/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:30:41,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:30:41,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:30:41,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:30:41,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:30:41,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:30:41,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:30:41,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:30:41,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:30:41,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:30:41,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:30:41,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:30:41,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:30:41,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:30:41,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:30:41,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:30:41,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:30:41,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:30:41,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:30:41,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:30:41,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:30:41,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:30:41,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:30:41,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:30:41,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:30:41,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:30:41,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:30:41,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:30:41,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:30:41,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:30:41,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:30:41,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:30:41,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:30:41,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:30:41,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:30:41,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:30:41,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:30:41,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:30:41,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:30:41,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:30:41,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:30:41,244 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 [2020-10-29 11:30:41,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:30:41,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:30:41,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:30:41,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:30:41,317 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:30:41,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:30:41,318 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:30:41,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:30:41,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:30:41,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:30:41,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:30:41,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:30:41,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:30:41,320 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:30:41,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:30:41,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:30:41,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:30:41,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:30:41,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:30:41,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:30:41,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:30:41,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:30:41,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:30:41,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:30:41,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:30:41,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:30:41,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:30:41,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:30:41,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:30:41,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:30:41,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:30:41,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:30:41,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:30:41,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:30:41,835 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:30:41,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-10-29 11:30:41,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/881a21883/afa709f9517f4f97a99bf9ad67a6d93a/FLAG0e16ce106 [2020-10-29 11:30:42,738 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:30:42,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product41.cil.c [2020-10-29 11:30:42,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/881a21883/afa709f9517f4f97a99bf9ad67a6d93a/FLAG0e16ce106 [2020-10-29 11:30:42,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/881a21883/afa709f9517f4f97a99bf9ad67a6d93a [2020-10-29 11:30:42,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:30:42,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:30:42,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:30:42,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:30:42,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:30:42,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:30:42" (1/1) ... [2020-10-29 11:30:42,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223071a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:42, skipping insertion in model container [2020-10-29 11:30:42,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:30:42" (1/1) ... [2020-10-29 11:30:42,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:30:43,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:30:43,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:30:43,384 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:30:43,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:30:43,546 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:30:43,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43 WrapperNode [2020-10-29 11:30:43,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:30:43,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:30:43,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:30:43,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:30:43,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (1/1) ... [2020-10-29 11:30:43,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (1/1) ... [2020-10-29 11:30:43,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (1/1) ... [2020-10-29 11:30:43,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (1/1) ... [2020-10-29 11:30:43,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (1/1) ... [2020-10-29 11:30:43,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (1/1) ... [2020-10-29 11:30:43,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (1/1) ... [2020-10-29 11:30:43,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:30:43,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:30:43,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:30:43,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:30:43,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (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 [2020-10-29 11:30:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:30:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:30:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:30:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:30:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:30:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:30:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:30:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:30:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:30:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:30:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:30:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:30:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:30:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:30:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:30:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-29 11:30:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:30:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:30:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:30:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:30:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:30:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:30:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:30:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:30:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:30:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:30:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:30:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:30:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:30:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:30:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:30:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:30:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:30:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:30:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:30:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:30:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:30:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:30:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:30:43,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:30:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:30:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:30:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:30:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:30:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:30:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:30:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:30:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:30:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:30:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:30:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:30:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:30:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:30:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:30:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:30:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:30:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:30:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:30:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:30:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:30:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:30:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:30:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:30:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:30:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:30:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:30:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:30:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:30:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:30:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:30:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:30:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:30:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:30:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:30:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:30:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:30:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-29 