/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:02:54,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:02:54,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:02:54,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:02:54,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:02:54,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:02:54,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:02:54,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:02:54,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:02:54,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:02:54,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:02:54,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:02:54,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:02:54,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:02:54,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:02:54,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:02:54,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:02:54,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:02:54,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:02:54,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:02:54,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:02:54,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:02:54,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:02:54,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:02:54,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:02:54,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:02:54,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:02:54,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:02:54,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:02:54,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:02:54,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:02:54,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:02:54,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:02:54,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:02:54,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:02:54,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:02:54,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:02:54,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:02:54,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:02:54,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:02:54,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:02:54,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 18:02:54,295 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:02:54,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:02:54,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:02:54,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:02:54,296 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:02:54,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:02:54,297 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:02:54,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:02:54,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:02:54,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:02:54,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:02:54,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:02:54,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:02:54,298 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:02:54,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:02:54,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:02:54,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:02:54,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:02:54,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:02:54,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:02:54,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:02:54,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:02:54,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:02:54,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:02:54,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:02:54,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:02:54,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:02:54,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:02:54,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:02:54,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:02:54,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:02:54,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:02:54,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:02:54,642 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:02:54,642 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:02:54,643 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-10-12 18:02:54,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a66b7928a/52aa60ece67f4c4cba7432eca52dfc1b/FLAGc9df634cc [2020-10-12 18:02:55,304 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:02:55,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-10-12 18:02:55,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a66b7928a/52aa60ece67f4c4cba7432eca52dfc1b/FLAGc9df634cc [2020-10-12 18:02:55,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a66b7928a/52aa60ece67f4c4cba7432eca52dfc1b [2020-10-12 18:02:55,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:02:55,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:02:55,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:02:55,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:02:55,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:02:55,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:02:55" (1/1) ... [2020-10-12 18:02:55,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:55, skipping insertion in model container [2020-10-12 18:02:55,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:02:55" (1/1) ... [2020-10-12 18:02:55,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:02:55,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:02:56,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:02:56,114 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:02:56,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:02:56,261 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:02:56,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56 WrapperNode [2020-10-12 18:02:56,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:02:56,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:02:56,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:02:56,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:02:56,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (1/1) ... [2020-10-12 18:02:56,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (1/1) ... [2020-10-12 18:02:56,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (1/1) ... [2020-10-12 18:02:56,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (1/1) ... [2020-10-12 18:02:56,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (1/1) ... [2020-10-12 18:02:56,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (1/1) ... [2020-10-12 18:02:56,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (1/1) ... [2020-10-12 18:02:56,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:02:56,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:02:56,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:02:56,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:02:56,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:02:56,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:02:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:02:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 18:02:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 18:02:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 18:02:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 18:02:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-12 18:02:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 18:02:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-12 18:02:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 18:02:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 18:02:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 18:02:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 18:02:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 18:02:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 18:02:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 18:02:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 18:02:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 18:02:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 18:02:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 18:02:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 18:02:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 18:02:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:02:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 18:02:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 18:02:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 18:02:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 18:02:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:02:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 18:02:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 18:02:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 18:02:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 18:02:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 18:02:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 18:02:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 18:02:56,440 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 18:02:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 18:02:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 18:02:56,441 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 18:02:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:02:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:02:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 18:02:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 18:02:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 18:02:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 18:02:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 18:02:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 18:02:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 18:02:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 18:02:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 18:02:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 18:02:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 18:02:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 18:02:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 18:02:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 18:02:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:02:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 18:02:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 18:02:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 18:02:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-12 18:02:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 18:02:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-12 18:02:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 18:02:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 18:02:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 18:02:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 18:02:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 18:02:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 18:02:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 18:02:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 18:02:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 18:02:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 18:02:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 18:02:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 18:02:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 18:02:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 18:02:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 18:02:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 18:02:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 18:02:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 18:02:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 18:02:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 18:02:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 18:02:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 18:02:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 18:02:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 18:02:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 18:02:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:02:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 18:02:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:02:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 18:02:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:02:57,506 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:02:57,506 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 18:02:57,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:02:57 BoogieIcfgContainer [2020-10-12 18:02:57,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:02:57,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:02:57,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:02:57,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:02:57,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:02:55" (1/3) ... [2020-10-12 18:02:57,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfe7631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:02:57, skipping insertion in model container [2020-10-12 18:02:57,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:56" (2/3) ... [2020-10-12 18:02:57,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfe7631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:02:57, skipping insertion in model container [2020-10-12 18:02:57,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:02:57" (3/3) ... [2020-10-12 18:02:57,520 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2020-10-12 18:02:57,531 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:02:57,539 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:02:57,553 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:02:57,579 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:02:57,579 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:02:57,579 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:02:57,579 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:02:57,580 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:02:57,580 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:02:57,580 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:02:57,580 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:02:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-10-12 18:02:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 18:02:57,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:02:57,613 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] [2020-10-12 18:02:57,614 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:02:57,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:02:57,620 INFO L82 PathProgramCache]: Analyzing trace with hash 261309835, now seen corresponding path program 1 times [2020-10-12 18:02:57,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:02:57,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031807062] [2020-10-12 18:02:57,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:02:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:58,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:58,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:58,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:00,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:02,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:02,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 18:03:02,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:03:02,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4255 [2020-10-12 18:03:02,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:03:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:02,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 18:03:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 18:03:02,644 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:02,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:02,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:02,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:02,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:02,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 18:03:02,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:03:02,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:02,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:02,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:02,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:02,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:02,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:02,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:02,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:02,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:02,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:02,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:02,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:02,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:02,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:02,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:02,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:02,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:02,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:02,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:02,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:02,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:02,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:02,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:02,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:02,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:02,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:02,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:02,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:02,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:02,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:02,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:02,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:02,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:02,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:02,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:02,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:02,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:02,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:02,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:03:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:02,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:02,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:02,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:02,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:02,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:02,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:02,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:02,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:02,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:03:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:02,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:02,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:02,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:02,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:02,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:03:02,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:02,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:02,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:02,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:02,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:03:02,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031807062] [2020-10-12 18:03:02,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:03:02,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:03:02,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52547448] [2020-10-12 18:03:02,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:03:02,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:02,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:03:02,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:03:02,893 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 7 states. [2020-10-12 18:03:03,382 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:04,335 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:03:04,634 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:04,924 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:05,646 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:05,976 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:07,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:07,061 INFO L93 Difference]: Finished difference Result 405 states and 552 transitions. [2020-10-12 18:03:07,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:03:07,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-12 18:03:07,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:07,080 INFO L225 Difference]: With dead ends: 405 [2020-10-12 18:03:07,080 INFO L226 Difference]: Without dead ends: 250 [2020-10-12 18:03:07,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:03:07,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-10-12 18:03:07,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 217. [2020-10-12 18:03:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-12 18:03:07,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 269 transitions. [2020-10-12 18:03:07,228 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 269 transitions. Word has length 46 [2020-10-12 18:03:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:07,228 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 269 transitions. [2020-10-12 18:03:07,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:03:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 269 transitions. [2020-10-12 18:03:07,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 18:03:07,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:07,235 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] [2020-10-12 18:03:07,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:03:07,236 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:07,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:07,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1149533798, now seen corresponding path program 1 times [2020-10-12 18:03:07,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:07,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731998845] [2020-10-12 18:03:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:07,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:07,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:07,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:11,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-12 18:03:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:03:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4498 [2020-10-12 18:03:11,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:03:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 18:03:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:12,041 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:12,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:12,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 18:03:12,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:03:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:12,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:12,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:12,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:12,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:12,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:12,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:12,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:12,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:12,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:12,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:12,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:12,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:12,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:12,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 18:03:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:03:12,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:03:12,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 18:03:12,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:03:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:03:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:03:12,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:12,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:03:12,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 18:03:12,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:03:12,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 18:03:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:03:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:12,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:03:12,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:03:12,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:03:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:12,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:03:12,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:12,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:12,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:03:12,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:03:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:12,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:03:12,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:03:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:12,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:03:12,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:12,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:12,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:12,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:12,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:12,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:12,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:12,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 18:03:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:12,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:12,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:12,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:12,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 18:03:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:12,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:12,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:12,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:12,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:12,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:12,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:12,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:12,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:12,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:03:12,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731998845] [2020-10-12 18:03:12,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:03:12,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 18:03:12,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273348449] [2020-10-12 18:03:12,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:03:12,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:12,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:03:12,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:03:12,552 INFO L87 Difference]: Start difference. First operand 217 states and 269 transitions. Second operand 12 states. [2020-10-12 18:03:13,258 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:14,071 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:14,386 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:14,663 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:15,023 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:15,434 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:15,736 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:03:16,078 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:16,381 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:03:16,763 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:17,063 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:03:17,393 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:17,639 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:19,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:19,054 INFO L93 Difference]: Finished difference Result 633 states and 914 transitions. [2020-10-12 18:03:19,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 18:03:19,054 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-12 18:03:19,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:19,070 INFO L225 Difference]: With dead ends: 633 [2020-10-12 18:03:19,070 INFO L226 Difference]: Without dead ends: 440 [2020-10-12 18:03:19,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2020-10-12 18:03:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-10-12 18:03:19,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 365. [2020-10-12 18:03:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-10-12 18:03:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 459 transitions. [2020-10-12 18:03:19,238 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 459 transitions. Word has length 90 [2020-10-12 18:03:19,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:19,239 INFO L479 AbstractCegarLoop]: Abstraction has 365 states and 459 transitions. [2020-10-12 18:03:19,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:03:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 459 transitions. [2020-10-12 18:03:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-12 18:03:19,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:19,244 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 18:03:19,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:03:19,244 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:19,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:19,245 INFO L82 PathProgramCache]: Analyzing trace with hash 379964523, now seen corresponding path program 1 times [2020-10-12 18:03:19,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:19,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514624979] [2020-10-12 18:03:19,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:19,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:19,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:19,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:19,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:19,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:03:24,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:03:24,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 18:03:24,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:03:24,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:24,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-12 18:03:24,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,539 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:24,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-12 18:03:24,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:03:24,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:24,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:24,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:24,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:24,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:24,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:24,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:24,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:24,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:24,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:24,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:24,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:24,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:03:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:24,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:03:24,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:03:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:03:24,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:03:24,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:03:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 