/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:08:57,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:08:57,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:08:57,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:08:57,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:08:57,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:08:57,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:08:57,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:08:57,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:08:57,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:08:57,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:08:57,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:08:57,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:08:57,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:08:57,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:08:57,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:08:57,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:08:57,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:08:57,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:08:57,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:08:57,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:08:57,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:08:57,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:08:57,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:08:57,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:08:57,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:08:57,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:08:57,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:08:57,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:08:57,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:08:57,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:08:57,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:08:57,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:08:57,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:08:57,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:08:57,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:08:57,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:08:57,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:08:57,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:08:57,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:08:57,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:08:57,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:08:57,883 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:08:57,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:08:57,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:08:57,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:08:57,886 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:08:57,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:08:57,886 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:08:57,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:08:57,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:08:57,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:08:57,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:08:57,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:08:57,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:08:57,888 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:08:57,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:08:57,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:08:57,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:08:57,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:08:57,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:08:57,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:08:57,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:08:57,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:08:57,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:08:57,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:08:57,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:08:57,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:08:57,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:08:57,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:08:57,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:08:57,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:08:58,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:08:58,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:08:58,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:08:58,383 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:08:58,384 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:08:58,385 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-25 13:08:58,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/982395d2c/72226dd5ec064f92a87ac51026933c36/FLAGc31f706c6 [2020-09-25 13:08:59,037 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:08:59,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-25 13:08:59,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/982395d2c/72226dd5ec064f92a87ac51026933c36/FLAGc31f706c6 [2020-09-25 13:08:59,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/982395d2c/72226dd5ec064f92a87ac51026933c36 [2020-09-25 13:08:59,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:08:59,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:08:59,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:08:59,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:08:59,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:08:59,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:08:59" (1/1) ... [2020-09-25 13:08:59,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:59, skipping insertion in model container [2020-09-25 13:08:59,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:08:59" (1/1) ... [2020-09-25 13:08:59,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:08:59,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:08:59,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:08:59,889 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:09:00,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:09:00,122 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:09:00,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00 WrapperNode [2020-09-25 13:09:00,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:09:00,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:09:00,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:09:00,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:09:00,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (1/1) ... [2020-09-25 13:09:00,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (1/1) ... [2020-09-25 13:09:00,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (1/1) ... [2020-09-25 13:09:00,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (1/1) ... [2020-09-25 13:09:00,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (1/1) ... [2020-09-25 13:09:00,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (1/1) ... [2020-09-25 13:09:00,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (1/1) ... [2020-09-25 13:09:00,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:09:00,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:09:00,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:09:00,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:09:00,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:09:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:09:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:09:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:09:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:09:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:09:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:09:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:09:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:09:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:09:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:09:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:09:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:09:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:09:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:09:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:09:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:09:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:09:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:09:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:09:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:09:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:09:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:09:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:09:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:09:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:09:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:09:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:09:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:09:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:09:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:09:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:09:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:09:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:09:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:09:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:09:00,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:09:00,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:09:00,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:09:00,321 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:09:00,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:09:00,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:09:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:09:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:09:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:09:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:09:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:09:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:09:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:09:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:09:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:09:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:09:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:09:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:09:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:09:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:09:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:09:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:09:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:09:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:09:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:09:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:09:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:09:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:09:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:09:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:09:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:09:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:09:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:09:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:09:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:09:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:09:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:09:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:09:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:09:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:09:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:09:01,583 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:09:01,583 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:09:01,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:01 BoogieIcfgContainer [2020-09-25 13:09:01,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:09:01,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:09:01,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:09:01,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:09:01,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:08:59" (1/3) ... [2020-09-25 13:09:01,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3c3836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:01, skipping insertion in model container [2020-09-25 13:09:01,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:00" (2/3) ... [2020-09-25 13:09:01,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3c3836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:01, skipping insertion in model container [2020-09-25 13:09:01,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:01" (3/3) ... [2020-09-25 13:09:01,601 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-09-25 13:09:01,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:09:01,626 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:09:01,651 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:09:01,689 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:09:01,689 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:09:01,690 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:09:01,690 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:09:01,690 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:09:01,690 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:09:01,690 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:09:01,690 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:09:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 13:09:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:09:01,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:01,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:09:01,745 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:01,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:01,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1187069653, now seen corresponding path program 1 times [2020-09-25 13:09:01,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:01,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809593488] [2020-09-25 13:09:01,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:02,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:02,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:03,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:04,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:05,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:09:07,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:09:07,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 13:09:07,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:09:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 13:09:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:09:07,694 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:07,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:08,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-09-25 