11:30:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:30:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:30:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:30:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:30:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:30:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:30:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:30:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:30:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:30:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:30:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:30:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:30:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:30:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:30:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:30:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:30:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:30:45,322 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:30:45,322 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:30:45,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:30:45 BoogieIcfgContainer [2020-10-29 11:30:45,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:30:45,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:30:45,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:30:45,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:30:45,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:30:42" (1/3) ... [2020-10-29 11:30:45,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7633e4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:30:45, skipping insertion in model container [2020-10-29 11:30:45,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:43" (2/3) ... [2020-10-29 11:30:45,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7633e4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:30:45, skipping insertion in model container [2020-10-29 11:30:45,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:30:45" (3/3) ... [2020-10-29 11:30:45,338 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product41.cil.c [2020-10-29 11:30:45,353 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:30:45,359 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:30:45,376 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:30:45,414 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:30:45,415 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:30:45,415 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:30:45,416 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:30:45,416 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:30:45,416 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:30:45,416 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:30:45,417 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:30:45,448 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-29 11:30:45,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 11:30:45,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:30:45,467 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] [2020-10-29 11:30:45,468 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:30:45,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:30:45,480 INFO L82 PathProgramCache]: Analyzing trace with hash -368523965, now seen corresponding path program 1 times [2020-10-29 11:30:45,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:30:45,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013011154] [2020-10-29 11:30:45,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:30:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:46,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:46,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:46,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:47,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:47,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:50,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:50,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 11:30:50,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:30:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 11:30:50,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:50,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:50,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:50,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:50,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:30:50,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-29 11:30:51,398 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:30:51,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:30:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:51,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:51,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:51,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:51,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:51,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 11:30:51,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:51,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:30:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:51,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:30:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:51,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:51,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:51,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:51,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:51,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:51,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:51,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:51,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:30:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:51,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:51,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:51,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:51,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:51,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:30:51,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:51,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:51,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:51,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:51,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:51,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:51,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:30:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:51,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:51,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:51,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:51,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:51,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:30:51,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:51,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:51,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:51,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:51,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:51,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:30:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:51,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:51,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:51,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:51,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:51,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:30:51,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:51,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:51,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:51,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:30:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:51,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:51,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:51,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:51,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:51,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:30:51,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:51,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:51,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:51,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:30:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:51,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:51,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:51,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:51,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:30:51,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:51,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:51,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:51,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:51,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:30:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:51,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:51,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:51,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:51,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:30:51,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013011154] [2020-10-29 11:30:51,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:30:51,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 11:30:51,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066010927] [2020-10-29 11:30:51,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 11:30:51,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:30:51,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 11:30:51,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:30:51,736 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 5 states. [2020-10-29 11:30:52,274 