18:03:24,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:03:24,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:03:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:03:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:24,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:03:24,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:24,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:03:24,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:24,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:24,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:24,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 18:03:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:03:24,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:03:24,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:03:24,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:24,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 18:03:24,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:24,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:03:24,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:03:24,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:03:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:24,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:03:24,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:03:24,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:03:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:24,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:03:24,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:24,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:03:24,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:03:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:24,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:03:24,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:03:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:24,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:24,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:24,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:24,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:24,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:24,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:24,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:24,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:24,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:24,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:24,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:24,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:24,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:24,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 18:03:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:24,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:24,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 18:03:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:24,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:24,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:24,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:24,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:24,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:24,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:24,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 18:03:24,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514624979] [2020-10-12 18:03:24,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:03:24,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 18:03:24,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034889909] [2020-10-12 18:03:24,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 18:03:24,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:24,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 18:03:24,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:03:24,975 INFO L87 Difference]: Start difference. First operand 365 states and 459 transitions. Second operand 13 states. [2020-10-12 18:03:25,458 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:26,176 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:26,661 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:26,961 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:27,240 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:28,496 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:28,798 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:29,041 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:30,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:30,173 INFO L93 Difference]: Finished difference Result 871 states and 1289 transitions. [2020-10-12 18:03:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 18:03:30,174 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-12 18:03:30,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:30,189 INFO L225 Difference]: With dead ends: 871 [2020-10-12 18:03:30,189 INFO L226 Difference]: Without dead ends: 520 [2020-10-12 18:03:30,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2020-10-12 18:03:30,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-12 18:03:30,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 412. [2020-10-12 18:03:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-12 18:03:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 540 transitions. [2020-10-12 18:03:30,334 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 540 transitions. Word has length 117 [2020-10-12 18:03:30,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:30,336 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 540 transitions. [2020-10-12 18:03:30,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 18:03:30,336 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 540 transitions. [2020-10-12 18:03:30,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-12 18:03:30,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:30,341 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] [2020-10-12 18:03:30,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:03:30,342 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:30,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:30,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1850391908, now seen corresponding path program 1 times [2020-10-12 18:03:30,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:30,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589442280] [2020-10-12 18:03:30,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:30,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:30,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:31,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:31,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:03:31,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:03:31,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1247 [2020-10-12 18:03:31,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:31,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:03:31,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:31,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-12 18:03:31,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:31,910 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:31,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:31,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:31,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:31,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:31,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 18:03:31,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:03:31,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:31,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:32,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:32,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:32,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:32,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:32,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:32,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:32,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:32,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:32,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:32,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:32,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:32,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:03:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:32,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:03:32,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:03:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:03:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:03:32,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 18:03:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:03:32,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:03:32,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:03:32,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 18:03:32,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:03:32,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:03:32,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 18:03:32,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:03:32,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:32,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:03:32,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:03:32,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:32,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 18:03:32,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:03:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:32,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:03:32,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 18:03:32,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:32,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:32,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:32,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:32,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:32,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:32,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:32,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:32,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:32,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 18:03:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:32,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:32,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:32,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 18:03:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:32,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:32,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:32,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:32,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:32,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:32,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:32,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:03:32,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589442280] [2020-10-12 