/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:21:07,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:21:07,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:21:07,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:21:07,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:21:07,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:21:07,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:21:07,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:21:07,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:21:07,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:21:07,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:21:07,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:21:07,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:21:07,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:21:07,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:21:07,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:21:07,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:21:07,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:21:07,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:21:07,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:21:07,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:21:07,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:21:07,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:21:07,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:21:07,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:21:07,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:21:07,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:21:07,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:21:07,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:21:07,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:21:07,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:21:07,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:21:07,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:21:07,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:21:07,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:21:07,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:21:07,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:21:07,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:21:07,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:21:07,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:21:07,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:21:07,949 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 [2020-10-14 07:21:07,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:21:07,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:21:07,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:21:07,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:21:07,993 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:21:07,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:21:07,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:21:07,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:21:07,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:21:07,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:21:07,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:21:07,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:21:07,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:21:07,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:21:07,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:21:07,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:21:07,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:21:07,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:21:07,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:21:07,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:21:07,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:21:07,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:21:07,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:21:07,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:21:07,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:21:07,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:21:07,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:21:07,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:21:07,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:21:07,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:21:08,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:21:08,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:21:08,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:21:08,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:21:08,321 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:21:08,321 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-10-14 07:21:08,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8acbcc0c/c3ef6cad5de44662af44c52f9c99bc20/FLAGd919f8bfb [2020-10-14 07:21:08,903 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:21:08,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2020-10-14 07:21:08,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8acbcc0c/c3ef6cad5de44662af44c52f9c99bc20/FLAGd919f8bfb [2020-10-14 07:21:09,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8acbcc0c/c3ef6cad5de44662af44c52f9c99bc20 [2020-10-14 07:21:09,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:21:09,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:21:09,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:21:09,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:21:09,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:21:09,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1631b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09, skipping insertion in model container [2020-10-14 07:21:09,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:21:09,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:21:09,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:21:09,750 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:21:09,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:21:09,880 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:21:09,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09 WrapperNode [2020-10-14 07:21:09,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:21:09,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:21:09,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:21:09,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:21:09,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (1/1) ... [2020-10-14 07:21:09,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:21:09,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:21:09,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:21:09,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:21:09,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:21:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:21:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:21:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:21:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:21:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:21:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:21:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:21:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:21:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:21:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:21:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:21:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:21:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-14 07:21:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-14 07:21:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:21:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:21:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:21:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:21:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:21:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:21:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:21:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-14 07:21:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-14 07:21:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:21:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:21:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:21:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:21:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:21:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:21:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:21:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:21:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:21:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:21:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:21:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:21:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:21:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:21:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:21:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:21:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-14 07:21:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-14 07:21:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-14 07:21:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:21:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:21:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:21:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:21:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:21:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:21:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-14 07:21:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-14 07:21:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:21:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:21:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:21:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:21:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:21:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-14 07:21:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-14 07:21:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:21:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:21:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-14 07:21:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-14 07:21:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-14 07:21:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:21:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:21:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:21:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:21:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:21:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:21:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:21:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:21:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:21:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:21:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-14 07:21:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:21:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:21:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:21:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:21:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:21:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:21:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:21:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:21:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:21:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:21:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:21:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:21:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:21:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:21:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:21:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:21:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:21:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:21:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:21:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:21:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:21:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:21:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:21:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:21:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:21:11,229 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:21:11,230 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:21:11,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:21:11 BoogieIcfgContainer [2020-10-14 07:21:11,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:21:11,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:21:11,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:21:11,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:21:11,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:21:09" (1/3) ... [2020-10-14 07:21:11,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646f2783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:21:11, skipping insertion in model container [2020-10-14 07:21:11,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:21:09" (2/3) ... [2020-10-14 07:21:11,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646f2783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:21:11, skipping insertion in model container [2020-10-14 07:21:11,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:21:11" (3/3) ... [2020-10-14 07:21:11,243 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-10-14 07:21:11,254 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:21:11,261 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:21:11,274 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:21:11,297 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:21:11,297 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:21:11,297 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:21:11,297 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:21:11,298 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:21:11,298 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:21:11,298 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:21:11,299 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:21:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-10-14 07:21:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 