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:30:53,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:30:53,453 INFO L93 Difference]: Finished difference Result 279 states and 364 transitions. [2020-10-29 11:30:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 11:30:53,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-29 11:30:53,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:30:53,469 INFO L225 Difference]: With dead ends: 279 [2020-10-29 11:30:53,469 INFO L226 Difference]: Without dead ends: 154 [2020-10-29 11:30:53,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:30:53,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-29 11:30:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 123. [2020-10-29 11:30:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-29 11:30:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-10-29 11:30:53,576 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2020-10-29 11:30:53,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:30:53,577 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-10-29 11:30:53,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 11:30:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-10-29 11:30:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 11:30:53,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:30:53,581 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] [2020-10-29 11:30:53,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:30:53,581 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:30:53,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:30:53,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1094933265, now seen corresponding path program 1 times [2020-10-29 11:30:53,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:30:53,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775905959] [2020-10-29 11:30:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:30:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:53,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:53,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:53,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:58,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:58,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:30:58,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:30:58,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 11:30:58,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:58,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:30:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 11:30:58,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:59,223 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:30:59,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:30:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:59,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 11:30:59,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:59,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:30:59,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:30:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:59,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:59,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:59,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:59,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:30:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:59,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:59,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:30:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:59,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:59,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:30:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:59,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:59,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:30:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:59,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:59,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:30:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:30:59,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:30:59,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:30:59,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:30:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:59,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:59,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:30:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:59,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:30:59,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:30:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:59,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:30:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:59,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:59,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:59,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:59,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:59,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:59,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:59,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:59,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:59,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:59,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:30:59,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775905959] [2020-10-29 11:30:59,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:30:59,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:30:59,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821363649] [2020-10-29 11:30:59,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:30:59,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:30:59,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:30:59,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:30:59,463 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 9 states. [2020-10-29 11:31:00,120 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:01,510 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:31:01,946 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:31:02,338 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:31:02,915 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:04,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:04,714 INFO L93 Difference]: Finished difference Result 394 states and 527 transitions. [2020-10-29 11:31:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 11:31:04,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-29 11:31:04,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:04,723 INFO L225 Difference]: With dead ends: 394 [2020-10-29 11:31:04,723 INFO L226 Difference]: Without dead ends: 282 [2020-10-29 11:31:04,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:31:04,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-29 11:31:04,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 198. [2020-10-29 11:31:04,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-29 11:31:04,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 233 transitions. [2020-10-29 11:31:04,813 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 233 transitions. Word has length 61 [2020-10-29 11:31:04,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:04,813 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 233 transitions. [2020-10-29 11:31:04,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:31:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 233 transitions. [2020-10-29 11:31:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 11:31:04,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:04,817 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] [2020-10-29 11:31:04,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:31:04,817 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:31:04,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:04,818 INFO L82 PathProgramCache]: Analyzing trace with hash -196126760, now seen corresponding path program 1 times [2020-10-29 11:31:04,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:04,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563854023] [2020-10-29 11:31:04,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:04,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:05,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:05,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:05,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:06,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:09,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:09,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 11:31:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:31:09,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4860 [2020-10-29 11:31:09,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:09,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:31:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 11:31:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,108 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:10,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:31:10,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:31:10,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:10,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:10,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:10,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:10,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:10,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:10,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:10,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:31:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:31:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:10,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:10,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:31:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:31:10,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:31:10,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:31:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:31:10,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:10,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:31:10,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 11:31:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 11:31:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:31:10,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563854023] [2020-10-29 11:31:10,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:31:10,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:31:10,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563448475] [2020-10-29 11:31:10,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:31:10,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:10,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:31:10,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:31:10,505 