18:03:32,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:03:32,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 18:03:32,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221948247] [2020-10-12 18:03:32,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:03:32,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:32,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:03:32,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:03:32,203 INFO L87 Difference]: Start difference. First operand 412 states and 540 transitions. Second operand 11 states. [2020-10-12 18:03:32,643 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:33,238 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:33,611 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:33,889 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:34,140 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:34,364 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:34,642 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:34,882 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:35,909 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:36,185 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:37,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:37,575 INFO L93 Difference]: Finished difference Result 838 states and 1250 transitions. [2020-10-12 18:03:37,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 18:03:37,576 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-10-12 18:03:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:37,581 INFO L225 Difference]: With dead ends: 838 [2020-10-12 18:03:37,582 INFO L226 Difference]: Without dead ends: 509 [2020-10-12 18:03:37,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2020-10-12 18:03:37,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-10-12 18:03:37,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 400. [2020-10-12 18:03:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-10-12 18:03:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 525 transitions. [2020-10-12 18:03:37,672 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 525 transitions. Word has length 98 [2020-10-12 18:03:37,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:37,673 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 525 transitions. [2020-10-12 18:03:37,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:03:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 525 transitions. [2020-10-12 18:03:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-12 18:03:37,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:37,676 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 18:03:37,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:03:37,677 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:37,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:37,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1565469488, now seen corresponding path program 1 times [2020-10-12 18:03:37,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:37,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608641027] [2020-10-12 18:03:37,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:37,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:37,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:37,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:37,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:38,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:40,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:40,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 18:03:40,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:03:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3192 [2020-10-12 18:03:40,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:03:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:03:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,202 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:41,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 18:03:41,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:03:41,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:41,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:41,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:41,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:41,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:41,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:41,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:41,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:41,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:41,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:41,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:03:41,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:03:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:41,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:03:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:03:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:03:41,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:41,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:03:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 18:03:41,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:03:41,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:41,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:03:41,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 18:03:41,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:03:41,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:03:41,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:41,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 18:03:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:03:41,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:03:41,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:03:41,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:41,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:03:41,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:41,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:03:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:41,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:41,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:41,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:41,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:41,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:41,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:41,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 18:03:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:41,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:03:41,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:03:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:41,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:41,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 18:03:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:03:41,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:03:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:03:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:03:41,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:41,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 18:03:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:41,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:03:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:41,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:41,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 18:03:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:41,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:41,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:41,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:41,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:41,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:41,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:41,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:41,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 18:03:41,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608641027] [2020-10-12 18:03:41,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:03:41,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 18:03:41,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426719378] [2020-10-12 18:03:41,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 18:03:41,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:41,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 18:03:41,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:03:41,718 INFO L87 Difference]: Start difference. First operand 400 states and 525 transitions. Second operand 15 states. [2020-10-12 18:03:42,306 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:42,900 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:43,501 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-12 18:03:43,773 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:44,018 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:44,447 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-12 18:03:44,718 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:44,979 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:46,440 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:03:46,715 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:03:47,060 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:48,157 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-12 18:03:48,471 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:48,728 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:03:50,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:50,523 INFO L93 Difference]: Finished difference Result 1195 states and 1747 transitions. [2020-10-12 18:03:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 18:03:50,523 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 121 [2020-10-12 18:03:50,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:50,531 INFO L225 Difference]: With dead ends: 1195 [2020-10-12 18:03:50,531 INFO L226 Difference]: Without dead ends: 857 [2020-10-12 18:03:50,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=416, Invalid=1224, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 18:03:50,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-10-12 18:03:50,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 727. [2020-10-12 18:03:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-10-12 18:03:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 939 transitions. [2020-10-12 18:03:50,661 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 939 transitions. Word has length 121 [2020-10-12 18:03:50,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:50,661 INFO L479 AbstractCegarLoop]: Abstraction has 727 states and 939 transitions. [2020-10-12 18:03:50,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 18:03:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 939 transitions. [2020-10-12 