07:21:11,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:11,333 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:11,334 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:11,343 INFO L82 PathProgramCache]: Analyzing trace with hash 464701397, now seen corresponding path program 1 times [2020-10-14 07:21:11,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:11,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630428762] [2020-10-14 07:21:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:11,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:12,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 07:21:15,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:21:15,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3726 [2020-10-14 07:21:15,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:21:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-14 07:21:15,858 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:15,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:15,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 07:21:15,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:15,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:15,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:15,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:15,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:15,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:15,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:15,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:15,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:15,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:15,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:15,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:15,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:15,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:21:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:15,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:15,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:21:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:15,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:15,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 07:21:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:15,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:15,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:21:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:15,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:15,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:15,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:15,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:15,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:15,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:15,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:15,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:15,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:21:15,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630428762] [2020-10-14 07:21:15,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:15,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:21:15,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436541375] [2020-10-14 07:21:16,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:21:16,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:16,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:21:16,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:21:16,020 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 4 states. [2020-10-14 07:21:17,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:17,169 INFO L93 Difference]: Finished difference Result 303 states and 389 transitions. [2020-10-14 07:21:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:21:17,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-14 07:21:17,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:17,187 INFO L225 Difference]: With dead ends: 303 [2020-10-14 07:21:17,187 INFO L226 Difference]: Without dead ends: 166 [2020-10-14 07:21:17,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:21:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-14 07:21:17,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 138. [2020-10-14 07:21:17,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-14 07:21:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-10-14 07:21:17,302 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2020-10-14 07:21:17,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:17,302 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-10-14 07:21:17,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:21:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-10-14 07:21:17,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 07:21:17,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:17,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:17,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:21:17,308 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:17,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:17,308 INFO L82 PathProgramCache]: Analyzing trace with hash -103265726, now seen corresponding path program 1 times [2020-10-14 07:21:17,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:17,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507474614] [2020-10-14 07:21:17,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:17,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:17,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:17,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:18,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:20,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:20,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 07:21:20,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:21:20,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3371 [2020-10-14 07:21:20,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:20,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:20,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:20,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:20,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 07:21:20,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:20,988 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:20,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:21,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 07:21:21,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:21:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:21,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:21,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:21:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:21,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:21,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:21:21,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:21,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:21,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:21,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:21,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:21,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:21:21,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:21,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:21,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:21,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:21,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 07:21:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:21,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:21,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:21:21,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:21,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:21,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 07:21:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:21,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:21,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:21,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 07:21:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:21,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:21,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:21,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:21,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:21,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:21,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:21,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:21,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:21,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:21:21,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507474614] [2020-10-14 07:21:21,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:21,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 07:21:21,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152654986] [2020-10-14 07:21:21,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:21:21,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:21,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:21:21,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:21:21,202 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 6 states. [2020-10-14 07:21:21,503 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:22,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:22,223 INFO L93 Difference]: Finished difference Result 276 states and 344 transitions. [2020-10-14 07:21:22,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:21:22,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-10-14 07:21:22,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:22,227 INFO L225 Difference]: With dead ends: 276 [2020-10-14 07:21:22,228 INFO L226 Difference]: Without dead ends: 166 [2020-10-14 07:21:22,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:21:22,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-14 07:21:22,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 138. [2020-10-14 07:21:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-14 07:21:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2020-10-14 07:21:22,272 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 60 [2020-10-14 07:21:22,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:22,273 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2020-10-14 07:21:22,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:21:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2020-10-14 07:21:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-14 07:21:22,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:22,276 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:22,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:21:22,276 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:22,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:22,277 INFO L82 PathProgramCache]: Analyzing trace with hash -745886990, now seen corresponding path program 1 times [2020-10-14 07:21:22,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:22,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044016566] [2020-10-14 07:21:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:22,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:22,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:22,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:23,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:23,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:23,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:24,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:26,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:26,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:21:26,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 07:21:26,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4427 [2020-10-14 07:21:26,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:26,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:26,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 07:21:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:21:26,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:27,022 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:27,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:27,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 07:21:27,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:27,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:27,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:27,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:27,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:27,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:27,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:27,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:27,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:27,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:27,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:27,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:27,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:27,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:27,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:27,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:27,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:21:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:27,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:27,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:27,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:27,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:27,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:27,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:21:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:21:27,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:21:27,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:27,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 07:21:27,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:21:27,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:27,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:27,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:21:27,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 07:21:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:21:27,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:27,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:27,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:21:27,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:27,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 