INFO L87 Difference]: Start difference. First operand 198 states and 233 transitions. Second operand 9 states. [2020-10-29 11:31:11,223 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:13,040 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:31:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:14,561 INFO L93 Difference]: Finished difference Result 623 states and 823 transitions. [2020-10-29 11:31:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 11:31:14,562 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-29 11:31:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:14,568 INFO L225 Difference]: With dead ends: 623 [2020-10-29 11:31:14,568 INFO L226 Difference]: Without dead ends: 453 [2020-10-29 11:31:14,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2020-10-29 11:31:14,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-10-29 11:31:14,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 338. [2020-10-29 11:31:14,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-29 11:31:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 401 transitions. [2020-10-29 11:31:14,699 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 401 transitions. Word has length 69 [2020-10-29 11:31:14,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:14,699 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 401 transitions. [2020-10-29 11:31:14,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:31:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 401 transitions. [2020-10-29 11:31:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-29 11:31:14,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:14,702 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] [2020-10-29 11:31:14,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:31:14,703 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:31:14,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:14,704 INFO L82 PathProgramCache]: Analyzing trace with hash -206105406, now seen corresponding path program 1 times [2020-10-29 11:31:14,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:14,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59620073] [2020-10-29 11:31:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:14,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-29 11:31:19,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:31:19,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4462 [2020-10-29 11:31:19,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:31:19,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 11:31:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,601 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:19,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 11:31:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:31:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:19,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:19,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:19,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:19,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:19,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:19,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:19,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:19,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:19,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:19,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:19,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:19,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:19,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:31:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:19,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:19,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:19,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:31:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:31:19,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:19,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:31:19,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:31:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 11:31:19,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:19,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:31:19,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 11:31:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:19,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:19,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:19,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:19,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:19,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:19,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 11:31:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:19,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:31:19,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:19,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 11:31:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:19,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:19,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:19,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:19,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:31:19,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:19,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:19,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:31:19,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59620073] [2020-10-29 11:31:19,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:31:19,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:31:19,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492021711] [2020-10-29 11:31:19,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:31:19,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:19,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:31:19,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:31:19,959 INFO L87 Difference]: Start difference. First operand 338 states and 401 transitions. Second operand 11 states. [2020-10-29 11:31:20,562 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:22,174 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:23,544 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:31:23,929 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:31:24,387 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:31:25,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:25,175 INFO L93 Difference]: Finished difference Result 760 states and 969 transitions. [2020-10-29 11:31:25,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 11:31:25,176 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2020-10-29 11:31:25,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:25,181 INFO L225 Difference]: With dead ends: 760 [2020-10-29 11:31:25,181 INFO L226 Difference]: Without dead ends: 450 [2020-10-29 11:31:25,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2020-10-29 11:31:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-10-29 11:31:25,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 337. [2020-10-29 11:31:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-10-29 11:31:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 398 transitions. [2020-10-29 11:31:25,287 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 398 transitions. Word has length 83 [2020-10-29 11:31:25,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:25,288 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 398 transitions. [2020-10-29 11:31:25,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:31:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 398 transitions. [2020-10-29 11:31:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-29 11:31:25,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:25,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:31:25,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:31:25,292 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:31:25,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:25,293 INFO L82 PathProgramCache]: Analyzing trace with hash 718864781, now seen corresponding path program 1 times [2020-10-29 11:31:25,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:25,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184601111] [2020-10-29 11:31:25,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:25,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:25,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:28,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 11:31:30,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:31:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 11:31:30,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:31:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 11:31:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 11:31:30,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,719 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:30,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:30,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:31:30,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:30,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:30,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:30,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:30,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:30,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:30,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:30,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:30,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:30,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:31:30,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:31:30,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:31:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:30,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:30,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:30,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:30,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:31:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:31:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 11:31:30,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 11:31:30,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:30,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:30,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:30,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:30,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:31:30,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:30,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:31:30,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:30,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:30,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:30,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:30,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:30,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:30,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 