18:03:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 18:03:50,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:50,665 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 18:03:50,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:03:50,666 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:50,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:50,666 INFO L82 PathProgramCache]: Analyzing trace with hash -114211183, now seen corresponding path program 1 times [2020-10-12 18:03:50,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:50,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839121737] [2020-10-12 18:03:50,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:50,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:50,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:50,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:50,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:50,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:50,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 18:03:51,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:03:51,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-12 18:03:51,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 18:03:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-12 18:03:51,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,646 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:51,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:03:51,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:51,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:51,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:51,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:03:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:51,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:03:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 18:03:51,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:03:51,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 18:03:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:03:51,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:03:51,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 18:03:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:03:51,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:03:51,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:03:51,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:51,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:03:51,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:51,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:03:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:51,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:51,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:51,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:51,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:51,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:51,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:51,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 18:03:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:51,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:51,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:51,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:03:51,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 18:03:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:51,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:03:51,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 18:03:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 18:03:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:51,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:51,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:51,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:03:51,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:51,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 18:03:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:51,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 18:03:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 18:03:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:51,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:51,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:51,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:51,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:51,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:51,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:51,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-12 18:03:51,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839121737] [2020-10-12 18:03:51,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:03:51,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 18:03:51,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008352349] [2020-10-12 18:03:51,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:03:51,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:51,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:03:51,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:03:51,917 INFO L87 Difference]: Start difference. First operand 727 states and 939 transitions. Second operand 8 states. [2020-10-12 18:03:52,251 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:53,851 INFO L93 Difference]: Finished difference Result 1496 states and 2044 transitions. [2020-10-12 18:03:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 18:03:53,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 148 [2020-10-12 18:03:53,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:53,915 INFO L225 Difference]: With dead ends: 1496 [2020-10-12 18:03:53,915 INFO L226 Difference]: Without dead ends: 793 [2020-10-12 18:03:53,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:03:53,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-10-12 18:03:54,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 675. [2020-10-12 18:03:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-10-12 18:03:54,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 854 transitions. [2020-10-12 18:03:54,048 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 854 transitions. Word has length 148 [2020-10-12 18:03:54,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:54,050 INFO L479 AbstractCegarLoop]: Abstraction has 675 states and 854 transitions. [2020-10-12 18:03:54,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:03:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 854 transitions. [2020-10-12 18:03:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-12 18:03:54,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:54,056 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 18:03:54,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:03:54,056 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:54,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:54,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1921346336, now seen corresponding path program 1 times [2020-10-12 18:03:54,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:54,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002173432] [2020-10-12 18:03:54,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-12 18:03:54,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:03:54,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-12 18:03:54,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 18:03:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:03:54,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,548 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 18:03:54,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:54,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:54,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:54,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:03:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:54,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:54,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:03:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 18:03:54,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:03:54,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:03:54,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:03:54,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:03:54,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:03:54,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:03:54,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:03:54,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:03:54,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:03:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:54,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:54,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:54,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:54,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 18:03:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:54,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:03:54,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 18:03:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:03:54,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:03:54,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 18:03:54,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:03:54,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:54,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:54,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:54,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 18:03:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:03:54,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:54,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 18:03:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:54,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 18:03:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:54,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 18:03:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:03:54,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:54,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 18:03:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:54,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 18:03:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:03:54,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:54,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:54,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 18:03:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:54,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 18:03:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:54,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:54,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:54,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:54,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:54,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-12 18:03:54,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002173432] [2020-10-12 