/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:05:39,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:05:39,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:05:39,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:05:39,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:05:39,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:05:39,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:05:39,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:05:39,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:05:39,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:05:39,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:05:39,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:05:39,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:05:39,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:05:39,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:05:39,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:05:39,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:05:39,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:05:39,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:05:39,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:05:39,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:05:39,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:05:39,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:05:39,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:05:39,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:05:39,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:05:39,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:05:39,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:05:39,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:05:39,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:05:39,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:05:39,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:05:39,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:05:39,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:05:39,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:05:39,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:05:39,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:05:39,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:05:39,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:05:39,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:05:39,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:05:39,949 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 [2020-09-24 19:05:39,974 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:05:39,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:05:39,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:05:39,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:05:39,976 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:05:39,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:05:39,976 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:05:39,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:05:39,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:05:39,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:05:39,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:05:39,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:05:39,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:05:39,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:05:39,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:05:39,978 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:05:39,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:05:39,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:05:39,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:05:39,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:05:39,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:05:39,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:05:39,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:05:39,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:05:39,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:05:39,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:05:39,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:05:39,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:05:39,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:05:39,981 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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:05:40,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:05:40,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:05:40,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:05:40,464 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:05:40,465 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:05:40,467 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-09-24 19:05:40,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c50ae8e54/d3935544dbaf492eb94c0d85801abe04/FLAGd28a9b22a [2020-09-24 19:05:41,199 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:05:41,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-09-24 19:05:41,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c50ae8e54/d3935544dbaf492eb94c0d85801abe04/FLAGd28a9b22a [2020-09-24 19:05:41,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c50ae8e54/d3935544dbaf492eb94c0d85801abe04 [2020-09-24 19:05:41,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:05:41,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:05:41,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:05:41,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:05:41,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:05:41,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:05:41" (1/1) ... [2020-09-24 19:05:41,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:41, skipping insertion in model container [2020-09-24 19:05:41,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:05:41" (1/1) ... [2020-09-24 19:05:41,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:05:41,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:05:41,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:05:42,017 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:05:42,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:05:42,130 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:05:42,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42 WrapperNode [2020-09-24 19:05:42,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:05:42,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:05:42,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:05:42,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:05:42,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (1/1) ... [2020-09-24 19:05:42,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (1/1) ... [2020-09-24 19:05:42,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (1/1) ... [2020-09-24 19:05:42,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (1/1) ... [2020-09-24 19:05:42,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (1/1) ... [2020-09-24 19:05:42,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (1/1) ... [2020-09-24 19:05:42,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (1/1) ... [2020-09-24 19:05:42,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:05:42,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:05:42,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:05:42,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:05:42,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (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 [2020-09-24 19:05:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:05:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:05:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 19:05:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 19:05:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 19:05:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 19:05:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 19:05:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 19:05:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 19:05:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 19:05:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 19:05:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 19:05:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 19:05:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 19:05:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 19:05:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 19:05:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 19:05:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 19:05:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 19:05:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 19:05:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 19:05:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 19:05:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 19:05:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 19:05:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 19:05:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 19:05:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 19:05:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 19:05:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 19:05:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 19:05:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 19:05:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 19:05:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 19:05:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 19:05:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:05:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 19:05:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 19:05:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 19:05:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 19:05:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 19:05:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 19:05:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:05:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:05:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 19:05:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 19:05:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 19:05:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 19:05:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 19:05:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 19:05:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 19:05:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 19:05:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 19:05:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 19:05:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 19:05:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 19:05:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 19:05:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:05:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 19:05:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 19:05:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 19:05:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 19:05:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 19:05:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 19:05:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 19:05:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 19:05:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 19:05:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 19:05:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 19:05:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 19:05:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 19:05:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 19:05:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 19:05:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 19:05:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 19:05:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 19:05:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 19:05:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:05:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 19:05:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:05:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 19:05:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 19:05:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:05:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 19:05:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:05:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 19:05:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 19:05:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:05:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 19:05:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 19:05:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:05:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 19:05:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 19:05:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 19:05:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:05:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 19:05:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:05:43,451 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:05:43,451 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 19:05:43,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:05:43 BoogieIcfgContainer [2020-09-24 19:05:43,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:05:43,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:05:43,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:05:43,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:05:43,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:05:41" (1/3) ... [2020-09-24 19:05:43,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3150091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:05:43, skipping insertion in model container [2020-09-24 19:05:43,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:05:42" (2/3) ... [2020-09-24 19:05:43,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3150091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:05:43, skipping insertion in model container [2020-09-24 19:05:43,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:05:43" (3/3) ... [2020-09-24 19:05:43,468 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2020-09-24 19:05:43,479 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:05:43,489 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:05:43,510 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:05:43,541 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:05:43,542 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:05:43,542 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:05:43,542 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:05:43,542 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:05:43,542 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:05:43,543 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:05:43,543 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:05:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-24 19:05:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 19:05:43,590 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:43,591 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] [2020-09-24 19:05:43,592 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:43,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:43,600 INFO L82 PathProgramCache]: Analyzing trace with hash 2008725575, now seen corresponding path program 1 times [2020-09-24 19:05:43,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:43,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813962678] [2020-09-24 19:05:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:44,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 19:05:45,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:05:45,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-09-24 19:05:45,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 19:05:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:05:45,466 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:45,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:45,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:45,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:45,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-24 19:05:45,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:45,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:45,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:45,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:45,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:45,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:45,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:45,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:45,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:45,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:05:45,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:45,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:45,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:45,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:45,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:45,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:45,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:45,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:45,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:45,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:45,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 19:05:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:45,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:45,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:45,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:45,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:45,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:45,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 19:05:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:45,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:45,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:45,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:45,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:45,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:45,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:45,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-09-24 19:05:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:05:45,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813962678] [2020-09-24 19:05:45,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:45,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 19:05:45,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068273259] [2020-09-24 19:05:45,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 19:05:45,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:45,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 19:05:45,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:05:45,851 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 4 states. [2020-09-24 19:05:47,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:05:47,779 INFO L93 Difference]: Finished difference Result 451 states and 537 transitions. [2020-09-24 19:05:47,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 19:05:47,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 19:05:47,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:05:47,811 INFO L225 Difference]: With dead ends: 451 [2020-09-24 19:05:47,811 INFO L226 Difference]: Without dead ends: 293 [2020-09-24 19:05:47,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:05:47,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-24 19:05:47,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 243. [2020-09-24 19:05:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 19:05:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 263 transitions. [2020-09-24 19:05:47,988 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 263 transitions. Word has length 148 [2020-09-24 19:05:47,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:05:47,990 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 263 transitions. [2020-09-24 19:05:47,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 19:05:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 263 transitions. [2020-09-24 19:05:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 19:05:48,000 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:48,001 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] [2020-09-24 19:05:48,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:05:48,002 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:48,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:48,010 INFO L82 PathProgramCache]: Analyzing trace with hash -963794546, now seen corresponding path program 1 times [2020-09-24 19:05:48,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:48,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531925031] [2020-09-24 19:05:48,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:48,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 19:05:49,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:05:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-09-24 19:05:49,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 19:05:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:05:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:49,554 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:49,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:49,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:49,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-09-24 19:05:49,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:49,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:49,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:49,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:49,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:49,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:49,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:49,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:49,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:49,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:49,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:49,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:49,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:49,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:49,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:49,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:05:49,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:49,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:49,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:49,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:49,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:49,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:49,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:49,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:49,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:49,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 19:05:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:49,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:49,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:49,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:49,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 19:05:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:49,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:49,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:49,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:49,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:49,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:49,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:49,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:05:49,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531925031] [2020-09-24 19:05:49,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:49,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 19:05:49,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468025745] [2020-09-24 19:05:49,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 19:05:49,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:49,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 19:05:49,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 19:05:49,941 INFO L87 Difference]: Start difference. First operand 243 states and 263 transitions. Second operand 5 states. [2020-09-24 19:05:50,579 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:05:51,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:05:51,443 INFO L93 Difference]: Finished difference Result 370 states and 420 transitions. [2020-09-24 19:05:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 19:05:51,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 19:05:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:05:51,449 INFO L225 Difference]: With dead ends: 370 [2020-09-24 19:05:51,449 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 19:05:51,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:05:51,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 19:05:51,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 233. [2020-09-24 19:05:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-24 19:05:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 250 transitions. [2020-09-24 19:05:51,495 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 250 transitions. Word has length 149 [2020-09-24 19:05:51,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:05:51,496 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 250 transitions. [2020-09-24 19:05:51,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 19:05:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2020-09-24 19:05:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 19:05:51,498 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:51,498 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] [2020-09-24 19:05:51,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:05:51,499 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:51,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:51,499 INFO L82 PathProgramCache]: Analyzing trace with hash 886671675, now seen corresponding path program 1 times [2020-09-24 19:05:51,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:51,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754064572] [2020-09-24 19:05:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:51,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:51,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:52,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:52,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 19:05:52,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:05:52,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1057 [2020-09-24 19:05:52,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 19:05:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:05:52,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,018 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:53,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:53,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-24 19:05:53,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:53,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:53,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:53,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:53,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:53,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:53,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:53,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:05:53,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:53,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:53,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:53,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:53,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:05:53,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:53,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:53,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 19:05:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:53,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:05:53,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:53,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:53,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 19:05:53,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 19:05:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:53,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:53,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 19:05:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:53,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:53,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:53,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:53,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:53,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:53,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:05:53,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754064572] [2020-09-24 19:05:53,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:53,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:05:53,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485695484] [2020-09-24 19:05:53,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:05:53,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:53,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:05:53,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:05:53,390 INFO L87 Difference]: Start difference. First operand 233 states and 250 transitions. Second operand 6 states. [2020-09-24 19:05:54,112 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:05:55,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:05:55,977 INFO L93 Difference]: Finished difference Result 549 states and 644 transitions. [2020-09-24 19:05:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 19:05:55,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 19:05:55,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:05:55,983 INFO L225 Difference]: With dead ends: 549 [2020-09-24 19:05:55,983 INFO L226 Difference]: Without dead ends: 431 [2020-09-24 19:05:55,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:05:55,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-09-24 19:05:56,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 341. [2020-09-24 19:05:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-24 19:05:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 376 transitions. [2020-09-24 19:05:56,052 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 376 transitions. Word has length 162 [2020-09-24 19:05:56,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:05:56,053 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 376 transitions. [2020-09-24 19:05:56,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:05:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 376 transitions. [2020-09-24 19:05:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 19:05:56,056 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:05:56,056 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] [2020-09-24 19:05:56,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:05:56,056 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:05:56,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:05:56,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1756833962, now seen corresponding path program 1 times [2020-09-24 19:05:56,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:05:56,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396200341] [2020-09-24 19:05:56,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:05:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:56,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 19:05:57,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-24 19:05:57,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 19:05:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 19:05:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 19:05:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:57,457 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:05:57,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:05:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:05:57,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-09-24 19:05:57,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:57,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:57,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 19:05:57,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:05:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:57,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:05:57,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:05:57,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:57,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:05:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:57,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:57,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:05:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:57,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:05:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:57,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:05:57,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:05:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:57,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:05:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:05:57,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:57,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:05:57,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:57,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:05:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:05:57,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:57,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:05:57,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:57,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 19:05:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:05:57,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:05:57,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:05:57,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:05:57,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:05:57,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 19:05:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:57,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:05:57,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:05:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:05:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:05:57,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:57,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 19:05:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:05:57,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:05:57,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:05:57,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:05:57,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:05:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:05:57,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:05:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:05:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 19:05:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:05:57,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:05:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:05:58,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396200341] [2020-09-24 19:05:58,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:05:58,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:05:58,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000938471] [2020-09-24 19:05:58,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:05:58,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:05:58,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:05:58,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:05:58,094 INFO L87 Difference]: Start difference. First operand 341 states and 376 transitions. Second operand 10 states. [2020-09-24 19:05:58,681 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:00,307 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:00,656 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 19:06:01,049 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:01,379 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:01,705 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 19:06:02,017 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:02,357 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:02,913 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:04,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:06:04,124 INFO L93 Difference]: Finished difference Result 914 states and 1114 transitions. [2020-09-24 19:06:04,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 19:06:04,125 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 19:06:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:06:04,132 INFO L225 Difference]: With dead ends: 914 [2020-09-24 19:06:04,132 INFO L226 Difference]: Without dead ends: 688 [2020-09-24 19:06:04,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 19:06:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-09-24 19:06:04,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 534. [2020-09-24 19:06:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-09-24 19:06:04,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 599 transitions. [2020-09-24 19:06:04,248 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 599 transitions. Word has length 167 [2020-09-24 19:06:04,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:06:04,249 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 599 transitions. [2020-09-24 19:06:04,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:06:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 599 transitions. [2020-09-24 19:06:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 19:06:04,252 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:06:04,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:06:04,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:06:04,252 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:06:04,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:06:04,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1720162285, now seen corresponding path program 1 times [2020-09-24 19:06:04,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:06:04,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203823858] [2020-09-24 19:06:04,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:06:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:04,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 19:06:05,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:06:05,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-24 19:06:05,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:06:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-09-24 19:06:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 19:06:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,665 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:06:05,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:06:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 19:06:05,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 19:06:05,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:06:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:06:05,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 19:06:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:06:05,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:06:05,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:06:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:06:05,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 19:06:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:06:05,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:06:05,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:06:05,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:06:05,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 19:06:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:06:05,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:06:05,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:06:05,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:06:05,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 19:06:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:06:05,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:06:05,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:06:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:06:05,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 19:06:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:06:05,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:06:05,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:06:05,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:06:05,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 19:06:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:06:05,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:06:05,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:06:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:06:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 19:06:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:06:05,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:06:05,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:06:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:06:05,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 19:06:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:06:05,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:06:05,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:06:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:06:05,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:05,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 19:06:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:06:05,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:06:05,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:06:05,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:06:05,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:06:05,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:06:05,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:06:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:06:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:06:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:06:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:06:06,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:06:06,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203823858] [2020-09-24 19:06:06,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:06:06,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 19:06:06,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166155563] [2020-09-24 19:06:06,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 19:06:06,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:06:06,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 19:06:06,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:06:06,039 INFO L87 Difference]: Start difference. First operand 534 states and 599 transitions. Second operand 11 states. [2020-09-24 19:06:06,780 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:08,474 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 19:06:09,108 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 19:06:09,475 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:09,850 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 19:06:10,159 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:10,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:06:10,756 INFO L93 Difference]: Finished difference Result 986 states and 1205 transitions. [2020-09-24 19:06:10,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 19:06:10,757 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 19:06:10,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:06:10,758 INFO L225 Difference]: With dead ends: 986 [2020-09-24 19:06:10,758 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 19:06:10,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2020-09-24 19:06:10,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 19:06:10,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 19:06:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 19:06:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 19:06:10,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-09-24 19:06:10,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:06:10,763 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 19:06:10,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 19:06:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 19:06:10,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 19:06:10,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:06:10,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 19:06:10,980 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:11,156 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:11,321 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:11,489 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:11,669 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:11,858 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:12,021 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:12,182 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:12,367 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:12,529 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:13,026 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 6 [2020-09-24 19:06:13,351 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 19:06:13,650 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:13,958 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:14,261 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:14,562 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:14,856 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 19:06:15,154 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:15,453 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 19:06:15,749 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 19:06:15,907 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:16,063 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 19:06:16,222 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:16,374 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:16,524 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:16,689 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:16,842 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:16,995 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:17,147 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:17,301 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:17,459 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:17,616 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:17,764 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:17,921 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:18,079 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:18,237 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:18,395 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:18,547 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:18,700 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:18,859 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:19,007 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:19,161 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:19,316 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:19,469 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:19,617 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:19,769 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:19,926 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:20,084 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:20,242 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:20,399 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:20,556 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:20,709 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:20,867 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:21,034 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:21,349 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-24 19:06:21,817 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 6 [2020-09-24 19:06:21,974 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:22,132 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:22,284 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:22,447 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:22,604 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:22,762 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:22,919 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:23,076 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:23,229 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:23,377 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:23,675 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-09-24 19:06:23,966 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 19:06:24,250 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-24 19:06:24,538 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 19:06:24,895 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 190 [2020-09-24 19:06:25,188 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 19:06:25,496 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 19:06:25,850 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 190 [2020-09-24 19:06:26,133 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 19:06:26,416 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 19:06:26,703 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-24 19:06:26,984 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 19:06:27,265 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 19:06:27,546 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 19:06:27,828 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 19:06:28,180 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 190 [2020-09-24 19:06:28,472 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 19:06:28,637 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:28,794 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:28,959 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:29,119 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:29,276 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:29,428 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:29,585 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:30,184 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 6 [2020-09-24 19:06:30,337 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:30,495 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:30,650 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:30,803 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:30,957 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:31,114 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:31,267 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:31,416 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:31,590 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:31,769 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:32,054 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-09-24 19:06:32,207 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:32,365 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:32,523 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:32,680 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:32,840 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:32,998 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:33,150 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:33,299 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 19:06:33,473 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 19:06:33,628 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 19:06:33,781 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:33,933 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 19:06:34,221 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-24 19:06:34,584 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-24 19:06:34,953 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:35,308 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-24 19:06:35,597 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-24 19:06:35,886 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-24 19:06:36,242 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-24 19:06:36,605 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:36,968 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:37,312 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-24 19:06:37,686 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:38,051 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:38,414 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:38,776 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 19:06:39,129 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191