/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:41:02,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:41:02,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:41:02,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:41:03,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:41:03,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:41:03,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:41:03,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:41:03,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:41:03,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:41:03,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:41:03,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:41:03,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:41:03,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:41:03,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:41:03,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:41:03,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:41:03,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:41:03,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:41:03,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:41:03,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:41:03,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:41:03,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:41:03,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:41:03,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:41:03,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:41:03,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:41:03,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:41:03,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:41:03,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:41:03,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:41:03,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:41:03,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:41:03,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:41:03,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:41:03,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:41:03,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:41:03,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:41:03,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:41:03,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:41:03,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:41:03,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 07:41:03,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:41:03,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:41:03,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:41:03,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:41:03,087 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:41:03,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:41:03,088 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:41:03,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:41:03,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:41:03,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:41:03,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:41:03,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:41:03,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:41:03,089 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:41:03,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:41:03,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:41:03,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:41:03,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:41:03,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:41:03,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:41:03,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:41:03,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:41:03,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:41:03,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:41:03,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:41:03,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:41:03,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:41:03,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:41:03,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:41:03,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:41:03,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:41:03,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:41:03,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:41:03,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:41:03,563 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:41:03,564 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-25 07:41:03,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe4a0d58b/f1fc72ed670c40cf9d3d08d535522d54/FLAGc9f1e537f [2020-09-25 07:41:04,251 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:41:04,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-25 07:41:04,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe4a0d58b/f1fc72ed670c40cf9d3d08d535522d54/FLAGc9f1e537f [2020-09-25 07:41:04,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe4a0d58b/f1fc72ed670c40cf9d3d08d535522d54 [2020-09-25 07:41:04,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:41:04,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:41:04,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:41:04,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:41:04,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:41:04,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:41:04" (1/1) ... [2020-09-25 07:41:04,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6665a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:04, skipping insertion in model container [2020-09-25 07:41:04,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:41:04" (1/1) ... [2020-09-25 07:41:04,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:41:04,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:41:05,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:41:05,192 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:41:05,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:41:05,313 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:41:05,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05 WrapperNode [2020-09-25 07:41:05,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:41:05,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:41:05,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:41:05,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:41:05,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (1/1) ... [2020-09-25 07:41:05,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (1/1) ... [2020-09-25 07:41:05,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (1/1) ... [2020-09-25 07:41:05,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (1/1) ... [2020-09-25 07:41:05,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (1/1) ... [2020-09-25 07:41:05,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (1/1) ... [2020-09-25 07:41:05,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (1/1) ... [2020-09-25 07:41:05,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:41:05,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:41:05,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:41:05,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:41:05,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:41:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:41:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:41:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:41:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:41:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:41:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:41:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:41:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:41:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:41:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 07:41:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:41:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:41:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:41:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:41:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 07:41:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:41:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 07:41:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:41:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:41:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:41:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:41:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:41:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 07:41:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:41:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:41:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:41:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:41:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:41:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:41:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:41:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:41:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:41:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 07:41:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 07:41:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 07:41:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:41:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:41:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:41:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:41:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:41:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:41:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:41:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:41:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:41:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:41:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:41:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:41:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:41:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:41:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:41:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:41:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:41:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:41:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 07:41:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:41:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:41:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:41:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:41:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:41:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:41:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:41:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:41:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:41:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:41:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 07:41:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 07:41:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:41:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:41:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 07:41:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 07:41:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:41:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 07:41:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:41:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:41:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:41:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:41:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:41:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:41:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:41:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:41:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:41:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:41:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:41:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:41:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:41:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:41:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:41:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:41:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:41:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:41:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 07:41:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:41:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:41:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:41:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:41:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:41:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:41:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:41:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:41:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:41:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:41:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:41:06,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:41:06,852 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:41:06,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:41:06 BoogieIcfgContainer [2020-09-25 07:41:06,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:41:06,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:41:06,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:41:06,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:41:06,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:41:04" (1/3) ... [2020-09-25 07:41:06,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ba761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:41:06, skipping insertion in model container [2020-09-25 07:41:06,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:41:05" (2/3) ... [2020-09-25 07:41:06,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ba761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:41:06, skipping insertion in model container [2020-09-25 07:41:06,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:41:06" (3/3) ... [2020-09-25 07:41:06,869 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2020-09-25 07:41:06,879 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:41:06,889 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:41:06,906 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:41:06,936 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:41:06,937 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:41:06,937 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:41:06,937 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:41:06,937 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:41:06,937 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:41:06,937 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:41:06,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:41:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2020-09-25 07:41:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 07:41:06,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:41:06,986 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:41:06,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:41:06,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:41:06,994 INFO L82 PathProgramCache]: Analyzing trace with hash 361389502, now seen corresponding path program 1 times [2020-09-25 07:41:07,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:41:07,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819170503] [2020-09-25 07:41:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:41:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:07,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:09,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 07:41:12,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:41:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 07:41:12,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 07:41:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 07:41:12,743 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:41:12,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:41:12,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 07:41:12,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:12,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:41:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:12,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:12,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:12,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:41:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:12,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:12,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:12,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:41:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:12,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:41:12,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:12,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:41:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:12,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:12,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:12,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:12,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:12,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:12,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:12,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:12,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:12,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:13,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:41:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:13,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:13,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:13,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:13,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:13,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:13,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:13,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:41:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:13,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:13,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:13,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:41:13,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:13,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:41:13,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:13,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:41:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:13,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:13,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:13,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:13,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:13,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:13,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:13,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:13,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:13,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:13,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:13,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:13,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 07:41:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:13,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:13,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:13,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:13,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:13,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:13,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:13,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:13,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:41:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:13,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:13,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:13,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:13,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:13,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:13,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:13,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:13,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 07:41:13,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819170503] [2020-09-25 07:41:13,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:41:13,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:41:13,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964627357] [2020-09-25 07:41:13,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:41:13,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:41:13,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:41:13,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:41:13,146 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 4 states. [2020-09-25 07:41:14,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:41:14,639 INFO L93 Difference]: Finished difference Result 568 states and 662 transitions. [2020-09-25 07:41:14,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 07:41:14,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 07:41:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:41:14,673 INFO L225 Difference]: With dead ends: 568 [2020-09-25 07:41:14,674 INFO L226 Difference]: Without dead ends: 351 [2020-09-25 07:41:14,684 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 [2020-09-25 07:41:14,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-25 07:41:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 302. [2020-09-25 07:41:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-09-25 07:41:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 329 transitions. [2020-09-25 07:41:14,891 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 329 transitions. Word has length 160 [2020-09-25 07:41:14,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:41:14,894 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 329 transitions. [2020-09-25 07:41:14,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:41:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 329 transitions. [2020-09-25 07:41:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:41:14,908 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:41:14,909 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:41:14,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:41:14,910 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:41:14,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:41:14,910 INFO L82 PathProgramCache]: Analyzing trace with hash 424052501, now seen corresponding path program 1 times [2020-09-25 07:41:14,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:41:14,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872957394] [2020-09-25 07:41:14,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:41:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:15,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:16,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:17,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:18,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:19,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:19,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 07:41:19,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:41:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 07:41:19,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:19,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:19,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 07:41:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:41:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,364 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:41:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:41:20,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 07:41:20,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:41:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:20,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:20,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:41:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:20,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:20,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:41:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:20,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:41:20,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:41:20,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:41:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:20,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:20,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:41:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:20,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:20,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:41:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:41:20,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:20,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:41:20,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:20,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:20,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 07:41:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:20,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:20,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 07:41:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:20,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:20,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:20,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:20,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:20,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:20,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:20,633 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 07:41:20,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872957394] [2020-09-25 07:41:20,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:41:20,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:41:20,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111984981] [2020-09-25 07:41:20,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:41:20,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:41:20,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:41:20,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:41:20,638 INFO L87 Difference]: Start difference. First operand 302 states and 329 transitions. Second operand 5 states. [2020-09-25 07:41:21,299 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:41:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:41:22,471 INFO L93 Difference]: Finished difference Result 491 states and 550 transitions. [2020-09-25 07:41:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:41:22,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 07:41:22,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:41:22,477 INFO L225 Difference]: With dead ends: 491 [2020-09-25 07:41:22,477 INFO L226 Difference]: Without dead ends: 340 [2020-09-25 07:41:22,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:41:22,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-25 07:41:22,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 292. [2020-09-25 07:41:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-09-25 07:41:22,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 316 transitions. [2020-09-25 07:41:22,545 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 316 transitions. Word has length 161 [2020-09-25 07:41:22,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:41:22,546 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 316 transitions. [2020-09-25 07:41:22,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:41:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 316 transitions. [2020-09-25 07:41:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 07:41:22,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:41:22,549 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:41:22,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:41:22,549 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:41:22,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:41:22,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1113060057, now seen corresponding path program 1 times [2020-09-25 07:41:22,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:41:22,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117145145] [2020-09-25 07:41:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:41:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:22,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:23,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:24,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:27,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:27,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-25 07:41:27,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:41:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 07:41:27,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:27,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:41:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 07:41:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-25 07:41:27,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,003 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:41:28,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:41:28,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-25 07:41:28,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:28,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 07:41:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:41:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:28,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:28,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:41:28,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:41:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:28,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:28,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:41:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:41:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:28,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:41:28,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:41:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:41:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:28,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:28,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:41:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:41:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:28,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:28,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:41:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:41:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:41:28,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:41:28,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:41:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:28,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:28,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:28,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:28,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:41:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 07:41:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:28,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:28,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:28,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:28,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:28,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:28,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:28,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 07:41:28,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117145145] [2020-09-25 07:41:28,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:41:28,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:41:28,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470543802] [2020-09-25 07:41:28,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:41:28,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:41:28,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:41:28,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:41:28,552 INFO L87 Difference]: Start difference. First operand 292 states and 316 transitions. Second operand 5 states. [2020-09-25 07:41:29,010 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:41:31,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:41:31,050 INFO L93 Difference]: Finished difference Result 704 states and 798 transitions. [2020-09-25 07:41:31,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:41:31,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-25 07:41:31,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:41:31,056 INFO L225 Difference]: With dead ends: 704 [2020-09-25 07:41:31,056 INFO L226 Difference]: Without dead ends: 527 [2020-09-25 07:41:31,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:41:31,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-09-25 07:41:31,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 463. [2020-09-25 07:41:31,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-09-25 07:41:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 512 transitions. [2020-09-25 07:41:31,122 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 512 transitions. Word has length 170 [2020-09-25 07:41:31,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:41:31,122 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 512 transitions. [2020-09-25 07:41:31,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:41:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 512 transitions. [2020-09-25 07:41:31,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 07:41:31,126 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:41:31,126 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:41:31,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:41:31,126 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:41:31,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:41:31,127 INFO L82 PathProgramCache]: Analyzing trace with hash 697473327, now seen corresponding path program 1 times [2020-09-25 07:41:31,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:41:31,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276729039] [2020-09-25 07:41:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:41:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:31,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:31,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:31,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:33,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:36,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:36,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 07:41:36,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:41:36,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 07:41:36,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:36,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:41:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 07:41:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 07:41:36,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:36,751 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:41:36,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:36,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:36,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:36,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:41:36,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:36,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 07:41:36,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:36,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:36,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:41:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:36,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:36,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:36,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:36,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:36,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:36,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:36,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:36,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:36,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:36,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:36,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:41:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:36,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:36,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:36,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:36,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:36,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:36,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:36,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:36,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:41:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:36,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:36,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:36,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:36,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:36,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:41:36,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:36,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:36,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:36,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:36,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:41:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:36,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:36,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:36,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:36,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:36,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:36,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:36,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:36,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:36,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:36,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:41:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:37,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:37,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:37,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:37,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:37,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:37,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:37,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:37,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:37,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:37,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:37,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:37,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 07:41:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:37,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:37,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:37,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:41:37,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:41:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:37,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:41:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:37,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:41:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:37,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:37,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:37,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:41:37,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 07:41:37,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:37,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:41:37,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:37,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:37,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:37,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:37,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:37,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:37,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:37,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:37,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:37,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 07:41:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:37,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:37,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:37,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:37,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:37,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:37,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:37,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:41:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:41:37,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:37,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 07:41:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:37,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:37,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:37,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:37,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:41:37,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:37,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:37,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:41:37,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:37,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:41:37,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 07:41:37,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276729039] [2020-09-25 07:41:37,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:41:37,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 07:41:37,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285467100] [2020-09-25 07:41:37,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 07:41:37,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:41:37,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 07:41:37,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 07:41:37,203 INFO L87 Difference]: Start difference. First operand 463 states and 512 transitions. Second operand 10 states. [2020-09-25 07:41:37,924 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:41:38,728 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:41:39,041 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 07:41:40,461 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:41:40,752 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:41:41,120 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 07:41:41,760 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:41:42,116 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 07:41:42,417 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 07:41:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:41:43,086 INFO L93 Difference]: Finished difference Result 1078 states and 1273 transitions. [2020-09-25 07:41:43,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 07:41:43,087 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 07:41:43,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:41:43,093 INFO L225 Difference]: With dead ends: 1078 [2020-09-25 07:41:43,093 INFO L226 Difference]: Without dead ends: 730 [2020-09-25 07:41:43,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 07:41:43,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2020-09-25 07:41:43,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 647. [2020-09-25 07:41:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-09-25 07:41:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 726 transitions. [2020-09-25 07:41:43,183 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 726 transitions. Word has length 179 [2020-09-25 07:41:43,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:41:43,184 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 726 transitions. [2020-09-25 07:41:43,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 07:41:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 726 transitions. [2020-09-25 07:41:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 07:41:43,188 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:41:43,188 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:41:43,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:41:43,188 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:41:43,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:41:43,189 INFO L82 PathProgramCache]: Analyzing trace with hash -585097851, now seen corresponding path program 1 times [2020-09-25 07:41:43,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:41:43,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551058502] [2020-09-25 07:41:43,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:41:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:43,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:43,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:43,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 07:41:43,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:43,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-09-25 07:41:43,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:43,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:41:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 07:41:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:41:43,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,161 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:41:44,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:41:44,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 07:41:44,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:41:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:44,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:44,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:41:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:44,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:44,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:41:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:44,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:44,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:41:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:44,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:44,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:41:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:44,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:44,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:41:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:41:44,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:44,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:44,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:44,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:41:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 07:41:44,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 07:41:44,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:41:44,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 07:41:44,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:41:44,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:41:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 07:41:44,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 07:41:44,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:41:44,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:41:44,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:41:44,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:41:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 07:41:44,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 07:41:44,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:41:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 07:41:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:41:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:41:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:41:44,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:41:44,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 07:41:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:41:44,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 07:41:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 07:41:44,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 07:41:44,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 07:41:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:41:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 07:41:44,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:44,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:41:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:44,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:44,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 07:41:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:44,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 07:41:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:44,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:44,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 07:41:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:44,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:44,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:44,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:44,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:44,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:44,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:44,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:44,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 07:41:44,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551058502] [2020-09-25 07:41:44,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:41:44,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:41:44,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455259118] [2020-09-25 07:41:44,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:41:44,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:41:44,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:41:44,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:41:44,771 INFO L87 Difference]: Start difference. First operand 647 states and 726 transitions. Second operand 9 states. [2020-09-25 07:41:46,059 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:41:46,358 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:41:46,673 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:41:47,003 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:41:47,294 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:41:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:41:48,560 INFO L93 Difference]: Finished difference Result 1297 states and 1532 transitions. [2020-09-25 07:41:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 07:41:48,563 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-25 07:41:48,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:41:48,571 INFO L225 Difference]: With dead ends: 1297 [2020-09-25 07:41:48,572 INFO L226 Difference]: Without dead ends: 765 [2020-09-25 07:41:48,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 07:41:48,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2020-09-25 07:41:48,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 662. [2020-09-25 07:41:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-09-25 07:41:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 742 transitions. [2020-09-25 07:41:48,660 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 742 transitions. Word has length 230 [2020-09-25 07:41:48,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:41:48,661 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 742 transitions. [2020-09-25 07:41:48,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:41:48,661 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 742 transitions. [2020-09-25 07:41:48,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 07:41:48,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:41:48,665 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:41:48,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 07:41:48,665 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:41:48,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:41:48,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1252844251, now seen corresponding path program 1 times [2020-09-25 07:41:48,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:41:48,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228213839] [2020-09-25 07:41:48,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:41:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:48,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:49,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:49,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 07:41:49,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:49,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-09-25 07:41:49,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:49,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:49,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:41:49,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 07:41:49,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:41:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:49,852 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:41:49,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:49,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:49,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:49,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:41:49,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 07:41:49,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:49,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:41:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:49,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:49,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:49,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:49,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:49,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:49,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:49,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:49,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:41:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:49,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:49,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:49,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:49,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:49,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:49,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:49,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:41:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:49,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:49,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:49,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:49,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:41:49,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:49,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:49,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:49,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:41:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:49,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:49,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:49,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:41:49,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:49,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:49,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:49,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:49,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:49,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:49,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:49,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:49,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:41:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:49,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:49,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:49,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:49,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:49,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:49,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:49,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:49,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:41:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:41:50,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:50,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:50,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:41:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:50,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:50,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:50,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:41:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 07:41:50,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 07:41:50,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:41:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 07:41:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:41:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:50,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:41:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 07:41:50,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 07:41:50,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:41:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 07:41:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 07:41:50,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:50,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:41:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 07:41:50,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 07:41:50,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:41:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 07:41:50,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:50,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 07:41:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:41:50,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:41:50,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:50,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 07:41:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 07:41:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 07:41:50,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 07:41:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:41:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 07:41:50,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:50,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:41:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:50,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:41:50,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:50,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 07:41:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:41:50,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:50,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:41:50,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:41:50,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 07:41:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:50,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:50,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:50,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 07:41:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:41:50,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:41:50,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:41:50,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:41:50,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:41:50,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:41:50,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:41:50,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:41:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:41:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:41:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:41:50,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:41:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 07:41:50,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228213839] [2020-09-25 07:41:50,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:41:50,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 07:41:50,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017626769] [2020-09-25 07:41:50,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 07:41:50,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:41:50,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 07:41:50,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 07:41:50,430 INFO L87 Difference]: Start difference. First operand 662 states and 742 transitions. Second operand 10 states. [2020-09-25 07:41:51,954 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:41:52,265 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:41:52,577 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 07:41:52,914 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191