/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=0.4 --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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:07:40,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:07:40,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:07:40,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:07:40,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:07:40,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:07:40,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:07:40,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:07:40,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:07:40,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:07:40,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:07:40,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:07:40,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:07:40,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:07:40,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:07:40,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:07:40,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:07:40,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:07:40,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:07:40,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:07:40,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:07:40,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:07:40,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:07:40,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:07:40,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:07:40,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:07:40,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:07:40,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:07:40,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:07:40,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:07:40,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:07:40,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:07:40,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:07:40,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:07:40,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:07:40,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:07:40,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:07:40,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:07:40,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:07:40,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:07:40,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:07:40,193 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 13:07:40,241 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:07:40,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:07:40,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:07:40,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:07:40,244 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:07:40,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:07:40,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:07:40,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:07:40,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:07:40,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:07:40,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:07:40,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:07:40,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:07:40,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:07:40,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:07:40,248 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:07:40,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:07:40,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:07:40,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:07:40,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:07:40,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:07:40,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:07:40,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:07:40,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:07:40,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:07:40,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:07:40,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:07:40,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:07:40,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:07:40,253 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:07:40,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:07:40,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:07:40,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:07:40,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:07:40,710 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:07:40,711 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2020-09-25 13:07:40,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a6ee9209/5adcc84daf09443d964cda29bc8c19ca/FLAGed7a2202b [2020-09-25 13:07:41,437 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:07:41,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2020-09-25 13:07:41,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a6ee9209/5adcc84daf09443d964cda29bc8c19ca/FLAGed7a2202b [2020-09-25 13:07:41,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a6ee9209/5adcc84daf09443d964cda29bc8c19ca [2020-09-25 13:07:41,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:07:41,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:07:41,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:07:41,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:07:41,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:07:41,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:07:41" (1/1) ... [2020-09-25 13:07:41,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fd97d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:41, skipping insertion in model container [2020-09-25 13:07:41,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:07:41" (1/1) ... [2020-09-25 13:07:41,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:07:41,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:07:42,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:07:42,259 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:07:42,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:07:42,375 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:07:42,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42 WrapperNode [2020-09-25 13:07:42,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:07:42,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:07:42,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:07:42,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:07:42,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (1/1) ... [2020-09-25 13:07:42,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (1/1) ... [2020-09-25 13:07:42,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (1/1) ... [2020-09-25 13:07:42,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (1/1) ... [2020-09-25 13:07:42,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (1/1) ... [2020-09-25 13:07:42,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (1/1) ... [2020-09-25 13:07:42,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (1/1) ... [2020-09-25 13:07:42,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:07:42,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:07:42,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:07:42,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:07:42,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:07:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:07:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:07:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:07:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:07:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:07:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:07:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:07:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:07:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:07:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:07:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:07:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:07:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:07:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:07:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:07:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:07:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:07:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:07:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:07:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:07:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:07:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:07:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 13:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:07:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:07:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:07:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:07:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:07:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:07:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:07:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:07:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:07:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:07:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:07:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:07:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:07:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 13:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:07:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:07:43,791 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:07:43,792 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:07:43,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:07:43 BoogieIcfgContainer [2020-09-25 13:07:43,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:07:43,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:07:43,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:07:43,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:07:43,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:07:41" (1/3) ... [2020-09-25 13:07:43,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b455043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:07:43, skipping insertion in model container [2020-09-25 13:07:43,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:42" (2/3) ... [2020-09-25 13:07:43,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b455043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:07:43, skipping insertion in model container [2020-09-25 13:07:43,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:07:43" (3/3) ... [2020-09-25 13:07:43,814 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2020-09-25 13:07:43,824 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:07:43,835 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:07:43,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:07:43,884 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:07:43,884 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:07:43,884 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:07:43,884 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:07:43,884 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:07:43,885 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:07:43,885 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:07:43,885 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:07:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2020-09-25 13:07:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:07:43,931 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:43,933 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 13:07:43,933 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:43,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:43,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1385255819, now seen corresponding path program 1 times [2020-09-25 13:07:43,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:43,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366121720] [2020-09-25 13:07:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:44,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:44,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:46,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:47,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:07:49,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:07:49,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 13:07:49,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:07:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 13:07:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 13:07:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 13:07:49,872 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:49,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:50,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:07:50,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:50,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 13:07:50,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:50,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 