11:31:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:30,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:31:30,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:30,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 11:31:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:30,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:30,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:30,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:30,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:30,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:30,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:30,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 11:31:30,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184601111] [2020-10-29 11:31:30,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:31:30,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 11:31:30,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657026347] [2020-10-29 11:31:30,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 11:31:30,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:30,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 11:31:30,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:31:30,954 INFO L87 Difference]: Start difference. First operand 337 states and 398 transitions. Second operand 7 states. [2020-10-29 11:31:31,556 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:34,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:34,756 INFO L93 Difference]: Finished difference Result 786 states and 1040 transitions. [2020-10-29 11:31:34,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:31:34,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2020-10-29 11:31:34,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:34,765 INFO L225 Difference]: With dead ends: 786 [2020-10-29 11:31:34,765 INFO L226 Difference]: Without dead ends: 782 [2020-10-29 11:31:34,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:31:34,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-10-29 11:31:34,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 579. [2020-10-29 11:31:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-10-29 11:31:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 692 transitions. [2020-10-29 11:31:34,927 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 692 transitions. Word has length 99 [2020-10-29 11:31:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:34,927 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 692 transitions. [2020-10-29 11:31:34,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 11:31:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 692 transitions. [2020-10-29 11:31:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 11:31:34,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:34,933 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:31:34,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:31:34,933 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:31:34,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:34,934 INFO L82 PathProgramCache]: Analyzing trace with hash -395128667, now seen corresponding path program 1 times [2020-10-29 11:31:34,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:34,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2127493401] [2020-10-29 11:31:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:34,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:35,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:35,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:38,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:39,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:39,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-29 11:31:39,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:31:39,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 11:31:39,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:39,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 11:31:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-29 11:31:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 11:31:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:40,417 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:40,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:40,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 11:31:40,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:40,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:40,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:40,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:40,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:40,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:40,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:40,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:40,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:40,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:40,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:40,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:40,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:40,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:40,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:40,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:40,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:40,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:40,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:40,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:40,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:40,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:40,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:40,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:40,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:40,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:40,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:40,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:40,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:40,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:40,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:40,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:40,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:40,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:40,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:40,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:40,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:40,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:40,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:40,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:40,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:40,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:40,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:40,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:40,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:40,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:31:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:40,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:40,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:40,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:40,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:40,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:40,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:40,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:40,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:31:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:40,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:40,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 11:31:41,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:31:41,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 628 [2020-10-29 11:31:41,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:31:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 11:31:41,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:31:41,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 11:31:41,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:31:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 11:31:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:41,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:41,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:41,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:41,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:41,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:41,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:31:41,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:31:41,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:31:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 11:31:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:31:41,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:31:41,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:31:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:31:41,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:31:41,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:41,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:41,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:31:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:41,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:41,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:41,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:31:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:31:41,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:41,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:31:41,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:31:41,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:41,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:41,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:41,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:31:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:41,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:41,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:41,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 11:31:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:41,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:31:41,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:41,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:41,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 11:31:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:31:41,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:31:41,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:31:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:41,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:41,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:41,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:41,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 11:31:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:41,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:31:41,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:41,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 11:31:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:41,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:41,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:41,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:41,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:41,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:41,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 11:31:41,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2127493401] [2020-10-29 11:31:41,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:31:41,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 11:31:41,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072877258] [2020-10-29 11:31:41,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 11:31:41,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:41,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 11:31:41,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:31:41,801 INFO L87 Difference]: Start difference. First operand 579 states and 692 transitions. Second operand 16 states. [2020-10-29 11:31:42,828 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:31:44,408 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:31:44,888 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:31:45,369 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:31:45,765 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:46,234 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:46,670 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:31:47,154 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-29 11:31:47,614 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-29 11:31:48,224 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:31:48,645 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-29 11:31:51,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:51,420 INFO L93 Difference]: Finished difference Result 1568 states and 2158 transitions. [2020-10-29 11:31:51,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 11:31:51,421 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 141 [2020-10-29 11:31:51,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:51,434 INFO L225 Difference]: With dead ends: 1568 [2020-10-29 11:31:51,435 INFO L226 Difference]: Without dead ends: 957 [2020-10-29 11:31:51,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=457, Invalid=1435, Unknown=0, NotChecked=0, Total=1892 [2020-10-29 11:31:51,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2020-10-29 11:31:51,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 642. [2020-10-29 11:31:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-10-29 11:31:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 746 transitions. [2020-10-29 11:31:51,695 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 746 transitions. Word has length 141 [2020-10-29 11:31:51,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:51,696 INFO L481 AbstractCegarLoop]: Abstraction has 642 states and 746 transitions. [2020-10-29 11:31:51,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 11:31:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 746 transitions. [2020-10-29 11:31:51,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-29 11:31:51,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:51,705 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2020-10-29 11:31:51,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:31:51,705 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:31:51,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:51,706 INFO L82 PathProgramCache]: Analyzing trace with hash 739112693, now seen corresponding path program 1 times [2020-10-29 11:31:51,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:51,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1436558997] [2020-10-29 11:31:51,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:51,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:51,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:51,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:51,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:52,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:52,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:56,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:56,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-29 11:31:56,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:31:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 11:31:56,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:56,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-29 11:31:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-29 11:31:56,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,236 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:57,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 11:31:57,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:57,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:57,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:57,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:57,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:57,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:31:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 11:31:57,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 11:31:57,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:57,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 11:31:57,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:31:57,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:57,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 11:31:57,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:31:57,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:31:57,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:31:57,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:57,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:31:57,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:57,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:31:57,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:57,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:31:57,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:31:57,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:31:57,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:31:57,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:57,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:57,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:31:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:31:57,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:57,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:57,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:57,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 11:31:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 11:31:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 11:31:57,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:31:57,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:31:57,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:31:57,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:57,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:57,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 11:31:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:31:57,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:57,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:57,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:31:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:57,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:57,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 11:31:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-29 11:31:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:31:57,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:31:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:57,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:57,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-29 11:31:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:57,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:57,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-29 11:31:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:57,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:57,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:57,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:57,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:57,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:57,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:57,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:57,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:57,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 11:31:57,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1436558997] [2020-10-29 11:31:57,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:31:57,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 11:31:57,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273886112] [2020-10-29 11:31:57,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 11:31:57,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:57,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 11:31:57,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-29 11:31:57,781 INFO L87 Difference]: Start difference. First operand 642 states and 746 transitions. Second operand 13 states. [2020-10-29 11:31:58,758 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:31:59,616 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:32:00,029 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:32:00,449 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:32:00,863 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:32:03,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:32:03,130 INFO L93 Difference]: Finished difference Result 1558 states and 2050 transitions. [2020-10-29 11:32:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 11:32:03,131 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 172 [2020-10-29 11:32:03,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:32:03,139 INFO L225 Difference]: With dead ends: 1558 [2020-10-29 11:32:03,140 INFO L226 Difference]: Without dead ends: 944 [2020-10-29 11:32:03,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 11:32:03,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-29 11:32:03,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 647. [2020-10-29 11:32:03,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-10-29 