/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:11:44,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:11:44,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:11:44,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:11:44,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:11:44,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:11:44,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:11:44,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:11:44,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:11:44,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:11:44,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:11:44,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:11:44,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:11:44,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:11:44,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:11:44,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:11:44,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:11:44,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:11:44,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:11:44,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:11:44,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:11:44,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:11:44,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:11:44,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:11:44,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:11:44,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:11:44,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:11:44,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:11:44,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:11:44,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:11:44,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:11:44,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:11:44,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:11:44,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:11:44,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:11:44,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:11:44,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:11:44,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:11:44,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:11:44,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:11:44,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:11:44,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:11:44,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:11:44,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:11:44,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:11:44,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:11:44,779 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:11:44,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:11:44,780 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:11:44,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:11:44,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:11:44,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:11:44,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:11:44,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:11:44,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:11:44,782 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:11:44,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:11:44,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:11:44,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:11:44,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:11:44,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:11:44,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:11:44,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:11:44,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:11:44,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:11:44,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:11:44,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:11:44,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:11:44,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:11:44,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:11:44,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:11:44,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:11:45,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:11:45,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:11:45,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:11:45,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:11:45,300 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:11:45,301 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-09-25 12:11:45,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7063a6945/c06e2c4f741b43168b09a0be0b68b4e9/FLAG6340a36bf [2020-09-25 12:11:46,020 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:11:46,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-09-25 12:11:46,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7063a6945/c06e2c4f741b43168b09a0be0b68b4e9/FLAG6340a36bf [2020-09-25 12:11:46,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7063a6945/c06e2c4f741b43168b09a0be0b68b4e9 [2020-09-25 12:11:46,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:11:46,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:11:46,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:11:46,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:11:46,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:11:46,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:11:46" (1/1) ... [2020-09-25 12:11:46,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:46, skipping insertion in model container [2020-09-25 12:11:46,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:11:46" (1/1) ... [2020-09-25 12:11:46,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:11:46,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:11:46,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:11:46,818 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:11:47,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:11:47,061 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:11:47,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47 WrapperNode [2020-09-25 12:11:47,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:11:47,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:11:47,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:11:47,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:11:47,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (1/1) ... [2020-09-25 12:11:47,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (1/1) ... [2020-09-25 12:11:47,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (1/1) ... [2020-09-25 12:11:47,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (1/1) ... [2020-09-25 12:11:47,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (1/1) ... [2020-09-25 12:11:47,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (1/1) ... [2020-09-25 12:11:47,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (1/1) ... [2020-09-25 12:11:47,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:11:47,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:11:47,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:11:47,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:11:47,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:11:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:11:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:11:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:11:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:11:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:11:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:11:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:11:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:11:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:11:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:11:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:11:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:11:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:11:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:11:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:11:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:11:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:11:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:11:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:11:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:11:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:11:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:11:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:11:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:11:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:11:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:11:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:11:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:11:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:11:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:11:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:11:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:11:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:11:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:11:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:11:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:11:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:11:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:11:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:11:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:11:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:11:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:11:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:11:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:11:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:11:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:11:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:11:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:11:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:11:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:11:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:11:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:11:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:11:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:11:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:11:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:11:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:11:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:11:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:11:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:11:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:11:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:11:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:11:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:11:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:11:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:11:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:11:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:11:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:11:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:11:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:11:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:11:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:11:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:11:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:11:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:11:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:11:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:11:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:11:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:11:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:11:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:11:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:11:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:11:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:11:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:11:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:11:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:11:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:11:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:11:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:11:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:11:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:11:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:11:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:11:48,597 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:11:48,598 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:11:48,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:11:48 BoogieIcfgContainer [2020-09-25 12:11:48,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:11:48,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:11:48,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:11:48,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:11:48,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:11:46" (1/3) ... [2020-09-25 12:11:48,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626161cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:11:48, skipping insertion in model container [2020-09-25 12:11:48,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:47" (2/3) ... [2020-09-25 12:11:48,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626161cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:11:48, skipping insertion in model container [2020-09-25 12:11:48,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:11:48" (3/3) ... [2020-09-25 12:11:48,616 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2020-09-25 12:11:48,628 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:11:48,640 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:11:48,664 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:11:48,696 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:11:48,696 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:11:48,696 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:11:48,696 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:11:48,697 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:11:48,697 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:11:48,697 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:11:48,697 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:11:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states. [2020-09-25 12:11:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 12:11:48,749 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:48,750 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:48,751 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:48,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:48,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1341435663, now seen corresponding path program 1 times [2020-09-25 12:11:48,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:48,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995600270] [2020-09-25 12:11:48,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:49,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:49,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:51,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:51,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:54,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:54,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 12:11:54,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:11:54,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-09-25 12:11:54,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:54,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:54,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:11:54,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:11:54,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 12:11:54,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 12:11:54,735 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:54,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:54,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:55,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-09-25 12:11:55,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:11:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:55,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:55,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:55,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:55,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:55,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:55,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:55,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 12:11:55,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:55,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:55,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:11:55,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:55,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:55,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:11:55,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:11:55,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:11:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:55,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:11:55,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:11:55,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:55,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:55,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:55,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:55,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:55,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 12:11:55,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:11:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:55,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:55,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:55,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:11:55,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 12:11:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:55,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:55,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:55,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:55,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:55,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:11:55,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995600270] [2020-09-25 12:11:55,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:55,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:11:55,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975420580] [2020-09-25 12:11:55,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:11:55,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:55,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:11:55,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:11:55,383 INFO L87 Difference]: Start difference. First operand 365 states. Second operand 6 states. [2020-09-25 12:11:56,063 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:11:57,148 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:59,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:59,622 INFO L93 Difference]: Finished difference Result 926 states and 1112 transitions. [2020-09-25 12:11:59,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 12:11:59,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 12:11:59,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:59,661 INFO L225 Difference]: With dead ends: 926 [2020-09-25 12:11:59,661 INFO L226 Difference]: Without dead ends: 673 [2020-09-25 12:11:59,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:11:59,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2020-09-25 12:11:59,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 595. [2020-09-25 12:11:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-09-25 12:11:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 680 transitions. [2020-09-25 12:11:59,856 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 680 transitions. Word has length 160 [2020-09-25 12:11:59,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:59,858 INFO L479 AbstractCegarLoop]: Abstraction has 595 states and 680 transitions. [2020-09-25 12:11:59,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:11:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 680 transitions. [2020-09-25 12:11:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-25 12:11:59,865 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:59,865 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:59,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:11:59,866 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:59,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:59,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1788994446, now seen corresponding path program 1 times [2020-09-25 12:11:59,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:59,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927892652] [2020-09-25 12:11:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:59,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:00,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:00,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:00,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-09-25 12:12:04,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:12:04,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 12:12:04,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:12:04,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 12:12:04,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-25 12:12:04,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,360 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:05,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:05,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-25 12:12:05,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:12:05,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:05,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:05,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:05,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:05,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:05,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:12:05,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:05,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:05,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:05,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:05,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:05,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:12:05,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:12:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:12:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:05,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:12:05,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:12:05,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:05,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:05,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:05,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:12:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 12:12:05,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:12:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 12:12:05,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:12:05,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:12:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 12:12:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:12:05,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:12:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 12:12:05,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 12:12:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:12:05,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:12:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:12:05,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:12:05,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:12:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:12:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:05,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:05,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:05,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:05,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 12:12:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:05,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:05,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:05,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:05,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:05,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:05,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:05,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:05,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:05,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:05,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:05,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:05,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 12:12:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:06,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:06,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:06,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:06,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:06,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:06,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:06,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:06,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:12:06,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927892652] [2020-09-25 12:12:06,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:06,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:12:06,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159129098] [2020-09-25 12:12:06,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:12:06,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:06,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:12:06,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:12:06,104 INFO L87 Difference]: Start difference. First operand 595 states and 680 transitions. Second operand 8 states. [2020-09-25 12:12:06,648 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:08,675 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:09,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:12:09,771 INFO L93 Difference]: Finished difference Result 1557 states and 1919 transitions. [2020-09-25 12:12:09,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 12:12:09,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2020-09-25 12:12:09,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:12:09,782 INFO L225 Difference]: With dead ends: 1557 [2020-09-25 12:12:09,782 INFO L226 Difference]: Without dead ends: 1077 [2020-09-25 12:12:09,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:12:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-09-25 12:12:09,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 913. [2020-09-25 12:12:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2020-09-25 12:12:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1045 transitions. [2020-09-25 12:12:09,921 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1045 transitions. Word has length 188 [2020-09-25 12:12:09,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:12:09,922 INFO L479 AbstractCegarLoop]: Abstraction has 913 states and 1045 transitions. [2020-09-25 12:12:09,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:12:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1045 transitions. [2020-09-25 12:12:09,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 12:12:09,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:12:09,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:12:09,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:12:09,927 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:12:09,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:12:09,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1971675083, now seen corresponding path program 1 times [2020-09-25 12:12:09,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:12:09,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124675062] [2020-09-25 12:12:09,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:12:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:10,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:10,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:10,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:13,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 12:12:15,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:12:15,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 12:12:15,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:12:15,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 12:12:15,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 12:12:15,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,464 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:15,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:15,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 12:12:15,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 12:12:15,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:15,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:15,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:15,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:15,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:15,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:15,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:15,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:15,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:15,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:12:15,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:15,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:15,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:15,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:15,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:15,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:12:15,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:15,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:15,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:12:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 12:12:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:12:15,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:12:15,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:12:15,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:12:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:12:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:15,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 12:12:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:15,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:12:15,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:12:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:15,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:15,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 12:12:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:15,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:15,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:12:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:15,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:15,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 12:12:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:15,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:15,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:15,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:15,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:15,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:12:15,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:15,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 12:12:16,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124675062] [2020-09-25 12:12:16,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:16,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:12:16,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731830027] [2020-09-25 12:12:16,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:12:16,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:16,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:12:16,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:12:16,039 INFO L87 Difference]: Start difference. First operand 913 states and 1045 transitions. Second operand 11 states. [2020-09-25 12:12:16,554 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:17,605 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 12:12:18,221 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 12:12:20,087 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:20,443 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:12:20,751 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:12:21,065 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:21,377 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:12:21,748 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:23,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:12:23,409 INFO L93 Difference]: Finished difference Result 1855 states and 2217 transitions. [2020-09-25 12:12:23,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 12:12:23,410 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 12:12:23,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:12:23,418 INFO L225 Difference]: With dead ends: 1855 [2020-09-25 12:12:23,418 INFO L226 Difference]: Without dead ends: 1057 [2020-09-25 12:12:23,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2020-09-25 12:12:23,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2020-09-25 12:12:23,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 910. [2020-09-25 12:12:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-09-25 12:12:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1036 transitions. [2020-09-25 12:12:23,542 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1036 transitions. Word has length 179 [2020-09-25 12:12:23,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:12:23,543 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 1036 transitions. [2020-09-25 12:12:23,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:12:23,544 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1036 transitions. [2020-09-25 12:12:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 12:12:23,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:12:23,550 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:12:23,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:12:23,550 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:12:23,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:12:23,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1476641155, now seen corresponding path program 1 times [2020-09-25 12:12:23,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:12:23,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153087777] [2020-09-25 12:12:23,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:12:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:23,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 12:12:24,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 844 [2020-09-25 12:12:24,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-25 12:12:24,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:24,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:24,781 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:24,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:24,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:24,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 12:12:24,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:24,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:24,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:24,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:24,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:24,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:24,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:24,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:24,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:24,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:24,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:24,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:24,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:24,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:24,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:24,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:24,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:24,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:24,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:24,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:24,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:24,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:24,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:24,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:24,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:24,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:12:24,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:24,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:24,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:24,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:12:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:24,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:24,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:24,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:24,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:24,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:24,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:24,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:24,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:24,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:24,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:24,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:24,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:24,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:24,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:24,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:12:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:25,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-25 12:12:25,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:25,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 12:12:25,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:25,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 12:12:25,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 12:12:25,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 12:12:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 12:12:25,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 12:12:25,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 12:12:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:12:25,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 12:12:25,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:25,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:12:25,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:12:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:12:25,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:12:25,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:12:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:25,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:12:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:12:25,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:12:25,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:12:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 