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:10:51,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:51,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:51,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:10:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:51,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:51,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 13:10:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:10:51,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 13:10:51,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:10:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:10:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:10:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:51,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:51,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:51,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:10:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:51,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:51,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:51,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:51,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-25 13:10:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:10:51,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:10:51,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 13:10:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:51,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:10:51,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:10:51,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:10:51,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:10:51,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:51,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:10:51,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:51,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:51,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:51,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:10:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:10:51,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:51,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:51,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:51,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:10:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:51,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:51,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:51,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:51,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:51,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:51,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:51,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:52,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-25 13:10:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:52,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:52,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:52,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:52,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:52,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:52,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:52,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:52,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-25 13:10:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:52,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:52,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:52,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:52,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:52,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:52,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:52,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:52,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 49 proven. 15 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-09-25 13:10:52,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994090682] [2020-09-25 13:10:52,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:10:52,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 13:10:52,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170980457] [2020-09-25 13:10:52,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 13:10:52,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:52,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 13:10:52,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 13:10:52,123 INFO L87 Difference]: Start difference. First operand 789 states and 930 transitions. Second operand 13 states. [2020-09-25 13:10:52,639 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:10:53,728 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:55,169 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:10:55,738 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:10:56,035 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:10:56,408 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 13:10:56,752 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:10:57,073 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 13:10:57,381 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:10:57,908 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:10:58,227 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:10:58,559 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:10:58,876 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:10:59,186 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192