11:32:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 741 transitions. [2020-10-29 11:32:03,322 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 741 transitions. Word has length 172 [2020-10-29 11:32:03,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:32:03,323 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 741 transitions. [2020-10-29 11:32:03,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 11:32:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 741 transitions. [2020-10-29 11:32:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-29 11:32:03,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:03,327 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-10-29 11:32:03,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:32:03,327 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:32:03,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:03,328 INFO L82 PathProgramCache]: Analyzing trace with hash -157389802, now seen corresponding path program 1 times [2020-10-29 11:32:03,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:03,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905137734] [2020-10-29 11:32:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:07,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4634 [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-29 11:32:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,383 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:32:08,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:32:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:08,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 11:32:08,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:32:08,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:08,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:08,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:08,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:32:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:08,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:08,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:08,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-10-29 11:32:08,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:08,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:08,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:08,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:32:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:08,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:08,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:08,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:32:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:08,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:32:08,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:32:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 11:32:08,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:32:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 11:32:08,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:32:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:32:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 11:32:08,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:32:08,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:32:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 11:32:08,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 11:32:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:32:08,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:32:08,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:32:08,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:32:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:32:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:08,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:32:08,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:08,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:32:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:08,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:32:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:32:08,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:08,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:32:08,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:08,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:08,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:08,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:08,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:32:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:32:08,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:32:08,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:32:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:08,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:08,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:08,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 11:32:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:08,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:08,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 11:32:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 11:32:08,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:32:08,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:32:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:32:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-29 11:32:08,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:08,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:08,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:32:08,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:32:08,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:32:08,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:08,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:08,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:08,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:32:08,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:08,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:08,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:08,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:08,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:08,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:08,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:32:08,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:08,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:09,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:09,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 11:32:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:32:09,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:32:09,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:09,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:09,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:32:09,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:09,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:09,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:32:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:09,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:09,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:09,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:09,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:09,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 11:32:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:09,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:09,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:32:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:32:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:32:09,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-29 11:32:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:32:09,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:09,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:09,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:32:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:09,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:09,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:09,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:09,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:09,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 11:32:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:09,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:09,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:09,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:09,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:09,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-29 11:32:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:09,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:09,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:09,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:09,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:09,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:09,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:09,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:09,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:09,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:09,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:09,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-29 11:32:09,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905137734] [2020-10-29 11:32:09,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:32:09,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 11:32:09,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597498797] [2020-10-29 11:32:09,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 11:32:09,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:32:09,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 11:32:09,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:32:09,154 INFO L87 Difference]: Start difference. First operand 647 states and 741 transitions. Second operand 16 states. [2020-10-29 11:32:10,638 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-29 11:32:12,223 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-29 11:32:13,044 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-29 11:32:13,835 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-29 11:32:14,234 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:32:14,650 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:32:15,080 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:32:15,466 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:32:17,574 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:32:18,862 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:32:19,272 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:32:19,663 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:32:20,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:32:20,234 INFO L93 Difference]: Finished difference Result 2137 states and 2669 transitions. [2020-10-29 