13:07:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:50,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:07:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:50,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:50,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:50,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:50,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:50,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:07:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:50,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:50,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:50,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:50,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:50,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:50,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:50,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:07:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:50,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:50,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:50,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:07:50,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:50,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:50,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:07:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:50,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:50,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:50,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:50,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:50,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:07:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:50,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:50,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:50,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:50,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:50,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:07:50,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:07:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:50,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:50,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:50,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:50,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:07:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:50,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:50,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:50,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:50,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:50,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:50,499 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 13:07:50,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366121720] [2020-09-25 13:07:50,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:50,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:07:50,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966131903] [2020-09-25 13:07:50,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:07:50,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:50,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:07:50,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:07:50,553 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 5 states. [2020-09-25 13:07:51,151 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:07:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:52,142 INFO L93 Difference]: Finished difference Result 414 states and 494 transitions. [2020-09-25 13:07:52,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:07:52,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:07:52,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:52,166 INFO L225 Difference]: With dead ends: 414 [2020-09-25 13:07:52,167 INFO L226 Difference]: Without dead ends: 273 [2020-09-25 13:07:52,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:07:52,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-25 13:07:52,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 226. [2020-09-25 13:07:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-25 13:07:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 243 transitions. [2020-09-25 13:07:52,286 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 243 transitions. Word has length 148 [2020-09-25 13:07:52,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:52,287 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 243 transitions. [2020-09-25 13:07:52,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:07:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 243 transitions. [2020-09-25 13:07:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 13:07:52,293 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:52,293 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] [2020-09-25 13:07:52,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:07:52,294 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:52,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:52,294 INFO L82 PathProgramCache]: Analyzing trace with hash 800175746, now seen corresponding path program 1 times [2020-09-25 13:07:52,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:52,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462596519] [2020-09-25 13:07:52,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:52,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:53,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:53,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:54,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 13:07:57,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:07:57,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 13:07:57,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 13:07:57,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:07:57,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 13:07:57,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,733 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:57,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:07:57,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 13:07:57,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:07:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:57,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:57,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:57,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:57,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:07:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:57,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:57,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:57,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:07:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:57,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:57,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:57,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:07:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:57,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:57,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:57,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:07:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:57,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:57,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:07:57,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 13:07:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:57,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:57,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:07:57,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:57,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:07:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:57,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:57,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:07:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:57,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:57,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,989 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 13:07:57,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462596519] [2020-09-25 13:07:57,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:57,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:07:57,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050495534] [2020-09-25 13:07:57,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:07:57,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:57,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:07:57,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:07:57,994 INFO L87 Difference]: Start difference. First operand 226 states and 243 transitions. Second operand 6 states. [2020-09-25 13:07:58,559 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:08:00,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:08:00,992 INFO L93 Difference]: Finished difference Result 513 states and 669 transitions. [2020-09-25 13:08:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:08:00,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 13:08:00,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:08:01,011 INFO L225 Difference]: With dead ends: 513 [2020-09-25 13:08:01,012 INFO L226 Difference]: Without dead ends: 510 [2020-09-25 13:08:01,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:08:01,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-09-25 13:08:01,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 337. [2020-09-25 13:08:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-25 13:08:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 377 transitions. [2020-09-25 13:08:01,114 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 377 transitions. Word has length 157 [2020-09-25 13:08:01,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:08:01,115 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 377 transitions. [2020-09-25 13:08:01,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:08:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 377 transitions. [2020-09-25 13:08:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-09-25 13:08:01,120 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:08:01,121 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 13:08:01,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:08:01,122 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:08:01,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:08:01,122 INFO L82 PathProgramCache]: Analyzing trace with hash 714964912, now seen corresponding path program 1 times [2020-09-25 13:08:01,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:08:01,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037616524] [2020-09-25 13:08:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:08:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:01,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:01,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:01,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:01,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:01,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:04,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:06,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 13:08:06,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:08:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 13:08:06,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:06,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:06,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:06,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-09-25 13:08:06,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:08:06,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:06,610 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:08:06,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:08:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:06,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:06,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:08:06,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:06,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 13:08:06,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:06,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:06,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:08:06,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:08:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:06,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:06,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:06,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:06,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:06,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:06,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:06,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:08:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:06,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:06,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:06,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:06,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:06,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:06,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:06,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:08:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:06,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:06,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:06,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:06,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:08:06,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:06,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:06,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:06,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:06,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:06,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:06,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:08:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:06,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:06,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:06,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:06,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:06,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:06,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:06,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:08:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:06,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:06,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:06,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:06,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:06,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:06,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:06,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:08:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:06,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:06,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:06,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:06,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:08:06,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:06,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:06,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:06,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:08:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:06,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 