07:21:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:27,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:27,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:27,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:27,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 07:21:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:27,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:27,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:27,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:27,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:27,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:27,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:27,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:27,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:27,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:27,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:27,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:21:27,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044016566] [2020-10-14 07:21:27,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:27,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 07:21:27,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160439436] [2020-10-14 07:21:27,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:21:27,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:27,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:21:27,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:21:27,248 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 7 states. [2020-10-14 07:21:27,602 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:29,075 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:29,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:29,718 INFO L93 Difference]: Finished difference Result 413 states and 540 transitions. [2020-10-14 07:21:29,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 07:21:29,720 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-10-14 07:21:29,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:29,729 INFO L225 Difference]: With dead ends: 413 [2020-10-14 07:21:29,729 INFO L226 Difference]: Without dead ends: 303 [2020-10-14 07:21:29,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-14 07:21:29,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-14 07:21:29,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 242. [2020-10-14 07:21:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-14 07:21:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 291 transitions. [2020-10-14 07:21:29,817 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 291 transitions. Word has length 77 [2020-10-14 07:21:29,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:29,817 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 291 transitions. [2020-10-14 07:21:29,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:21:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 291 transitions. [2020-10-14 07:21:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 07:21:29,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:29,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:29,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:21:29,820 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:29,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:29,821 INFO L82 PathProgramCache]: Analyzing trace with hash 629796580, now seen corresponding path program 1 times [2020-10-14 07:21:29,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:29,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390653041] [2020-10-14 07:21:29,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:29,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:29,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:30,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:30,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:30,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:31,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:34,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:34,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:21:34,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:21:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:21:34,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:34,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:21:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:21:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,097 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:35,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:35,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:21:35,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:35,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:35,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:35,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:35,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:35,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:35,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:35,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:35,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:35,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:35,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:35,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 07:21:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:35,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:35,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 07:21:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:35,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:35,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:21:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:21:35,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:21:35,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 07:21:35,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:21:35,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:35,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:21:35,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:35,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:21:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:21:35,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:35,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:21:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:35,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:35,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 07:21:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:35,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:35,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 07:21:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:35,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:35,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:35,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:35,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:35,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:35,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:35,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:35,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:35,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:35,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:21:35,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390653041] [2020-10-14 07:21:35,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:35,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 07:21:35,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767423321] [2020-10-14 07:21:35,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 07:21:35,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:35,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 07:21:35,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 07:21:35,258 INFO L87 Difference]: Start difference. First operand 242 states and 291 transitions. Second operand 6 states. [2020-10-14 07:21:35,766 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:36,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:36,702 INFO L93 Difference]: Finished difference Result 427 states and 516 transitions. [2020-10-14 07:21:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:21:36,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-10-14 07:21:36,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:36,705 INFO L225 Difference]: With dead ends: 427 [2020-10-14 07:21:36,706 INFO L226 Difference]: Without dead ends: 249 [2020-10-14 07:21:36,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-14 07:21:36,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-14 07:21:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 212. [2020-10-14 07:21:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-14 07:21:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2020-10-14 07:21:36,752 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 87 [2020-10-14 07:21:36,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:36,753 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2020-10-14 07:21:36,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 07:21:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2020-10-14 07:21:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 07:21:36,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:36,755 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:36,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:21:36,755 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:36,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:36,756 INFO L82 PathProgramCache]: Analyzing trace with hash -47194942, now seen corresponding path program 1 times [2020-10-14 07:21:36,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:36,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123568262] [2020-10-14 07:21:36,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:36,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:37,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:37,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:37,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:38,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 07:21:39,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:21:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2317 [2020-10-14 07:21:39,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:21:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 07:21:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:21:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,341 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:39,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:39,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:21:39,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:39,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:39,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:39,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:39,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:39,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:39,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:39,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:39,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:39,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:39,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:39,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:21:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:39,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:39,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:39,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:39,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:39,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:21:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 07:21:39,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:21:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 07:21:39,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:21:39,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:39,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:21:39,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:21:39,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:39,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:21:39,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:39,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:21:39,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:21:39,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 07:21:39,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:21:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:21:39,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:39,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:39,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:39,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:21:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:39,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:39,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:39,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:21:39,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:39,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 07:21:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:39,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:39,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 07:21:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:39,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:39,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:39,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:39,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:39,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:39,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:39,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 07:21:39,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123568262] [2020-10-14 07:21:39,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:39,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:21:39,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400156334] [2020-10-14 07:21:39,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:21:39,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:39,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:21:39,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:21:39,565 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand 9 states. [2020-10-14 07:21:40,023 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:40,714 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:21:41,447 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:41,769 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:21:42,179 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:21:42,416 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 07:21:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:42,996 INFO L93 Difference]: Finished difference Result 438 states and 534 transitions. [2020-10-14 07:21:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 07:21:42,996 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-10-14 07:21:42,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:43,000 INFO L225 Difference]: With dead ends: 438 [2020-10-14 07:21:43,000 INFO L226 Difference]: Without dead ends: 254 [2020-10-14 07:21:43,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:21:43,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-14 07:21:43,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 211. [2020-10-14 07:21:43,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-14 07:21:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 241 transitions. [2020-10-14 07:21:43,040 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 241 transitions. Word has length 91 [2020-10-14 07:21:43,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:43,041 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 241 transitions. [2020-10-14 07:21:43,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:21:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 241 transitions. [2020-10-14 07:21:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 07:21:43,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:43,043 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:43,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:21:43,043 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:43,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:43,044 INFO L82 PathProgramCache]: Analyzing trace with hash -238329201, now seen corresponding path program 1 times [2020-10-14 07:21:43,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:43,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348190864] [2020-10-14 07:21:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:21:43,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-14 07:21:43,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:21:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-14 07:21:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:21:43,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,538 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:43,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:43,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:21:43,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:43,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:43,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:43,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:43,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:43,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:43,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:43,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:43,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:43,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:43,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:21:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:43,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:43,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:43,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:43,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:21:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:21:43,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:21:43,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:21:43,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 07:21:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:21:43,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:21:43,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:21:43,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:21:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 07:21:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:21:43,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:21:43,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:21:43,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:21:43,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:43,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:21:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:21:43,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:43,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:43,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:21:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:43,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:43,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:43,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 07:21:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:43,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:43,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 07:21:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:43,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:43,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:43,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:43,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:43,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:43,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:43,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:21:43,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348190864] [2020-10-14 07:21:43,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:43,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:21:43,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887786378] [2020-10-14 07:21:43,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:21:43,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:43,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:21:43,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:21:43,796 INFO L87 Difference]: Start difference. First operand 211 states and 241 transitions. Second operand 9 states. [2020-10-14 07:21:44,934 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:21:45,164 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:21:45,395 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:45,651 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:21:46,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:46,344 INFO L93 Difference]: Finished difference Result 436 states and 528 transitions. [2020-10-14 07:21:46,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:21:46,349 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-10-14 07:21:46,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:46,354 INFO L225 Difference]: With dead ends: 436 [2020-10-14 07:21:46,354 INFO L226 Difference]: Without dead ends: 253 [2020-10-14 07:21:46,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:21:46,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-14 07:21:46,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 216. [2020-10-14 07:21:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-14 07:21:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2020-10-14 07:21:46,408 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 92 [2020-10-14 07:21:46,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:46,408 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2020-10-14 07:21:46,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:21:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2020-10-14 07:21:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 07:21:46,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:46,410 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:46,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:21:46,410 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:46,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:46,411 INFO L82 PathProgramCache]: Analyzing trace with hash 463270673, now seen corresponding path program 1 times [2020-10-14 07:21:46,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:46,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953830765] [2020-10-14 07:21:46,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:21:46,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 07:21:46,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:46,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 07:21:46,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:46,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:46,860 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:46,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:21:46,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:46,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:46,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:46,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:46,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:46,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:46,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:46,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:46,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:46,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:46,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:46,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:46,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:46,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:46,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:46,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:46,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:46,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:21:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:46,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:46,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:46,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:46,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:46,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:46,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:46,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:21:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:21:46,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:21:46,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:46,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:21:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:46,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:46,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:46,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:46,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:21:46,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:46,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:21:46,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:46,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:21:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:46,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:46,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:47,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:47,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:21:47,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:47,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:21:47,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:47,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:21:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:47,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:47,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:21:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:47,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:47,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:47,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:21:47,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:47,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:47,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:47,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:21:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:21:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:47,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:47,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:47,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:47,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:47,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:47,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:47,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 07:21:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:47,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:47,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:47,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:47,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:47,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:47,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:47,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:47,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 07:21:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:47,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:47,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:47,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:47,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:47,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:47,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:47,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:21:47,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953830765] [2020-10-14 07:21:47,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:47,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:21:47,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939571625] [2020-10-14 07:21:47,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:21:47,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:47,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:21:47,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:21:47,074 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 8 states. [2020-10-14 07:21:48,080 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:48,322 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:48,566 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:21:49,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:49,230 INFO L93 Difference]: Finished difference Result 448 states and 548 transitions. [2020-10-14 07:21:49,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:21:49,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-14 07:21:49,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:49,233 INFO L225 Difference]: With dead ends: 448 [2020-10-14 07:21:49,233 INFO L226 Difference]: Without dead ends: 260 [2020-10-14 07:21:49,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:21:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-14 07:21:49,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 220. [2020-10-14 07:21:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-14 07:21:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 250 transitions. [2020-10-14 07:21:49,269 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 250 transitions. Word has length 92 [2020-10-14 07:21:49,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:49,270 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 250 transitions. [2020-10-14 07:21:49,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:21:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 250 transitions. [2020-10-14 07:21:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 07:21:49,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:49,271 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:49,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:21:49,272 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:49,272 INFO L82 PathProgramCache]: Analyzing trace with hash -2106215726, now seen corresponding path program 1 times [2020-10-14 07:21:49,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:49,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657162269] [2020-10-14 07:21:49,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:49,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:49,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 07:21:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-14 07:21:49,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:49,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:21:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 07:21:49,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:49,977 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:50,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 07:21:50,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:21:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:50,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:50,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:50,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:21:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:50,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:50,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:50,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:21:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:21:50,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:50,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:50,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:21:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:50,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:50,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:50,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:50,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:21:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:50,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:50,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:21:50,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:50,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:50,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:50,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:50,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:50,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:21:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:21:50,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:21:50,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 07:21:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:21:50,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:21:50,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:21:50,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:21:50,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:50,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:21:50,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:50,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:21:50,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:50,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:21:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:21:50,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:50,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:21:50,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:50,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:21:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:50,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:50,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:50,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:50,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 07:21:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:50,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:50,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:50,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:50,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:50,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 07:21:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:50,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:50,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:50,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:50,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:50,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:50,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:50,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:50,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:50,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:21:50,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657162269] [2020-10-14 07:21:50,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:50,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:21:50,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142826986] [2020-10-14 07:21:50,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:21:50,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:50,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:21:50,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:21:50,242 INFO L87 Difference]: Start difference. First operand 220 states and 250 transitions. Second operand 8 states. [2020-10-14 07:21:50,627 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:51,204 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:52,927 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:53,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:21:53,918 INFO L93 Difference]: Finished difference Result 753 states and 953 transitions. [2020-10-14 07:21:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 07:21:53,918 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-14 07:21:53,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:21:53,923 INFO L225 Difference]: With dead ends: 753 [2020-10-14 07:21:53,923 INFO L226 Difference]: Without dead ends: 561 [2020-10-14 07:21:53,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-14 07:21:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-14 07:21:54,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 520. [2020-10-14 07:21:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-10-14 07:21:54,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 617 transitions. [2020-10-14 07:21:54,015 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 617 transitions. Word has length 92 [2020-10-14 07:21:54,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:21:54,015 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 617 transitions. [2020-10-14 07:21:54,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:21:54,015 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 617 transitions. [2020-10-14 07:21:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 07:21:54,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:21:54,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:21:54,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:21:54,017 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:21:54,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:21:54,018 INFO L82 PathProgramCache]: Analyzing trace with hash -302189332, now seen corresponding path program 1 times [2020-10-14 07:21:54,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:21:54,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652802257] [2020-10-14 07:21:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:21:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:54,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:54,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 07:21:55,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:21:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1318 [2020-10-14 07:21:55,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:21:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 07:21:55,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 07:21:55,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,728 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:21:55,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:55,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 07:21:55,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:21:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:55,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:21:55,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:55,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:21:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:55,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:55,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:55,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:55,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:21:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:55,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:55,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:55,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:55,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:21:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:21:55,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:21:55,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:55,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:21:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:55,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:55,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:55,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:55,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:21:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:55,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:21:55,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:21:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 07:21:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:21:55,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:21:55,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:55,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:21:55,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:21:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:55,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:55,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:55,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 07:21:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:21:55,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:21:55,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:21:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:21:55,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:21:55,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:21:55,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:21:55,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:21:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:21:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:21:55,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:21:55,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:21:55,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:21:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:21:55,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:55,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:21:55,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:21:55,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:21:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:55,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:55,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:21:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:55,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:55,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 07:21:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:55,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:21:55,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:21:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:21:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:21:55,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:55,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 07:21:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:21:55,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:21:55,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:21:55,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:21:55,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:21:55,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:21:55,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:21:55,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:21:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:21:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:21:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:21:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:21:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 07:21:56,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652802257] [2020-10-14 07:21:56,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:21:56,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 07:21:56,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31861465] [2020-10-14 07:21:56,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 07:21:56,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:21:56,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 07:21:56,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:21:56,015 INFO L87 Difference]: Start difference. First operand 520 states and 617 transitions. Second operand 12 states. [2020-10-14 07:21:56,574 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:57,389 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:21:57,996 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:21:58,316 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:21:58,572 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:21:58,839 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:21:59,133 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:22:00,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:22:00,477 INFO L93 Difference]: Finished difference Result 1019 states and 1262 transitions. [2020-10-14 07:22:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 07:22:00,478 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-10-14 07:22:00,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:22:00,483 INFO L225 Difference]: With dead ends: 1019 [2020-10-14 07:22:00,483 INFO L226 Difference]: Without dead ends: 597 [2020-10-14 07:22:00,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-14 07:22:00,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-14 07:22:00,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 521. [2020-10-14 07:22:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-10-14 07:22:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 616 transitions. [2020-10-14 07:22:00,571 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 616 transitions. Word has length 96 [2020-10-14 07:22:00,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:22:00,572 INFO L479 AbstractCegarLoop]: Abstraction has 521 states and 616 transitions. [2020-10-14 07:22:00,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 07:22:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 616 transitions. [2020-10-14 07:22:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-14 07:22:00,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:22:00,575 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:22:00,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:22:00,575 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:22:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:22:00,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1029431621, now seen corresponding path program 1 times [2020-10-14 07:22:00,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:22:00,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104776840] [2020-10-14 07:22:00,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:22:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:00,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:00,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:00,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:01,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 07:22:05,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:22:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 07:22:05,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:22:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 07:22:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 07:22:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:05,886 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:22:05,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:22:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:05,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:05,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:05,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:22:05,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:05,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:22:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:05,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:22:05,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:05,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:22:05,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:05,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:05,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:22:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:05,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:22:05,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:05,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:22:05,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:05,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:05,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:22:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:05,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:05,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:05,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:22:05,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:05,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:22:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:05,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:22:05,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:05,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:22:05,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:05,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:22:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:05,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:05,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:05,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:22:05,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:05,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:22:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:05,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:05,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:05,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:22:05,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:05,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:05,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:05,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 07:22:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:05,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:05,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:05,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:22:05,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:05,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:22:05,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:05,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:05,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:05,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:05,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 07:22:05,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:06,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:22:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:22:06,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:22:06,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:22:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:06,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:22:06,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:06,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 07:22:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 07:22:06,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:22:06,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 07:22:06,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:22:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:22:06,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:22:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 07:22:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:06,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:22:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:22:06,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:22:06,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:22:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:22:06,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:22:06,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:22:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:06,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:22:06,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:06,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:22:06,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 07:22:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 07:22:06,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:22:06,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:22:06,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:06,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:22:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:06,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:22:06,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:06,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 07:22:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:22:06,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:22:06,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:22:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:22:06,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:06,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:22:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:06,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:22:06,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:22:06,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:22:06,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:22:06,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 07:22:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:06,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:22:06,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:22:06,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 07:22:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 07:22:06,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:22:06,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:22:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:22:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:22:06,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:22:06,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:22:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:06,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:22:06,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 07:22:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:22:06,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:22:06,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:22:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:22:06,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:22:06,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:22:06,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:22:06,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 07:22:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:06,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:22:06,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:22:06,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-14 07:22:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:22:06,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:22:06,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:22:06,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:22:06,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:22:06,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:22:06,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:22:06,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:22:06,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:22:06,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:22:06,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:22:06,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:22:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 07:22:06,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104776840] [2020-10-14 07:22:06,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:22:06,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 07:22:06,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095216958] [2020-10-14 07:22:06,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 07:22:06,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:22:06,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 07:22:06,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:22:06,315 INFO L87 Difference]: Start difference. First operand 521 states and 616 transitions. Second operand 12 states. [2020-10-14 07:22:07,266 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:22:07,990 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:22:08,270 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:22:08,911 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:22:09,209 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:22:09,973 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:22:10,228 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:22:10,516 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:22:11,038 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-10-14 07:22:11,722 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:22:12,144 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:22:12,709 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-10-14 07:22:13,370 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:22:13,855 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-10-14 07:22:14,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:22:14,231 INFO L93 Difference]: Finished difference Result 1085 states and 1324 transitions. [2020-10-14 07:22:14,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-14 07:22:14,232 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-10-14 07:22:14,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:22:14,233 INFO L225 Difference]: With dead ends: 1085 [2020-10-14 07:22:14,233 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:22:14,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 07:22:14,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:22:14,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:22:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:22:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:22:14,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-10-14 07:22:14,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:22:14,237 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:22:14,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 07:22:14,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:22:14,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:22:14,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:22:14,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:22:14,369 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2020-10-14 07:22:15,734 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-10-14 07:22:17,891 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-10-14 07:22:19,172 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-10-14 07:22:19,522 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 241 [2020-10-14 07:22:20,297 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 22 [2020-10-14 07:22:20,467 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-14 07:22:20,648 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 23 [2020-10-14 07:22:20,939 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-10-14 07:22:21,486 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-10-14 07:22:21,640 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-14 07:22:21,811 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-14 07:22:22,445 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 38 [2020-10-14 07:22:22,848 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2020-10-14 07:22:23,060 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-14 07:22:23,225 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-14 07:22:23,608 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 22 [2020-10-14 07:22:24,170 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-10-14 07:22:24,372 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:22:24,667 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-14 07:22:26,033 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 199 DAG size of output: 39 [2020-10-14 07:22:26,205 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-14 07:22:26,386 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-14 07:22:26,771 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-10-14 07:22:27,332 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-10-14 07:22:28,614 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 34 [2020-10-14 07:22:28,814 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-14 07:22:29,453 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 38 [2020-10-14 07:22:30,693 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 177 DAG size of output: 31 [2020-10-14 07:22:32,030 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 188 DAG size of output: 30 [2020-10-14 07:22:32,240 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-14 07:22:32,961 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 22 [2020-10-14 07:22:33,769 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-10-14 07:22:34,053 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 28 [2020-10-14 07:22:34,233 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-14 07:22:34,417 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-14 07:22:34,956 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-10-14 07:22:35,191 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 20 [2020-10-14 07:22:35,826 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2020-10-14 07:22:36,487 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-14 07:22:36,664 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2020-10-14 07:22:36,818 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-14 07:22:37,002 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-14 07:22:37,161 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-10-14 07:22:38,008 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 41 [2020-10-14 07:22:38,382 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 22 [2020-10-14 07:22:39,122 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 38 [2020-10-14 07:22:39,614 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-10-14 07:22:39,811 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-10-14 07:22:40,003 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-14 07:22:40,185 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-14 07:22:40,190 INFO L268 CegarLoopResult]: For program point L668(lines 645 669) no Hoare annotation was computed. [2020-10-14 07:22:40,190 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 621 676) no Hoare annotation was computed. [2020-10-14 07:22:40,190 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-10-14 07:22:40,190 INFO L268 CegarLoopResult]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2020-10-14 07:22:40,190 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-10-14 07:22:40,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 621 676) no Hoare annotation was computed. [2020-10-14 07:22:40,191 INFO L268 CegarLoopResult]: For program point L646-2(lines 646 667) no Hoare annotation was computed. [2020-10-14 07:22:40,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 621 676) no Hoare annotation was computed. [2020-10-14 07:22:40,191 INFO L268 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-10-14 07:22:40,191 INFO L268 CegarLoopResult]: For program point L703-2(lines 703 728) no Hoare annotation was computed. [2020-10-14 07:22:40,192 INFO L268 CegarLoopResult]: For program point L729(lines 702 730) no Hoare annotation was computed. [2020-10-14 07:22:40,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 677 736) no Hoare annotation was computed. [2020-10-14 07:22:40,192 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-10-14 07:22:40,192 INFO L268 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-10-14 07:22:40,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 677 736) no Hoare annotation was computed. [2020-10-14 07:22:40,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 677 736) no Hoare annotation was computed. [2020-10-14 07:22:40,193 INFO L268 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-10-14 07:22:40,193 INFO L268 CegarLoopResult]: For program point L709-1(lines 709 713) no Hoare annotation was computed. [2020-10-14 07:22:40,193 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2020-10-14 07:22:40,193 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2020-10-14 07:22:40,193 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2020-10-14 07:22:40,193 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2020-10-14 07:22:40,194 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2020-10-14 07:22:40,194 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-10-14 07:22:40,194 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2020-10-14 07:22:40,194 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2020-10-14 07:22:40,194 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2 .cse6) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2 .cse6))) [2020-10-14 07:22:40,194 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2020-10-14 07:22:40,195 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2020-10-14 07:22:40,195 INFO L268 CegarLoopResult]: For program point L949(line 949) no Hoare annotation was computed. [2020-10-14 07:22:40,195 INFO L268 CegarLoopResult]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2020-10-14 07:22:40,195 INFO L271 CegarLoopResult]: At program point L960(line 960) the Hoare annotation is: true [2020-10-14 07:22:40,195 INFO L268 CegarLoopResult]: For program point L960-1(line 960) no Hoare annotation was computed. [2020-10-14 07:22:40,195 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2020-10-14 07:22:40,195 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2020-10-14 07:22:40,195 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (let ((.cse2 (not (= 2 ~waterLevel~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse5 .cse4))) [2020-10-14 07:22:40,196 INFO L268 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2020-10-14 07:22:40,196 INFO L268 CegarLoopResult]: For program point L966(lines 966 976) no Hoare annotation was computed. [2020-10-14 07:22:40,196 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-10-14 07:22:40,196 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-10-14 07:22:40,196 INFO L268 CegarLoopResult]: For program point L962(lines 962 979) no Hoare annotation was computed. [2020-10-14 07:22:40,196 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 510 532) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,196 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2020-10-14 07:22:40,196 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2020-10-14 07:22:40,197 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,197 INFO L264 CegarLoopResult]: At program point L522-1(line 522) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,197 INFO L268 CegarLoopResult]: For program point L520(lines 520 527) no Hoare annotation was computed. [2020-10-14 07:22:40,197 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2020-10-14 07:22:40,197 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 07:22:40,197 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,197 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,197 INFO L264 CegarLoopResult]: At program point L516-1(line 516) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,197 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-14 07:22:40,197 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-14 07:22:40,197 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 464 487) no Hoare annotation was computed. [2020-10-14 07:22:40,197 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 464 487) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 464 487) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 07:22:40,198 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L271 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: true [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point L239-1(line 239) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point L184(lines 184 192) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-14 07:22:40,199 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 177 212) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 177 212) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 575 620) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 575 620) no Hoare annotation was computed. [2020-10-14 07:22:40,200 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 575 620) no Hoare annotation was computed. [2020-10-14 07:22:40,201 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 888 933) no Hoare annotation was computed. [2020-10-14 07:22:40,201 INFO L268 CegarLoopResult]: For program point L908(lines 908 915) no Hoare annotation was computed. [2020-10-14 07:22:40,201 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 888 933) no Hoare annotation was computed. [2020-10-14 07:22:40,201 INFO L268 CegarLoopResult]: For program point L902(lines 902 922) no Hoare annotation was computed. [2020-10-14 07:22:40,201 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 888 933) no Hoare annotation was computed. [2020-10-14 07:22:40,201 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 922) no Hoare annotation was computed. [2020-10-14 07:22:40,201 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,201 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2020-10-14 07:22:40,201 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2020-10-14 07:22:40,202 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-10-14 07:22:40,202 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-10-14 07:22:40,202 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 157 167) no Hoare annotation was computed. [2020-10-14 07:22:40,202 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2020-10-14 07:22:40,202 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 157 167) no Hoare annotation was computed. [2020-10-14 07:22:40,202 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 07:22:40,202 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-14 07:22:40,202 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2020-10-14 07:22:40,202 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2020-10-14 07:22:40,202 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2020-10-14 07:22:40,203 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-10-14 07:22:40,203 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2020-10-14 07:22:40,203 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2020-10-14 07:22:40,203 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-14 07:22:40,203 INFO L268 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-10-14 07:22:40,203 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-14 07:22:40,203 INFO L268 CegarLoopResult]: For program point L122-1(line 122) no Hoare annotation was computed. [2020-10-14 07:22:40,203 INFO L268 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-10-14 07:22:40,203 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2020-10-14 07:22:40,203 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3))) [2020-10-14 07:22:40,204 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2020-10-14 07:22:40,204 INFO L268 CegarLoopResult]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2020-10-14 07:22:40,204 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-14 07:22:40,204 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2020-10-14 07:22:40,204 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2020-10-14 07:22:40,204 INFO L264 CegarLoopResult]: At program point testENTRY(lines 255 318) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,204 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse3 .cse5) (and .cse7 .cse0 .cse1 .cse8 .cse2 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse8 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4) (not .cse1) (and .cse6 .cse7 .cse0))) [2020-10-14 07:22:40,204 INFO L268 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-10-14 07:22:40,204 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2020-10-14 07:22:40,204 INFO L268 CegarLoopResult]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2020-10-14 07:22:40,205 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (and .cse3 .cse0 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse5) (not .cse1) (and .cse3 (= 2 ~waterLevel~0) .cse0))) [2020-10-14 07:22:40,205 INFO L264 CegarLoopResult]: At program point L308(lines 265 310) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (and .cse3 .cse0 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse5) (not .cse1) (and .cse3 (= 2 ~waterLevel~0) .cse0))) [2020-10-14 07:22:40,205 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-10-14 07:22:40,205 INFO L268 CegarLoopResult]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2020-10-14 07:22:40,205 INFO L268 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-10-14 07:22:40,205 INFO L264 CegarLoopResult]: At program point L311(lines 264 312) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:22:40,205 INFO L268 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-10-14 07:22:40,205 INFO L264 CegarLoopResult]: At program point L301-2(lines 295 306) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (<= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse7 .cse0 .cse3 .cse5) (and .cse8 .cse0 .cse1 .cse6 .cse2 .cse4) (not .cse1) (and .cse7 .cse8 .cse0))) [2020-10-14 07:22:40,205 INFO L268 CegarLoopResult]: For program point L266(lines 265 310) no Hoare annotation was computed. [2020-10-14 07:22:40,205 INFO L268 CegarLoopResult]: For program point L295(lines 295 306) no Hoare annotation was computed. [2020-10-14 07:22:40,205 INFO L268 CegarLoopResult]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2020-10-14 07:22:40,205 INFO L268 CegarLoopResult]: For program point L862(lines 862 869) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 842 887) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point L856(lines 856 876) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point L856-1(lines 856 876) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 842 887) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 842 887) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 368 390) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point L376(lines 376 384) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 368 390) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 368 390) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 535 544) no Hoare annotation was computed. [2020-10-14 07:22:40,206 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 535 544) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 535 544) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point L768(lines 768 784) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 739 841) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point L789(lines 788 808) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point L785(lines 785 826) no Hoare annotation was computed. [2020-10-14 07:22:40,207 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 739 841) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point L763(lines 763 767) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point L827(lines 827 838) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point L788-2(lines 788 808) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 739 841) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point L809(lines 787 810) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:22:40,208 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point L222(lines 222 226) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L271 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: true [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point L220-1(line 220) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2020-10-14 07:22:40,209 INFO L268 CegarLoopResult]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2020-10-14 07:22:40,210 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: (let ((.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (<= ~waterLevel~0 1)) .cse5) (or .cse4 (not (<= ~waterLevel~0 2)) .cse1 .cse3 .cse5))) [2020-10-14 07:22:40,210 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2020-10-14 07:22:40,210 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:22:40,210 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:22:40,210 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:22:40,210 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 359 367) no Hoare annotation was computed. [2020-10-14 07:22:40,210 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 359 367) no Hoare annotation was computed. [2020-10-14 07:22:40,210 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 359 367) no Hoare annotation was computed. [2020-10-14 07:22:40,211 INFO L264 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: (let ((.cse1 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5) .cse1 .cse6 .cse2) (or (not (< 1 |old(~waterLevel~0)|)) .cse0 .cse2 .cse3) (or .cse6 (and (= 2 ~waterLevel~0) .cse4 .cse5) (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3))) [2020-10-14 07:22:40,211 INFO L268 CegarLoopResult]: For program point L62(lines 58 80) no Hoare annotation was computed. [2020-10-14 07:22:40,211 INFO L268 CegarLoopResult]: For program point L60(lines 58 80) no Hoare annotation was computed. [2020-10-14 07:22:40,211 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and (= 2 ~waterLevel~0) .cse8 .cse9)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse8 .cse9)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4) (or .cse5 .cse1 .cse7 .cse6 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse3 .cse4)))) [2020-10-14 07:22:40,211 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2020-10-14 07:22:40,211 INFO L264 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse8 .cse4))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (and (<= ~waterLevel~0 1) .cse3 .cse4) .cse5 .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse0) (or (and .cse3 (<= ~waterLevel~0 2) .cse4) .cse6 .cse7 .cse0) (or .cse7 .cse0 .cse1 (and (= 2 ~waterLevel~0) .cse8 .cse4)) (or (not (<= |old(~waterLevel~0)| 2)) .cse5 .cse0 .cse1 .cse2)))) [2020-10-14 07:22:40,211 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2020-10-14 07:22:40,212 INFO L264 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse3 (and (<= 1 ~pumpRunning~0) .cse15 .cse5 .cse14)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse15 .cse6 .cse7)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not .cse14))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 (and .cse5 .cse6 .cse7)) (or .cse8 .cse3 .cse9 .cse0 .cse1 .cse2) (or (and .cse10 .cse7) .cse8 (and .cse11 .cse6) .cse9 .cse12 .cse0) (or (<= ~waterLevel~0 1) .cse9 .cse12 (not (<= |old(~waterLevel~0)| 1)) .cse0) (let ((.cse13 (<= ~waterLevel~0 2))) (or (and .cse10 .cse13 .cse7) .cse12 (and .cse11 .cse6 .cse13) .cse4 .cse0))))) [2020-10-14 07:22:40,212 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-10-14 07:22:40,212 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2020-10-14 07:22:40,212 INFO L271 CegarLoopResult]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2020-10-14 07:22:40,212 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-14 07:22:40,212 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2020-10-14 07:22:40,212 INFO L271 CegarLoopResult]: At program point L444-2(lines 444 458) the Hoare annotation is: true [2020-10-14 07:22:40,212 INFO L271 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: true [2020-10-14 07:22:40,213 INFO L268 CegarLoopResult]: For program point L440-1(line 440) no Hoare annotation was computed. [2020-10-14 07:22:40,213 INFO L271 CegarLoopResult]: At program point L459(lines 434 463) the Hoare annotation is: true [2020-10-14 07:22:40,213 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 07:22:40,213 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (= 2 ~waterLevel~0) (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2))) [2020-10-14 07:22:40,213 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2020-10-14 07:22:40,213 INFO L268 CegarLoopResult]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2020-10-14 07:22:40,213 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2020-10-14 07:22:40,213 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2020-10-14 07:22:40,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:22:40,213 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-14 07:22:40,213 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:22:40,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:22:40,213 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3))) [2020-10-14 07:22:40,214 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2020-10-14 07:22:40,214 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-10-14 07:22:40,214 INFO L268 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-10-14 07:22:40,214 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2020-10-14 07:22:40,214 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))) [2020-10-14 07:22:40,214 INFO L268 CegarLoopResult]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2020-10-14 07:22:40,214 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (< 0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~0 1))) .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2020-10-14 07:22:40,214 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 2)) .cse1) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1))))) [2020-10-14 07:22:40,214 INFO L268 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-10-14 07:22:40,214 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2020-10-14 07:22:40,214 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse1 .cse3))) [2020-10-14 07:22:40,214 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2020-10-14 07:22:40,215 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2020-10-14 07:22:40,215 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2020-10-14 07:22:40,215 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2020-10-14 07:22:40,215 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2020-10-14 07:22:40,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:22:40 BoogieIcfgContainer [2020-10-14 07:22:40,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:22:40,235 INFO L168 Benchmark]: Toolchain (without parser) took 91003.29 ms. Allocated memory was 146.3 MB in the beginning and 1.0 GB in the end (delta: 883.9 MB). Free memory was 101.4 MB in the beginning and 611.4 MB in the end (delta: -510.0 MB). Peak memory consumption was 886.1 MB. Max. memory is 7.1 GB. [2020-10-14 07:22:40,235 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:22:40,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.13 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 101.4 MB in the beginning and 171.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:22:40,237 INFO L168 Benchmark]: Boogie Preprocessor took 85.85 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 166.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-14 07:22:40,237 INFO L168 Benchmark]: RCFGBuilder took 1268.41 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 195.3 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:22:40,238 INFO L168 Benchmark]: TraceAbstraction took 88996.49 ms. Allocated memory was 235.4 MB in the beginning and 1.0 GB in the end (delta: 794.8 MB). Free memory was 195.3 MB in the beginning and 611.4 MB in the end (delta: -416.1 MB). Peak memory consumption was 890.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:22:40,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.13 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 101.4 MB in the beginning and 171.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.85 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 166.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1268.41 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 195.3 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 88996.49 ms. Allocated memory was 235.4 MB in the beginning and 1.0 GB in the end (delta: 794.8 MB). Free memory was 195.3 MB in the beginning and 611.4 MB in the end (delta: -416.1 MB). Peak memory consumption was 890.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || !(0 <= \old(pumpRunning))) || (((((waterLevel == 1 && splverifierCounter <= 0) && 1 == systemActive) && switchedOnBeforeTS == \old(switchedOnBeforeTS)) && pumpRunning == 0) && \old(methaneLevelCritical) == methaneLevelCritical)) || (((1 <= pumpRunning && splverifierCounter <= 0) && waterLevel <= 2) && pumpRunning <= switchedOnBeforeTS)) || ((((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0) && waterLevel <= 2) && pumpRunning <= switchedOnBeforeTS)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter <= 0) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 62.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 30.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1478 SDtfs, 2888 SDslu, 1585 SDs, 0 SdLazy, 6202 SolverSat, 1893 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 501 GetRequests, 342 SyntacticMatches, 1 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=521occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 391 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1151 PreInvPairs, 1259 NumberOfFragments, 2252 HoareAnnotationTreeSize, 1151 FomulaSimplifications, 41044842 FormulaSimplificationTreeSizeReduction, 5.3s HoareSimplificationTime, 61 FomulaSimplificationsInter, 416762 FormulaSimplificationTreeSizeReductionInter, 20.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 903 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 893 ConstructedInterpolants, 0 QuantifiedInterpolants, 305519 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...