12:12:25,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:25,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:25,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:25,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:25,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:25,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:25,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:25,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:12:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:25,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:25,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 12:12:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:25,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:25,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:25,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:25,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 12:12:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:25,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:25,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:25,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:25,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:25,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:25,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:12:25,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153087777] [2020-09-25 12:12:25,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:25,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:12:25,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812666179] [2020-09-25 12:12:25,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:12:25,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:25,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:12:25,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:12:25,664 INFO L87 Difference]: Start difference. First operand 910 states and 1036 transitions. Second operand 9 states. [2020-09-25 12:12:27,024 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:27,352 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:12:27,692 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:28,052 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:12:28,386 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:12:29,839 INFO L93 Difference]: Finished difference Result 1859 states and 2230 transitions. [2020-09-25 12:12:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 12:12:29,840 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 235 [2020-09-25 12:12:29,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:12:29,847 INFO L225 Difference]: With dead ends: 1859 [2020-09-25 12:12:29,848 INFO L226 Difference]: Without dead ends: 1064 [2020-09-25 12:12:29,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 12:12:29,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2020-09-25 12:12:29,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 922. [2020-09-25 12:12:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 922 states. [2020-09-25 12:12:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1048 transitions. [2020-09-25 12:12:29,958 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1048 transitions. Word has length 235 [2020-09-25 12:12:29,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:12:29,959 INFO L479 AbstractCegarLoop]: Abstraction has 922 states and 1048 transitions. [2020-09-25 12:12:29,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:12:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1048 transitions. [2020-09-25 12:12:29,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 12:12:29,963 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:12:29,963 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:12:29,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:12:29,964 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:12:29,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:12:29,964 INFO L82 PathProgramCache]: Analyzing trace with hash -277522141, now seen corresponding path program 1 times [2020-09-25 12:12:29,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:12:29,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916276884] [2020-09-25 12:12:29,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:12:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:30,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:30,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:30,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 12:12:30,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 953 [2020-09-25 12:12:30,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:30,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-25 12:12:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:31,260 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:31,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:31,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 12:12:31,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:31,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:31,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:31,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:31,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:31,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:31,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:31,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:31,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:31,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:31,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:31,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:31,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:31,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:31,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:31,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:12:31,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:31,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:31,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:31,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:31,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:31,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:31,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:12:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:31,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:31,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:31,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:31,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:31,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:31,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:31,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:31,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:31,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:12:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:31,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 12:12:31,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:12:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:31,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:31,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 12:12:31,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 12:12:31,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:12:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:31,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:31,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 12:12:31,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 12:12:31,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:12:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:12:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:12:31,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:31,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:31,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:31,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:31,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:12:31,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:31,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 12:12:31,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:31,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:12:31,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:31,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:12:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:32,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:32,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:32,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:12:32,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:32,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:12:32,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:32,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:32,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:32,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:32,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:32,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:12:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:32,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:32,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:32,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:12:32,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:32,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:12:32,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:32,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:12:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:32,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:32,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:32,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:32,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:32,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 12:12:32,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:32,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:32,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:32,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:32,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:32,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:32,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:12:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:32,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:32,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:32,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:32,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:32,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:32,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:32,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:32,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:32,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:32,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:32,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:12:32,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:12:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:32,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:32,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:32,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:32,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:32,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:32,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:32,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:32,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:32,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:32,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:32,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 12:12:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:32,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:32,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:32,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:32,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:32,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:32,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:32,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:32,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:32,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 12:12:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:32,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:32,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:32,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:32,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:32,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:32,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:32,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:32,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:12:32,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916276884] [2020-09-25 12:12:32,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:32,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:12:32,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801650824] [2020-09-25 12:12:32,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:12:32,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:32,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:12:32,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:12:32,203 INFO L87 Difference]: Start difference. First operand 922 states and 1048 transitions. Second operand 10 states. [2020-09-25 12:12:33,744 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:12:34,048 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192