13:08:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:06,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:06,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 13:08:07,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:08:07,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-25 13:08:07,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 13:08:07,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:07,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:07,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:07,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:07,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:08:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:08:07,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:08:07,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:07,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:07,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:07,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:08:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:07,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:07,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 13:08:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:07,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:07,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:08:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:07,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:07,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:07,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 13:08:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:07,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:07,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:08:07,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 13:08:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:07,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:07,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:07,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:07,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:07,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 13:08:07,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037616524] [2020-09-25 13:08:07,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:08:07,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 13:08:07,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766931983] [2020-09-25 13:08:07,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 13:08:07,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:08:07,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 13:08:07,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:08:07,340 INFO L87 Difference]: Start difference. First operand 337 states and 377 transitions. Second operand 8 states. [2020-09-25 13:08:08,300 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:08:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:08:09,612 INFO L93 Difference]: Finished difference Result 678 states and 860 transitions. [2020-09-25 13:08:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 13:08:09,612 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 215 [2020-09-25 13:08:09,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:08:09,620 INFO L225 Difference]: With dead ends: 678 [2020-09-25 13:08:09,621 INFO L226 Difference]: Without dead ends: 524 [2020-09-25 13:08:09,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2020-09-25 13:08:09,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-25 13:08:09,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 317. [2020-09-25 13:08:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-09-25 13:08:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 347 transitions. [2020-09-25 13:08:09,682 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 347 transitions. Word has length 215 [2020-09-25 13:08:09,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:08:09,683 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 347 transitions. [2020-09-25 13:08:09,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 13:08:09,683 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 347 transitions. [2020-09-25 13:08:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-25 13:08:09,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:08:09,687 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:09,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:08:09,687 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:08:09,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:08:09,688 INFO L82 PathProgramCache]: Analyzing trace with hash -813605277, now seen corresponding path program 1 times [2020-09-25 13:08:09,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:08:09,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941555254] [2020-09-25 13:08:09,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:08:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:09,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:09,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:10,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:11,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:13,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-25 13:08:14,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:08:14,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 13:08:14,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:08:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:08:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-25 13:08:14,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,129 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:08:15,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:08:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:08:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-09-25 13:08:15,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:08:15,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:08:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:15,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:15,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:15,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:08:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:15,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:15,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:15,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:08:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:15,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:08:15,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:08:15,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:08:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:15,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:15,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:08:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:15,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:08:15,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:08:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:08:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:15,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:08:15,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:08:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 13:08:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 13:08:16,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:08:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-09-25 13:08:16,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:08:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 13:08:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 13:08:16,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:16,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:16,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:16,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:16,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:16,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:16,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:16,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:08:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:08:16,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 13:08:16,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:08:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:08:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:16,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:08:16,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:08:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:08:16,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:08:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:16,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:16,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:08:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 13:08:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:16,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:08:16,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:08:16,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:16,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 13:08:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:16,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:08:16,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:16,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:08:16,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:16,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:16,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:16,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:16,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:16,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 13:08:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:16,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:16,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:16,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 13:08:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:16,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:16,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:16,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:16,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:16,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:16,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:16,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:16,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 13:08:16,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941555254] [2020-09-25 13:08:16,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:08:16,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 13:08:16,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956644919] [2020-09-25 13:08:16,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 13:08:16,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:08:16,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 13:08:16,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-25 13:08:16,621 INFO L87 Difference]: Start difference. First operand 317 states and 347 transitions. Second operand 13 states. [2020-09-25 13:08:17,227 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:08:18,224 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:08:19,017 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:19,383 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:19,803 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:20,126 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:20,968 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:21,600 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 13:08:22,207 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 13:08:22,822 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:23,164 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-25 13:08:23,493 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-25 13:08:24,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:08:24,626 INFO L93 Difference]: Finished difference Result 1002 states and 1315 transitions. [2020-09-25 13:08:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-25 13:08:24,626 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 228 [2020-09-25 13:08:24,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:08:24,637 INFO L225 Difference]: With dead ends: 1002 [2020-09-25 13:08:24,637 INFO L226 Difference]: Without dead ends: 800 [2020-09-25 13:08:24,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=437, Invalid=1543, Unknown=0, NotChecked=0, Total=1980 [2020-09-25 13:08:24,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-09-25 13:08:24,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 394. [2020-09-25 13:08:24,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-25 13:08:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 433 transitions. [2020-09-25 13:08:24,733 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 433 transitions. Word has length 228 [2020-09-25 13:08:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:08:24,734 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 433 transitions. [2020-09-25 13:08:24,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 13:08:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 433 transitions. [2020-09-25 13:08:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-09-25 13:08:24,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:08:24,738 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:24,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:08:24,739 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:08:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:08:24,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1131872908, now seen corresponding path program 1 times [2020-09-25 13:08:24,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:08:24,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206746647] [2020-09-25 13:08:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:08:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:24,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:25,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:25,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:26,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:26,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking...