/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:01:37,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:01:37,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:01:37,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:01:37,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:01:37,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:01:37,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:01:37,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:01:37,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:01:37,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:01:37,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:01:37,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:01:37,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:01:37,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:01:37,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:01:37,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:01:37,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:01:37,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:01:37,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:01:37,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:01:37,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:01:37,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:01:37,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:01:37,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:01:37,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:01:37,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:01:37,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:01:37,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:01:37,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:01:37,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:01:37,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:01:37,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:01:37,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:01:37,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:01:37,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:01:37,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:01:37,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:01:37,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:01:37,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:01:37,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:01:37,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:01:37,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:01:37,383 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:01:37,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:01:37,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:01:37,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:01:37,385 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:01:37,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:01:37,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:01:37,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:01:37,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:01:37,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:01:37,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:01:37,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:01:37,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:01:37,386 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:01:37,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:01:37,387 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:01:37,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:01:37,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:01:37,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:01:37,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:01:37,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:01:37,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:01:37,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:01:37,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:01:37,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:01:37,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:01:37,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:01:37,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:01:37,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:01:37,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:01:37,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:01:37,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:01:37,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:01:37,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:01:37,902 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:01:37,903 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-09-25 12:01:37,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a852cf40/4dc0f741a0504b3997a86013cfc9f940/FLAG476547969 [2020-09-25 12:01:38,703 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:01:38,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-09-25 12:01:38,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a852cf40/4dc0f741a0504b3997a86013cfc9f940/FLAG476547969 [2020-09-25 12:01:38,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a852cf40/4dc0f741a0504b3997a86013cfc9f940 [2020-09-25 12:01:38,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:01:38,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:01:38,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:01:38,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:01:38,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:01:38,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:38" (1/1) ... [2020-09-25 12:01:38,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:38, skipping insertion in model container [2020-09-25 12:01:38,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:01:38" (1/1) ... [2020-09-25 12:01:38,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:01:39,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:01:39,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:01:39,451 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:01:39,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:01:39,649 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:01:39,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39 WrapperNode [2020-09-25 12:01:39,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:01:39,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:01:39,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:01:39,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:01:39,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (1/1) ... [2020-09-25 12:01:39,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (1/1) ... [2020-09-25 12:01:39,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (1/1) ... [2020-09-25 12:01:39,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (1/1) ... [2020-09-25 12:01:39,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (1/1) ... [2020-09-25 12:01:39,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (1/1) ... [2020-09-25 12:01:39,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (1/1) ... [2020-09-25 12:01:39,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:01:39,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:01:39,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:01:39,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:01:39,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:01:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:01:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:01:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:01:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:01:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:01:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:01:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:01:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:01:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:01:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:01:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:01:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:01:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:01:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:01:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:01:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:01:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:01:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:01:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:01:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:01:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:01:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:01:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:01:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:01:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:01:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:01:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:01:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:01:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:01:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:01:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:01:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:01:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:01:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:01:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:01:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:01:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:01:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:01:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:01:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:01:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:01:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:01:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:01:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:01:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:01:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:01:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:01:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:01:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:01:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:01:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:01:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:01:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:01:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:01:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:01:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:01:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:01:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:01:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:01:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:01:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:01:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:01:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:01:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:01:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:01:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:01:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:01:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:01:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:01:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:01:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:01:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:01:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:01:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:01:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:01:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:01:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:01:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:01:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:01:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:01:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:01:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:01:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:01:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:01:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:01:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:01:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:01:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:01:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:01:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:01:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:01:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:01:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:01:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:01:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:01:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:01:41,053 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:01:41,054 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:01:41,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:41 BoogieIcfgContainer [2020-09-25 12:01:41,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:01:41,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:01:41,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:01:41,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:01:41,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:01:38" (1/3) ... [2020-09-25 12:01:41,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9f1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:41, skipping insertion in model container [2020-09-25 12:01:41,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:01:39" (2/3) ... [2020-09-25 12:01:41,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9f1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:01:41, skipping insertion in model container [2020-09-25 12:01:41,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:01:41" (3/3) ... [2020-09-25 12:01:41,071 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-09-25 12:01:41,085 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:01:41,097 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:01:41,123 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:01:41,159 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:01:41,160 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:01:41,160 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:01:41,160 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:01:41,160 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:01:41,160 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:01:41,160 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:01:41,161 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:01:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-09-25 12:01:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 12:01:41,213 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:41,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:01:41,216 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:41,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:41,224 INFO L82 PathProgramCache]: Analyzing trace with hash -368362639, now seen corresponding path program 1 times [2020-09-25 12:01:41,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:41,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863077574] [2020-09-25 12:01:41,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:41,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:41,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:43,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:44,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:46,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:46,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:46,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 12:01:46,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:01:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-09-25 12:01:46,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:46,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:01:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 12:01:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 12:01:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-25 12:01:47,179 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:47,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:47,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:47,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:47,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:47,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-25 12:01:47,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:47,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:01:47,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:47,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:47,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:47,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:47,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:47,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:47,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:47,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:47,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:47,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:47,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:47,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:47,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:47,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:47,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:47,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:47,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:47,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:47,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:47,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:47,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:47,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:01:47,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:47,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:47,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:47,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:47,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:47,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:47,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:47,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:47,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:47,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:47,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:47,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:47,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:47,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:47,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:47,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:47,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:01:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:01:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:47,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:47,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:47,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:47,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:47,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:01:47,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:47,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:47,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:01:47,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:47,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:47,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:47,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:01:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:47,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:47,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:47,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:47,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:47,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:47,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:01:47,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [863077574] [2020-09-25 12:01:47,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:47,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:01:47,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663969163] [2020-09-25 12:01:47,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:01:47,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:47,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:01:47,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:01:47,780 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 9 states. [2020-09-25 12:01:48,455 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:49,565 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:49,950 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:50,319 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:50,763 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:51,098 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:51,986 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:52,254 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:52,755 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:54,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:54,030 INFO L93 Difference]: Finished difference Result 678 states and 825 transitions. [2020-09-25 12:01:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 12:01:54,032 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 12:01:54,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:54,055 INFO L225 Difference]: With dead ends: 678 [2020-09-25 12:01:54,055 INFO L226 Difference]: Without dead ends: 471 [2020-09-25 12:01:54,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 12:01:54,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-09-25 12:01:54,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 395. [2020-09-25 12:01:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-09-25 12:01:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 440 transitions. [2020-09-25 12:01:54,203 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 440 transitions. Word has length 148 [2020-09-25 12:01:54,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:54,204 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 440 transitions. [2020-09-25 12:01:54,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:01:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 440 transitions. [2020-09-25 12:01:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 12:01:54,210 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:54,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:01:54,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:01:54,211 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:54,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:54,211 INFO L82 PathProgramCache]: Analyzing trace with hash 678958886, now seen corresponding path program 1 times [2020-09-25 12:01:54,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:54,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546525986] [2020-09-25 12:01:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:54,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:54,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:54,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:56,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-25 12:01:59,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:01:59,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 12:01:59,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 12:01:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:01:59,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-25 12:01:59,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:59,702 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:59,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:59,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:59,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:59,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:59,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 12:01:59,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:59,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:59,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:01:59,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:02:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:00,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:02:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:00,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:02:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:02:00,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:00,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:02:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:00,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:02:00,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:02:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:00,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:02:00,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:02:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:02:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:02:00,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:02:00,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:02:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:00,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:00,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:02:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:02:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:00,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 12:02:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:00,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:00,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:00,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:00,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:02:00,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:00,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:02:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:00,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:02:00,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546525986] [2020-09-25 12:02:00,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:02:00,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:02:00,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792890047] [2020-09-25 12:02:00,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:02:00,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:02:00,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:02:00,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:02:00,223 INFO L87 Difference]: Start difference. First operand 395 states and 440 transitions. Second operand 11 states. [2020-09-25 12:02:00,862 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:02:02,355 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:02:02,624 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:02:03,006 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:02:03,365 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:02:03,718 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:02:04,542 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:02:04,841 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:02:05,293 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:02:06,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:02:06,966 INFO L93 Difference]: Finished difference Result 1104 states and 1412 transitions. [2020-09-25 12:02:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 12:02:06,967 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2020-09-25 12:02:06,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:02:06,978 INFO L225 Difference]: With dead ends: 1104 [2020-09-25 12:02:06,978 INFO L226 Difference]: Without dead ends: 824 [2020-09-25 12:02:06,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 12:02:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-09-25 12:02:07,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 560. [2020-09-25 12:02:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-25 12:02:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 637 transitions. [2020-09-25 12:02:07,093 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 637 transitions. Word has length 167 [2020-09-25 12:02:07,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:02:07,094 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 637 transitions. [2020-09-25 12:02:07,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:02:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 637 transitions. [2020-09-25 12:02:07,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-09-25 12:02:07,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:02:07,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:02:07,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:02:07,100 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:02:07,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:02:07,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1468331977, now seen corresponding path program 1 times [2020-09-25 12:02:07,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:02:07,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555292316] [2020-09-25 12:02:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:02:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:07,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:07,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:07,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:07,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:08,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:11,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-09-25 12:02:12,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 12:02:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 12:02:12,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 12:02:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 12:02:12,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,496 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:02:12,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:02:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:02:12,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 12:02:12,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:02:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:12,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:02:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:12,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:12,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:02:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:12,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:12,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:02:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:12,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:02:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:12,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:02:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:02:12,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:02:12,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:02:12,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:02:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:12,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:02:12,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:02:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 12:02:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 12:02:12,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:02:12,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 12:02:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 12:02:12,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:12,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:12,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:12,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 12:02:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 12:02:12,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:02:12,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 12:02:12,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 12:02:12,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:12,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:12,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:12,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:12,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:12,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:12,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:12,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 12:02:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:12,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:12,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:13,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:13,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:02:13,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:13,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 12:02:13,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:13,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:13,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:02:13,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:02:13,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:02:13,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:13,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:13,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:13,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:13,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:02:13,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 12:02:13,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:13,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:02:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:02:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:02:13,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:13,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:13,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:13,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:02:13,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 12:02:13,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:13,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:02:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:02:13,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:13,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:02:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:13,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:13,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:13,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:02:13,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:02:13,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:13,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:13,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:02:13,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:02:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:13,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:13,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:13,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:13,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:13,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:13,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:13,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:02:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:13,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:13,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 12:02:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:13,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:13,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:13,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:13,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:13,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:13,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:13,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:02:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:13,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:13,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-25 12:02:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:13,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:13,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:13,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:13,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:13,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:13,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:02:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:13,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 12:02:13,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555292316] [2020-09-25 12:02:13,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:02:13,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 12:02:13,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084253349] [2020-09-25 12:02:13,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 12:02:13,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:02:13,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 12:02:13,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 12:02:13,420 INFO L87 Difference]: Start difference. First operand 560 states and 637 transitions. Second operand 14 states. [2020-09-25 12:02:14,317 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:02:15,799 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:02:16,217 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:02:16,561 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:02:16,920 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:02:17,268 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:02:17,589 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:02:19,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:02:19,482 INFO L93 Difference]: Finished difference Result 1426 states and 1841 transitions. [2020-09-25 12:02:19,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-25 12:02:19,483 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 256 [2020-09-25 12:02:19,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:02:19,493 INFO L225 Difference]: With dead ends: 1426 [2020-09-25 12:02:19,493 INFO L226 Difference]: Without dead ends: 981 [2020-09-25 12:02:19,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=395, Invalid=1497, Unknown=0, NotChecked=0, Total=1892 [2020-09-25 12:02:19,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2020-09-25 12:02:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 574. [2020-09-25 12:02:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2020-09-25 12:02:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 645 transitions. [2020-09-25 12:02:19,604 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 645 transitions. Word has length 256 [2020-09-25 12:02:19,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:02:19,605 INFO L479 AbstractCegarLoop]: Abstraction has 574 states and 645 transitions. [2020-09-25 12:02:19,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 12:02:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 645 transitions. [2020-09-25 12:02:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-25 12:02:19,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:02:19,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:02:19,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:02:19,610 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:02:19,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:02:19,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1836108882, now seen corresponding path program 1 times [2020-09-25 12:02:19,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:02:19,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055580054] [2020-09-25 12:02:19,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:02:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:19,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:20,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:22,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:22,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-25 12:02:22,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3040 [2020-09-25 12:02:22,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:22,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:22,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:02:22,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 12:02:22,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 12:02:22,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,049 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:02:23,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:02:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:02:23,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 12:02:23,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:23,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:02:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:23,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:02:23,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:02:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:23,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:02:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:02:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:23,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:23,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:23,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:02:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:02:23,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:02:23,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:23,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:02:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:23,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:23,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:02:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:02:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:02:23,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:02:23,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:02:23,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:02:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:23,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:02:23,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:02:23,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 12:02:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:02:23,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 12:02:23,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 12:02:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:02:23,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:02:23,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 12:02:23,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:02:23,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 12:02:23,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:02:23,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:02:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:02:23,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 12:02:23,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:02:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:02:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:02:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:02:23,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:02:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:02:23,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:02:23,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:02:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:23,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:02:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:02:23,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:23,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:02:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:02:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:02:23,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:02:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:23,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:23,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:02:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 12:02:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:02:23,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:02:23,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:02:23,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:02:23,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:02:23,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:02:23,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:02:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:02:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:02:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:02:23,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:02:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:02:23,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055580054] [2020-09-25 12:02:23,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:02:23,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 12:02:23,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982365162] [2020-09-25 12:02:23,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 12:02:23,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:02:23,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 12:02:23,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 12:02:23,793 INFO L87 Difference]: Start difference. First operand 574 states and 645 transitions. Second operand 12 states. [2020-09-25 12:02:24,399 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:02:25,773 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:02:26,122 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:02:26,492 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:02:26,898 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:02:27,215 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:02:29,107 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191