13:09:08,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:09:08,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:08,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:08,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:08,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:08,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:08,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:08,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:08,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:08,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:08,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:08,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:09:08,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:08,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:08,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:08,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:08,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:08,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:08,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:09:08,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:09:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:08,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:08,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:08,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:09:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:08,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:08,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:09:08,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809593488] [2020-09-25 13:09:08,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:09:08,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:09:08,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226554199] [2020-09-25 13:09:08,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:09:08,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:08,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:09:08,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:09:08,344 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 5 states. [2020-09-25 13:09:08,999 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:09:10,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:10,077 INFO L93 Difference]: Finished difference Result 480 states and 569 transitions. [2020-09-25 13:09:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:09:10,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:09:10,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:10,100 INFO L225 Difference]: With dead ends: 480 [2020-09-25 13:09:10,100 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 13:09:10,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:09:10,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 13:09:10,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 259. [2020-09-25 13:09:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-25 13:09:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 281 transitions. [2020-09-25 13:09:10,261 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 281 transitions. Word has length 148 [2020-09-25 13:09:10,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:10,269 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 281 transitions. [2020-09-25 13:09:10,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:09:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2020-09-25 13:09:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 13:09:10,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:10,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:09:10,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:09:10,283 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:10,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:10,283 INFO L82 PathProgramCache]: Analyzing trace with hash 875705787, now seen corresponding path program 1 times [2020-09-25 13:09:10,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:10,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625510933] [2020-09-25 13:09:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:10,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:10,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 13:09:15,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:09:15,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 13:09:15,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 13:09:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:09:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:09:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,687 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:15,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:15,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 13:09:15,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:15,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:15,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:15,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:15,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:15,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:15,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:15,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:15,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:15,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:15,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:15,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:15,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:09:15,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:15,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:15,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:15,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:15,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:09:15,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 13:09:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:09:15,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:15,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 13:09:15,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 13:09:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:09:15,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:09:15,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:15,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:15,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:15,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:15,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:09:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:15,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:15,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:15,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:15,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 13:09:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:15,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:15,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:15,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:15,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:15,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:15,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:15,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:15,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:15,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:15,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:15,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:09:16,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625510933] [2020-09-25 13:09:16,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:09:16,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:09:16,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044718193] [2020-09-25 13:09:16,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:09:16,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:16,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:09:16,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:09:16,045 INFO L87 Difference]: Start difference. First operand 259 states and 281 transitions. Second operand 6 states. [2020-09-25 13:09:16,625 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:09:19,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:19,408 INFO L93 Difference]: Finished difference Result 578 states and 741 transitions. [2020-09-25 13:09:19,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:09:19,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 13:09:19,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:19,417 INFO L225 Difference]: With dead ends: 578 [2020-09-25 13:09:19,417 INFO L226 Difference]: Without dead ends: 575 [2020-09-25 13:09:19,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:09:19,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-09-25 13:09:19,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 403. [2020-09-25 13:09:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-25 13:09:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 453 transitions. [2020-09-25 13:09:19,520 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 453 transitions. Word has length 162 [2020-09-25 13:09:19,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:19,521 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 453 transitions. [2020-09-25 13:09:19,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:09:19,521 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 453 transitions. [2020-09-25 13:09:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 13:09:19,526 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:19,527 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:09:19,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:09:19,527 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:19,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:19,528 INFO L82 PathProgramCache]: Analyzing trace with hash -968580086, now seen corresponding path program 1 times [2020-09-25 13:09:19,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:19,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710079746] [2020-09-25 13:09:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:19,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:19,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:19,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:20,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:20,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:20,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:21,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:21,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:23,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:24,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:24,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-09-25 13:09:24,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 13:09:24,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 13:09:24,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:24,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 13:09:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 13:09:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 13:09:24,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:24,902 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:24,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:24,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:25,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 13:09:25,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:25,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:25,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:25,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:25,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:25,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:25,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:09:25,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:25,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:25,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:25,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:25,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:25,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:09:25,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:25,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:09:25,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:25,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:25,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:25,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:25,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:09:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 13:09:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:09:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-09-25 13:09:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:09:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:09:25,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:25,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 13:09:25,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:09:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:09:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:09:25,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:25,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:09:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:09:25,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:25,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:25,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:25,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 13:09:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 13:09:25,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:25,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 13:09:25,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:25,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:25,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:09:25,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:25,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 13:09:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 13:09:25,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:09:25,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-09-25 13:09:25,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:09:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 13:09:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 13:09:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:25,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:25,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:25,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:25,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:09:25,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:25,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:09:25,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:25,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:09:25,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:09:26,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:26,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:09:26,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:09:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:09:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:26,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:26,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:26,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:26,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:26,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:26,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 13:09:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:09:26,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 13:09:26,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:09:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:09:26,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:09:26,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:26,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:26,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:09:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:26,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:26,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:09:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:09:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 13:09:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:09:26,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:26,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:09:26,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:26,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:09:26,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:09:26,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:09:26,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:09:26,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:26,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:09:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:09:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:26,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:26,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:26,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:26,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:26,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:26,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 13:09:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:26,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:26,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:26,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:26,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:26,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:26,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-25 13:09:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:26,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:26,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:26,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:26,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:26,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:26,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:26,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:26,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 39 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-09-25 13:09:26,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710079746] [2020-09-25 13:09:26,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:09:26,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-25 13:09:26,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534888948] [2020-09-25 13:09:26,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 13:09:26,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:26,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 13:09:26,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-25 13:09:26,351 INFO L87 Difference]: Start difference. First operand 403 states and 453 transitions. Second operand 14 states. [2020-09-25 13:09:27,038 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:09:29,030 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 13:09:29,694 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:09:30,033 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:09:30,636 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 13:09:31,291 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 13:09:31,627 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:09:32,256 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 13:09:32,576 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:09:32,880 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:09:33,500 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 13:09:34,123 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 13:09:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:35,662 INFO L93 Difference]: Finished difference Result 903 states and 1138 transitions. [2020-09-25 13:09:35,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-25 13:09:35,663 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 249 [2020-09-25 13:09:35,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:35,668 INFO L225 Difference]: With dead ends: 903 [2020-09-25 13:09:35,668 INFO L226 Difference]: Without dead ends: 615 [2020-09-25 13:09:35,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=318, Invalid=1164, Unknown=0, NotChecked=0, Total=1482 [2020-09-25 13:09:35,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2020-09-25 13:09:35,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 495. [2020-09-25 13:09:35,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-09-25 13:09:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 552 transitions. [2020-09-25 13:09:35,772 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 552 transitions. Word has length 249 [2020-09-25 13:09:35,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:35,773 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 552 transitions. [2020-09-25 13:09:35,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 13:09:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 552 transitions. [2020-09-25 13:09:35,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-25 13:09:35,778 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:35,779 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:09:35,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:09:35,779 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:35,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:35,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1423543935, now seen corresponding path program 1 times [2020-09-25 13:09:35,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:35,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677125464] [2020-09-25 13:09:35,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:35,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:36,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:36,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:36,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:36,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:40,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:40,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-09-25 13:09:40,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:09:40,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 13:09:40,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:40,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:40,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:40,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 13:09:40,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-25 13:09:40,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:09:41,226 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:41,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:41,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:41,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 13:09:41,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:41,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:41,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:41,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:41,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:41,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:41,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:41,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:41,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:41,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:41,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:41,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:09:41,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:41,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:41,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:41,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:41,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:41,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:41,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:09:41,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:41,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:41,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:41,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:41,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:09:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 13:09:41,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:41,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-25 13:09:41,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 13:09:41,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:41,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 13:09:41,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:41,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 13:09:41,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:09:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 13:09:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:09:41,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:41,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:09:41,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 13:09:41,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:09:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 13:09:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:09:41,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:41,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:41,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:41,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:09:41,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:41,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 13:09:41,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:41,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:09:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:09:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:09:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:09:42,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:42,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:09:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:42,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:42,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:09:42,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 13:09:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:09:42,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:09:42,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:09:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:42,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:09:42,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:09:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:42,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:09:42,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 13:09:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:42,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:42,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:09:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 13:09:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:09:42,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:09:42,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-25 13:09:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:09:42,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:42,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:09:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:42,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:09:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-25 13:09:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:09:42,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:42,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:42,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:09:42,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-25 13:09:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:42,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:42,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-25 13:09:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:42,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:42,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:42,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:42,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:42,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:42,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 13:09:42,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677125464] [2020-09-25 13:09:42,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:09:42,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 13:09:42,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410872844] [2020-09-25 13:09:42,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 13:09:42,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:42,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 13:09:42,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-25 13:09:42,306 INFO L87 Difference]: Start difference. First operand 495 states and 552 transitions. Second operand 13 states. [2020-09-25 13:09:43,192 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:09:44,143 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:09:44,489 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:44,851 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 13:09:45,177 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:09:45,512 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:45,820 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:09:47,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:47,190 INFO L93 Difference]: Finished difference Result 1030 states and 1238 transitions. [2020-09-25 13:09:47,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 13:09:47,190 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 268 [2020-09-25 13:09:47,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:47,198 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 13:09:47,199 INFO L226 Difference]: Without dead ends: 650 [2020-09-25 13:09:47,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2020-09-25 13:09:47,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-09-25 13:09:47,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 473. [2020-09-25 13:09:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-09-25 13:09:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 509 transitions. [2020-09-25 13:09:47,296 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 509 transitions. Word has length 268 [2020-09-25 13:09:47,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:47,296 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 509 transitions. [2020-09-25 13:09:47,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 13:09:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 509 transitions. [2020-09-25 13:09:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-09-25 13:09:47,302 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:47,303 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:09:47,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:09:47,304 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:47,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:47,304 INFO L82 PathProgramCache]: Analyzing trace with hash 948044147, now seen corresponding path program 1 times [2020-09-25 13:09:47,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:47,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108488293] [2020-09-25 13:09:47,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:47,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:47,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:47,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking...