/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=0.3 --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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:01:03,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:01:03,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:01:03,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:01:03,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:01:03,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:01:03,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:01:03,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:01:03,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:01:03,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:01:03,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:01:03,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:01:03,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:01:03,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:01:03,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:01:03,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:01:03,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:01:03,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:01:03,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:01:03,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:01:03,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:01:03,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:01:03,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:01:03,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:01:03,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:01:03,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:01:03,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:01:03,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:01:03,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:01:03,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:01:03,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:01:03,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:01:03,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:01:03,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:01:03,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:01:03,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:01:03,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:01:03,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:01:03,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:01:03,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:01:03,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:01:03,642 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 12:01:03,682 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:01:03,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:01:03,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:01:03,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:01:03,684 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:01:03,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:01:03,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:01:03,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:01:03,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:01:03,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:01:03,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:01:03,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:01:03,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:01:03,687 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:01:03,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:01:03,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:01:03,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:01:03,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:01:03,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:01:03,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:01:03,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:01:03,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:01:03,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:01:03,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:01:03,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:01:03,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:01:03,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:01:03,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:01:03,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:01:03,691 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 12:01:04,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:01:04,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:01:04,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:01:04,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:01:04,164 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:01:04,166 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2020-09-25 12:01:04,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7dac285b/a401f0499cb446cd9f5adfff5521b295/FLAGd18bf3c53 [2020-09-25 12:01:04,829 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:01:04,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2020-09-25 12:01:04,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7dac285b/a401f0499cb446cd9f5adfff5521b295/FLAGd18bf3c53 [2020-09-25 12:01:05,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7dac285b/a401f0499cb446cd9f5adfff5521b295 [2020-09-25 12:01:05,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:01:05,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:01:05,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:01:05,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:01:05,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:01:05,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05, skipping insertion in model container [2020-09-25 12:01:05,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:01:05,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:01:05,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:01:05,599 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:01:05,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:01:05,855 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:01:05,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05 WrapperNode [2020-09-25 12:01:05,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:01:05,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:01:05,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:01:05,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:01:05,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (1/1) ... [2020-09-25 12:01:05,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:01:05,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:01:05,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:01:05,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:01:05,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (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 12:01:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:01:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:01:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:01:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:01:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:01:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:01:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:01:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:01:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:01:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:01:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:01:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:01:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:01:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:01:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:01:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:01:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:01:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:01:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:01:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:01:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:01:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:01:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:01:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:01:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:01:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:01:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:01:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:01:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:01:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:01:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:01:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:01:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:01:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:01:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:01:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:01:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:01:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:01:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:01:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:01:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:01:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:01:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:01:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:01:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:01:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:01:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:01:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:01:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:01:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:01:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:01:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:01:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:01:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:01:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:01:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:01:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:01:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:01:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:01:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:01:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:01:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:01:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:01:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:01:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:01:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:01:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:01:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:01:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:01:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:01:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:01:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:01:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:01:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:01:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:01:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:01:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:01:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:01:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:01:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:01:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:01:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:01:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:01:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:01:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:01:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:01:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:01:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:01:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:01:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:01:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:01:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:01:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:01:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:01:07,239 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:01:07,240 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:01:07,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:07 BoogieIcfgContainer [2020-09-25 12:01:07,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:01:07,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:01:07,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:01:07,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:01:07,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:01:05" (1/3) ... [2020-09-25 12:01:07,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbfc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:07, skipping insertion in model container [2020-09-25 12:01:07,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:05" (2/3) ... [2020-09-25 12:01:07,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbfc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:07, skipping insertion in model container [2020-09-25 12:01:07,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:07" (3/3) ... [2020-09-25 12:01:07,256 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2020-09-25 12:01:07,267 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:01:07,278 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:01:07,301 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:01:07,334 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:01:07,334 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:01:07,334 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:01:07,335 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:01:07,335 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:01:07,335 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:01:07,335 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:01:07,335 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:01:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states. [2020-09-25 12:01:07,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 12:01:07,382 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:07,383 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 12:01:07,384 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:07,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:07,392 INFO L82 PathProgramCache]: Analyzing trace with hash 328016978, now seen corresponding path program 1 times [2020-09-25 12:01:07,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:07,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216777313] [2020-09-25 12:01:07,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:07,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:08,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:08,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:09,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:10,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:12,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:12,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 12:01:12,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:01:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 12:01:12,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:12,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:12,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:01:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 12:01:12,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 12:01:13,203 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:13,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:13,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:13,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:13,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:13,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-09-25 12:01:13,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:13,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:01:13,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:13,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:13,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:13,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:13,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:13,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:13,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:13,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:13,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:13,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:13,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:13,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:13,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:13,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:13,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:01:13,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:13,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:13,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:13,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:13,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:13,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:13,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:13,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:13,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:13,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:13,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:13,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:13,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:13,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:13,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:13,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:13,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:13,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:13,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:13,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:13,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:13,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:01:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:13,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:13,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:13,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:13,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:13,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:13,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:01:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:13,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:13,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:13,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:13,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:13,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:13,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:13,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:13,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:13,763 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 12:01:13,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216777313] [2020-09-25 12:01:13,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:13,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 12:01:13,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892185720] [2020-09-25 12:01:13,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 12:01:13,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:13,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 12:01:13,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:01:13,796 INFO L87 Difference]: Start difference. First operand 314 states. Second operand 5 states. [2020-09-25 12:01:14,423 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:15,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:15,439 INFO L93 Difference]: Finished difference Result 468 states and 557 transitions. [2020-09-25 12:01:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:01:15,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 12:01:15,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:15,461 INFO L225 Difference]: With dead ends: 468 [2020-09-25 12:01:15,461 INFO L226 Difference]: Without dead ends: 300 [2020-09-25 12:01:15,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:01:15,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-25 12:01:15,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-25 12:01:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-25 12:01:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 275 transitions. [2020-09-25 12:01:15,583 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 275 transitions. Word has length 148 [2020-09-25 12:01:15,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:15,587 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 275 transitions. [2020-09-25 12:01:15,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 12:01:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2020-09-25 12:01:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 12:01:15,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:15,596 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] [2020-09-25 12:01:15,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:01:15,597 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:15,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:15,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1158136976, now seen corresponding path program 1 times [2020-09-25 12:01:15,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:15,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025203299] [2020-09-25 12:01:15,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:15,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:16,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:16,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:16,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:19,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:20,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:20,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 12:01:20,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:01:20,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 12:01:20,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:20,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:01:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 12:01:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 12:01:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,059 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:21,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:21,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 12:01:21,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:21,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:21,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:21,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:21,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:21,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:21,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:21,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:21,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:21,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:21,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:21,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:21,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:21,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:21,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:21,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:21,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:01:21,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 12:01:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:01:21,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:01:21,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:21,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:21,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:21,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:21,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:21,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:01:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:21,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:21,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:21,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:01:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:21,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:21,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:21,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:21,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:21,397 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 12:01:21,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025203299] [2020-09-25 12:01:21,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:21,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:01:21,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836840445] [2020-09-25 12:01:21,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:01:21,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:21,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:01:21,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:01:21,403 INFO L87 Difference]: Start difference. First operand 253 states and 275 transitions. Second operand 6 states. [2020-09-25 12:01:21,877 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:24,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:24,532 INFO L93 Difference]: Finished difference Result 566 states and 729 transitions. [2020-09-25 12:01:24,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 12:01:24,532 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-09-25 12:01:24,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:24,549 INFO L225 Difference]: With dead ends: 566 [2020-09-25 12:01:24,549 INFO L226 Difference]: Without dead ends: 563 [2020-09-25 12:01:24,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:01:24,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-09-25 12:01:24,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 391. [2020-09-25 12:01:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 12:01:24,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 441 transitions. [2020-09-25 12:01:24,669 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 441 transitions. Word has length 171 [2020-09-25 12:01:24,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:24,670 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 441 transitions. [2020-09-25 12:01:24,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:01:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 441 transitions. [2020-09-25 12:01:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 12:01:24,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:24,674 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, 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 12:01:24,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:01:24,675 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:24,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:24,675 INFO L82 PathProgramCache]: Analyzing trace with hash 524741542, now seen corresponding path program 1 times [2020-09-25 12:01:24,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:24,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389453242] [2020-09-25 12:01:24,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:24,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:24,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:25,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:25,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:25,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:25,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:28,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:29,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:29,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-09-25 12:01:29,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 12:01:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 12:01:29,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:29,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:01:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 12:01:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 12:01:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,120 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:30,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-09-25 12:01:30,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 12:01:30,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:30,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:30,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:30,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:30,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:30,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:30,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:30,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 12:01:30,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:30,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:30,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:30,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:30,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:30,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:30,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:30,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:30,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:01:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 12:01:30,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:01:30,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 12:01:30,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 12:01:30,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:30,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:01:30,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:30,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:30,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:30,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:30,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:30,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:30,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:30,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:30,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:30,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 12:01:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 12:01:30,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:30,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:30,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:30,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:30,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:30,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:30,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:30,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:30,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:30,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:30,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:01:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:30,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:30,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:31,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:31,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 