18:03:54,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:03:54,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:03:54,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236905441] [2020-10-12 18:03:54,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:03:54,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:54,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:03:54,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:03:54,919 INFO L87 Difference]: Start difference. First operand 675 states and 854 transitions. Second operand 7 states. [2020-10-12 18:03:55,350 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:56,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:56,365 INFO L93 Difference]: Finished difference Result 1094 states and 1327 transitions. [2020-10-12 18:03:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:03:56,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2020-10-12 18:03:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:56,372 INFO L225 Difference]: With dead ends: 1094 [2020-10-12 18:03:56,372 INFO L226 Difference]: Without dead ends: 643 [2020-10-12 18:03:56,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-12 18:03:56,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-10-12 18:03:56,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 612. [2020-10-12 18:03:56,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-12 18:03:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 726 transitions. [2020-10-12 18:03:56,476 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 726 transitions. Word has length 192 [2020-10-12 18:03:56,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:56,477 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 726 transitions. [2020-10-12 18:03:56,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:03:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 726 transitions. [2020-10-12 18:03:56,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-12 18:03:56,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:56,482 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 18:03:56,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:03:56,482 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:56,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:56,482 INFO L82 PathProgramCache]: Analyzing trace with hash -706947900, now seen corresponding path program 1 times [2020-10-12 18:03:56,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:56,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355158767] [2020-10-12 18:03:56,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 18:03:56,537 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 18:03:56,537 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 18:03:56,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:03:56,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:03:56 BoogieIcfgContainer [2020-10-12 18:03:56,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 18:03:56,603 INFO L168 Benchmark]: Toolchain (without parser) took 60987.50 ms. Allocated memory was 140.0 MB in the beginning and 870.8 MB in the end (delta: 730.9 MB). Free memory was 101.4 MB in the beginning and 729.1 MB in the end (delta: -627.6 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:56,609 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 18:03:56,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.08 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.2 MB in the beginning and 170.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:56,616 INFO L168 Benchmark]: Boogie Preprocessor took 96.38 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 166.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:56,617 INFO L168 Benchmark]: RCFGBuilder took 1152.78 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 166.0 MB in the beginning and 195.8 MB in the end (delta: -29.8 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:56,619 INFO L168 Benchmark]: TraceAbstraction took 59088.03 ms. Allocated memory was 236.5 MB in the beginning and 870.8 MB in the end (delta: 634.4 MB). Free memory was 195.8 MB in the beginning and 729.1 MB in the end (delta: -533.3 MB). Peak memory consumption was 101.1 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:56,626 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.08 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.2 MB in the beginning and 170.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.38 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 166.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1152.78 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 166.0 MB in the beginning and 195.8 MB in the end (delta: -29.8 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 59088.03 ms. Allocated memory was 236.5 MB in the beginning and 870.8 MB in the end (delta: 634.4 MB). Free memory was 195.8 MB in the beginning and 729.1 MB in the end (delta: -533.3 MB). Peak memory consumption was 101.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 317]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L117] int pumpRunning = 0; [L118] int systemActive = 1; [L491] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L715] int cleanupTimeShifts = 4; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; [L791] int retValue_acc ; [L792] int tmp ; [L796] FCALL select_helpers() [L797] FCALL select_features() [L798] CALL, EXPR valid_product() [L934] int retValue_acc ; [L937] retValue_acc = 1 [L938] return (retValue_acc); [L798] RET, EXPR valid_product() [L798] tmp = valid_product() [L800] COND TRUE \read(tmp) [L802] FCALL setup() [L803] CALL runTest() [L782] CALL test() [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND TRUE \read(tmp) [L66] CALL waterRise() [L832] COND TRUE waterLevel < 2 [L833] waterLevel = waterLevel + 1 [L66] RET waterRise() [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L97] CALL timeShift() [L125] COND FALSE !(\read(pumpRunning)) [L132] COND TRUE \read(systemActive) [L134] CALL processEnvironment() [L180] int tmp ; [L183] COND FALSE !(\read(pumpRunning)) [L198] CALL processEnvironment__wrappee__methaneQuery() [L154] int tmp ; [L157] COND TRUE ! pumpRunning [L159] CALL, EXPR isHighWaterLevel() [L294] int retValue_acc ; [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isHighWaterSensorDry() [L894] int retValue_acc ; [L897] COND FALSE !(waterLevel < 2) [L901] retValue_acc = 0 [L902] return (retValue_acc); [L300] RET, EXPR isHighWaterSensorDry() [L300] tmp = isHighWaterSensorDry() [L302] COND FALSE !(\read(tmp)) [L305] tmp___0 = 1 [L307] retValue_acc = tmp___0 [L308] return (retValue_acc); [L159] RET, EXPR isHighWaterLevel() [L159] tmp = isHighWaterLevel() [L161] COND TRUE \read(tmp) [L163] CALL activatePump() [L213] int tmp ; [L217] CALL, EXPR isMethaneAlarm() [L238] int retValue_acc ; [L242] CALL, EXPR isMethaneLevelCritical() [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); [L242] RET, EXPR isMethaneLevelCritical() [L242] retValue_acc = isMethaneLevelCritical() [L244] return (retValue_acc); [L217] RET, EXPR isMethaneAlarm() [L217] tmp = isMethaneAlarm() [L219] COND FALSE !(\read(tmp)) [L223] CALL activatePump__wrappee__highWaterSensor() [L208] pumpRunning = 1 [L223] RET activatePump__wrappee__highWaterSensor() [L163] RET activatePump() [L198] RET processEnvironment__wrappee__methaneQuery() [L134] RET processEnvironment() [L140] CALL __utac_acc__Specification4_spec__1() [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L695] RET, EXPR getWaterLevel() [L695] tmp = getWaterLevel() [L697] COND FALSE !(tmp == 0) [L140] RET __utac_acc__Specification4_spec__1() [L97] RET timeShift() [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L97] CALL timeShift() [L125] COND TRUE \read(pumpRunning) [L127] CALL lowerWaterLevel() [L820] COND TRUE waterLevel > 0 [L821] waterLevel = waterLevel - 1 [L127] RET lowerWaterLevel() [L132] COND TRUE \read(systemActive) [L134] CALL processEnvironment() [L180] int tmp ; [L183] COND TRUE \read(pumpRunning) [L185] CALL, EXPR isMethaneAlarm() [L238] int retValue_acc ; [L242] CALL, EXPR isMethaneLevelCritical() [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); [L242] RET, EXPR isMethaneLevelCritical() [L242] retValue_acc = isMethaneLevelCritical() [L244] return (retValue_acc); [L185] RET, EXPR isMethaneAlarm() [L185] tmp = isMethaneAlarm() [L187] COND FALSE !(\read(tmp)) [L193] CALL processEnvironment__wrappee__methaneQuery() [L154] int tmp ; [L157] COND FALSE !(! pumpRunning) [L172] FCALL processEnvironment__wrappee__base() [L193] RET processEnvironment__wrappee__methaneQuery() [L134] RET processEnvironment() [L140] CALL __utac_acc__Specification4_spec__1() [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L695] RET, EXPR getWaterLevel() [L695] tmp = getWaterLevel() [L697] COND FALSE !(tmp == 0) [L140] RET __utac_acc__Specification4_spec__1() [L97] RET timeShift() [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L97] CALL timeShift() [L125] COND TRUE \read(pumpRunning) [L127] CALL lowerWaterLevel() [L820] COND TRUE waterLevel > 0 [L821] waterLevel = waterLevel - 1 [L127] RET lowerWaterLevel() [L132] COND TRUE \read(systemActive) [L134] CALL processEnvironment() [L180] int tmp ; [L183] COND TRUE \read(pumpRunning) [L185] CALL, EXPR isMethaneAlarm() [L238] int retValue_acc ; [L242] CALL, EXPR isMethaneLevelCritical() [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); [L242] RET, EXPR isMethaneLevelCritical() [L242] retValue_acc = isMethaneLevelCritical() [L244] return (retValue_acc); [L185] RET, EXPR isMethaneAlarm() [L185] tmp = isMethaneAlarm() [L187] COND FALSE !(\read(tmp)) [L193] CALL processEnvironment__wrappee__methaneQuery() [L154] int tmp ; [L157] COND FALSE !(! pumpRunning) [L172] FCALL processEnvironment__wrappee__base() [L193] RET processEnvironment__wrappee__methaneQuery() [L134] RET processEnvironment() [L140] CALL __utac_acc__Specification4_spec__1() [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L695] RET, EXPR getWaterLevel() [L695] tmp = getWaterLevel() [L697] COND TRUE tmp == 0 [L699] CALL, EXPR isPumpRunning() [L249] int retValue_acc ; [L252] retValue_acc = pumpRunning [L253] return (retValue_acc); [L699] RET, EXPR isPumpRunning() [L699] tmp___0 = isPumpRunning() [L701] COND TRUE \read(tmp___0) [L703] CALL __automaton_fail() [L317] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 58.9s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 33.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1016 SDtfs, 3365 SDslu, 1717 SDs, 0 SdLazy, 7680 SolverSat, 2301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 297 SyntacticMatches, 4 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=727occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 604 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 23.6s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 805 ConstructedInterpolants, 0 QuantifiedInterpolants, 333975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 161/173 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...