11:32:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-29 11:32:20,235 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 176 [2020-10-29 11:32:20,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:32:20,244 INFO L225 Difference]: With dead ends: 2137 [2020-10-29 11:32:20,245 INFO L226 Difference]: Without dead ends: 1518 [2020-10-29 11:32:20,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=451, Invalid=1805, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 11:32:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2020-10-29 11:32:20,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1347. [2020-10-29 11:32:20,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-10-29 11:32:20,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1518 transitions. [2020-10-29 11:32:20,570 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1518 transitions. Word has length 176 [2020-10-29 11:32:20,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:32:20,570 INFO L481 AbstractCegarLoop]: Abstraction has 1347 states and 1518 transitions. [2020-10-29 11:32:20,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 11:32:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1518 transitions. [2020-10-29 11:32:20,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-29 11:32:20,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:20,577 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:32:20,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:32:20,577 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:32:20,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:20,578 INFO L82 PathProgramCache]: Analyzing trace with hash 988628879, now seen corresponding path program 1 times [2020-10-29 11:32:20,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:20,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964618927] [2020-10-29 11:32:20,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 11:32:20,626 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 11:32:20,626 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 11:32:20,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 11:32:20,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:32:20 BoogieIcfgContainer [2020-10-29 11:32:20,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:32:20,665 INFO L168 Benchmark]: Toolchain (without parser) took 97699.66 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 125.4 MB in the beginning and 379.7 MB in the end (delta: -254.3 MB). Peak memory consumption was 380.6 MB. Max. memory is 8.0 GB. [2020-10-29 11:32:20,666 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:32:20,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 103.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:32:20,667 INFO L168 Benchmark]: Boogie Preprocessor took 87.84 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 99.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:32:20,667 INFO L168 Benchmark]: RCFGBuilder took 1690.75 ms. Allocated memory is still 151.0 MB. Free memory was 99.5 MB in the beginning and 77.3 MB in the end (delta: 22.2 MB). Peak memory consumption was 41.8 MB. Max. memory is 8.0 GB. [2020-10-29 11:32:20,668 INFO L168 Benchmark]: TraceAbstraction took 95333.60 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 76.8 MB in the beginning and 379.7 MB in the end (delta: -302.9 MB). Peak memory consumption was 330.4 MB. Max. memory is 8.0 GB. [2020-10-29 11:32:20,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 575.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 103.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.84 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 99.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1690.75 ms. Allocated memory is still 151.0 MB. Free memory was 99.5 MB in the beginning and 77.3 MB in the end (delta: 22.2 MB). Peak memory consumption was 41.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 95333.60 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 76.8 MB in the beginning and 379.7 MB in the end (delta: -302.9 MB). Peak memory consumption was 330.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L45] int methAndRunningLastTime ; [L253] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int pumpRunning = 0; [L458] int systemActive = 1; [L630] int waterLevel = 1; [L631] int methaneLevelCritical = 0; [L837] int cleanupTimeShifts = 4; [L911] int retValue_acc ; [L912] int tmp ; [L916] FCALL select_helpers() [L917] FCALL select_features() [L918] CALL, EXPR valid_product() [L819] int retValue_acc ; [L822] retValue_acc = 1 [L823] return (retValue_acc); [L918] RET, EXPR valid_product() [L918] tmp = valid_product() [L920] COND TRUE \read(tmp) [L922] FCALL setup() [L923] CALL runTest() [L904] CALL __utac_acc__Specification2_spec__1() [L50] methAndRunningLastTime = 0 [L904] RET __utac_acc__Specification2_spec__1() [L905] CALL test() [L726] int splverifierCounter ; [L727] int tmp ; [L728] int tmp___0 ; [L729] int tmp___1 ; [L730] int tmp___2 ; [L733] splverifierCounter = 0 [L735] COND TRUE 1 [L737] COND TRUE splverifierCounter < 4 [L743] tmp = __VERIFIER_nondet_int() [L745] COND TRUE \read(tmp) [L747] CALL waterRise() [L648] COND TRUE waterLevel < 2 [L649] waterLevel = waterLevel + 1 [L747] RET waterRise() [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND FALSE !(\read(tmp___0)) [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND TRUE \read(tmp___2) [L778] CALL timeShift() [L464] COND FALSE !(\read(pumpRunning)) [L471] COND TRUE \read(systemActive) [L473] CALL processEnvironment() [L493] int tmp ; [L496] COND TRUE ! pumpRunning [L498] CALL, EXPR isHighWaterLevel() [L608] int retValue_acc ; [L609] int tmp ; [L610] int tmp___0 ; [L614] CALL, EXPR isHighWaterSensorDry() [L710] int retValue_acc ; [L713] COND FALSE !(waterLevel < 2) [L717] retValue_acc = 0 [L718] return (retValue_acc); [L614] RET, EXPR isHighWaterSensorDry() [L614] tmp = isHighWaterSensorDry() [L616] COND FALSE !(\read(tmp)) [L619] tmp___0 = 1 [L621] retValue_acc = tmp___0 [L622] return (retValue_acc); [L498] RET, EXPR isHighWaterLevel() [L498] tmp = isHighWaterLevel() [L500] COND TRUE \read(tmp) [L502] CALL activatePump() [L527] int tmp ; [L531] CALL, EXPR isMethaneAlarm() [L552] int retValue_acc ; [L556] CALL, EXPR isMethaneLevelCritical() [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); [L556] RET, EXPR isMethaneLevelCritical() [L556] retValue_acc = isMethaneLevelCritical() [L558] return (retValue_acc); [L531] RET, EXPR isMethaneAlarm() [L531] tmp = isMethaneAlarm() [L533] COND FALSE !(\read(tmp)) [L537] CALL activatePump__wrappee__highWaterSensor() [L521] pumpRunning = 1 [L537] RET activatePump__wrappee__highWaterSensor() [L502] RET activatePump() [L473] RET processEnvironment() [L479] CALL __utac_acc__Specification2_spec__2() [L55] int tmp ; [L56] int tmp___0 ; [L60] CALL, EXPR isMethaneLevelCritical() [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); [L60] RET, EXPR isMethaneLevelCritical() [L60] tmp = isMethaneLevelCritical() [L62] COND FALSE !(\read(tmp)) [L78] methAndRunningLastTime = 0 [L479] RET __utac_acc__Specification2_spec__2() [L778] RET timeShift() [L735] COND TRUE 1 [L737] COND TRUE splverifierCounter < 4 [L743] tmp = __VERIFIER_nondet_int() [L745] COND FALSE !(\read(tmp)) [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND TRUE \read(tmp___0) [L757] CALL changeMethaneLevel() [L660] COND FALSE !(\read(methaneLevelCritical)) [L663] methaneLevelCritical = 1 [L757] RET changeMethaneLevel() [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND TRUE \read(tmp___2) [L778] CALL timeShift() [L464] COND TRUE \read(pumpRunning) [L466] CALL lowerWaterLevel() [L636] COND TRUE waterLevel > 0 [L637] waterLevel = waterLevel - 1 [L466] RET lowerWaterLevel() [L471] COND TRUE \read(systemActive) [L473] CALL processEnvironment() [L493] int tmp ; [L496] COND FALSE !(! pumpRunning) [L511] FCALL processEnvironment__wrappee__base() [L473] RET processEnvironment() [L479] CALL __utac_acc__Specification2_spec__2() [L55] int tmp ; [L56] int tmp___0 ; [L60] CALL, EXPR isMethaneLevelCritical() [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); [L60] RET, EXPR isMethaneLevelCritical() [L60] tmp = isMethaneLevelCritical() [L62] COND TRUE \read(tmp) [L64] CALL, EXPR isPumpRunning() [L563] int retValue_acc ; [L566] retValue_acc = pumpRunning [L567] return (retValue_acc); [L64] RET, EXPR isPumpRunning() [L64] tmp___0 = isPumpRunning() [L66] COND TRUE \read(tmp___0) [L67] COND FALSE !(\read(methAndRunningLastTime)) [L72] methAndRunningLastTime = 1 [L479] RET __utac_acc__Specification2_spec__2() [L778] RET timeShift() [L735] COND TRUE 1 [L737] COND TRUE splverifierCounter < 4 [L743] tmp = __VERIFIER_nondet_int() [L745] COND FALSE !(\read(tmp)) [L753] tmp___0 = __VERIFIER_nondet_int() [L755] COND FALSE !(\read(tmp___0)) [L763] tmp___2 = __VERIFIER_nondet_int() [L765] COND TRUE \read(tmp___2) [L778] CALL timeShift() [L464] COND TRUE \read(pumpRunning) [L466] CALL lowerWaterLevel() [L636] COND TRUE waterLevel > 0 [L637] waterLevel = waterLevel - 1 [L466] RET lowerWaterLevel() [L471] COND TRUE \read(systemActive) [L473] CALL processEnvironment() [L493] int tmp ; [L496] COND FALSE !(! pumpRunning) [L511] FCALL processEnvironment__wrappee__base() [L473] RET processEnvironment() [L479] CALL __utac_acc__Specification2_spec__2() [L55] int tmp ; [L56] int tmp___0 ; [L60] CALL, EXPR isMethaneLevelCritical() [L669] int retValue_acc ; [L672] retValue_acc = methaneLevelCritical [L673] return (retValue_acc); [L60] RET, EXPR isMethaneLevelCritical() [L60] tmp = isMethaneLevelCritical() [L62] COND TRUE \read(tmp) [L64] CALL, EXPR isPumpRunning() [L563] int retValue_acc ; [L566] retValue_acc = pumpRunning [L567] return (retValue_acc); [L64] RET, EXPR isPumpRunning() [L64] tmp___0 = isPumpRunning() [L66] COND TRUE \read(tmp___0) [L67] COND TRUE \read(methAndRunningLastTime) [L69] CALL __automaton_fail() [L832] CALL reach_error() [L3] __assert_fail("0", "minepump_spec2_product41.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 239 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 95.2s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 46.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1023 SDtfs, 3424 SDslu, 1744 SDs, 0 SdLazy, 7864 SolverSat, 2360 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 524 GetRequests, 318 SyntacticMatches, 3 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1636 ImplicationChecksByTransitivity, 23.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1347occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1329 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 46.6s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 845 ConstructedInterpolants, 0 QuantifiedInterpolants, 399029 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 186/224 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...