12:01:31,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:01:31,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1106 [2020-09-25 12:01:31,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:31,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:31,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:01:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 12:01:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 12:01:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:31,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:31,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:31,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:31,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:31,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:01:31,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:01:31,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 12:01:31,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:31,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:31,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:01:31,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:31,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:31,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:31,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:31,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:31,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:31,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:31,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:31,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:01:31,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:31,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:31,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:31,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:31,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:31,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:31,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:31,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:31,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 12:01:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:31,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:31,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:31,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:01:31,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:31,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 12:01:31,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:31,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:01:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 12:01:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 12:01:31,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:31,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:31,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:31,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:31,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:31,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:31,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:31,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:31,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:31,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:31,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 12:01:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:31,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:32,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:32,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:32,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:32,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 12:01:32,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:32,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:01:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:01:32,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:32,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 12:01:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:32,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:32,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:32,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:01:32,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:32,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:01:32,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:32,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:32,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:32,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 12:01:32,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:32,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:32,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:32,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:32,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:32,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:32,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:32,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:32,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:32,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:32,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:32,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:32,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:32,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:32,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:32,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:32,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:32,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:32,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 12:01:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:32,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:32,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:32,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:32,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:32,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:32,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:32,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:32,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:32,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-25 12:01:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:32,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:32,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:32,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:32,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:32,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:01:32,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:32,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:32,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-09-25 12:01:32,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389453242] [2020-09-25 12:01:32,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:01:32,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 12:01:32,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880626872] [2020-09-25 12:01:32,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 12:01:32,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:32,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 12:01:32,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 12:01:32,192 INFO L87 Difference]: Start difference. First operand 391 states and 441 transitions. Second operand 13 states. [2020-09-25 12:01:32,768 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:33,905 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:34,575 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:34,911 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:35,276 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:35,603 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:35,926 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:36,380 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:36,683 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:37,023 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:37,331 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:37,630 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:37,965 INFO L93 Difference]: Finished difference Result 619 states and 747 transitions. [2020-09-25 12:01:37,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 12:01:37,966 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 249 [2020-09-25 12:01:37,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:37,969 INFO L225 Difference]: With dead ends: 619 [2020-09-25 12:01:37,969 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:01:37,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 55 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=316, Invalid=874, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 12:01:37,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:01:37,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:01:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:01:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:01:37,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2020-09-25 12:01:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:37,979 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:01:37,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 12:01:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:01:37,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:01:37,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:01:37,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:01:38,181 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:38,358 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:38,580 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 13 [2020-09-25 12:01:38,762 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:39,160 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-25 12:01:39,528 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:39,914 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-25 12:01:40,279 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:40,638 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:41,012 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-25 12:01:41,384 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-25 12:01:41,741 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:42,115 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-25 12:01:42,472 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:42,638 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:42,812 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:42,986 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:43,150 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:43,326 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:43,542 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:43,685 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:43,858 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:44,020 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:44,191 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:44,353 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:44,515 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:44,686 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:44,858 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:45,020 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:45,191 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:45,353 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:45,532 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:45,703 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:45,865 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:46,037 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:46,209 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:46,372 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:46,545 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:46,708 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:46,881 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:47,052 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:47,223 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:47,384 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:47,556 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:47,717 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:47,889 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:48,102 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:48,265 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:48,443 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:48,617 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:48,778 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:48,948 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 13 [2020-09-25 12:01:49,127 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:49,299 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:49,664 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-25 12:01:50,006 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 12:01:50,363 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-25 12:01:50,705 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 12:01:51,048 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 12:01:51,405 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-25 12:01:51,762 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-25 12:01:52,104 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 12:01:52,460 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-25 12:01:52,804 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 12:01:52,977 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:53,149 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:53,320 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:53,493 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:53,652 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 13 [2020-09-25 12:01:53,823 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:53,994 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:54,168 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:54,332 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:54,509 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:54,692 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:54,863 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:55,025 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:55,201 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 13 [2020-09-25 12:01:55,372 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:55,545 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:55,707 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:55,875 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 13 [2020-09-25 12:01:56,046 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:01:56,522 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-25 12:01:56,812 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 30 [2020-09-25 12:01:57,254 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 22 [2020-09-25 12:01:57,698 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-25 12:01:57,968 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-09-25 12:01:58,284 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 30 [2020-09-25 12:01:58,545 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:59,010 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 22