/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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:02:35,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:02:35,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:02:35,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:02:35,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:02:35,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:02:35,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:02:35,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:02:35,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:02:35,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:02:35,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:02:35,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:02:35,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:02:35,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:02:35,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:02:35,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:02:35,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:02:35,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:02:35,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:02:35,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:02:35,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:02:35,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:02:35,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:02:35,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:02:35,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:02:35,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:02:35,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:02:35,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:02:35,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:02:35,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:02:35,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:02:35,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:02:35,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:02:35,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:02:35,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:02:35,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:02:35,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:02:35,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:02:35,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:02:35,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:02:35,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:02:35,880 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 11:02:35,922 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:02:35,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:02:35,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:02:35,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:02:35,926 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:02:35,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:02:35,926 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:02:35,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:02:35,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:02:35,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:02:35,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:02:35,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:02:35,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:02:35,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:02:35,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:02:35,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:02:35,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:02:35,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:02:35,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:02:35,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:02:35,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:02:35,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:02:35,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:02:35,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:02:35,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:02:35,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:02:35,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:02:35,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:02:35,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:02:35,933 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:02:36,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:02:36,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:02:36,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:02:36,421 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:02:36,422 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:02:36,423 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 11:02:36,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e31cd4316/79253d71788d485c8ba5c76694a8cb87/FLAG4b755b746 [2020-09-25 11:02:37,084 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:02:37,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 11:02:37,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e31cd4316/79253d71788d485c8ba5c76694a8cb87/FLAG4b755b746 [2020-09-25 11:02:37,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e31cd4316/79253d71788d485c8ba5c76694a8cb87 [2020-09-25 11:02:37,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:02:37,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:02:37,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:37,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:02:37,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:02:37,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:37" (1/1) ... [2020-09-25 11:02:37,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:37, skipping insertion in model container [2020-09-25 11:02:37,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:37" (1/1) ... [2020-09-25 11:02:37,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:02:37,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:02:37,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:37,912 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:02:38,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:38,170 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:02:38,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38 WrapperNode [2020-09-25 11:02:38,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:38,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:02:38,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:02:38,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:02:38,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (1/1) ... [2020-09-25 11:02:38,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (1/1) ... [2020-09-25 11:02:38,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (1/1) ... [2020-09-25 11:02:38,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (1/1) ... [2020-09-25 11:02:38,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (1/1) ... [2020-09-25 11:02:38,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (1/1) ... [2020-09-25 11:02:38,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (1/1) ... [2020-09-25 11:02:38,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:02:38,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:02:38,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:02:38,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:02:38,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (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 11:02:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:02:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:02:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:02:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:02:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:02:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:02:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:02:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:02:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:02:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:02:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:02:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:02:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:02:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:02:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:02:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:02:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:02:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 11:02:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:02:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:02:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:02:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:02:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:02:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:02:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:02:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:02:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:02:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:02:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:02:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:02:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:02:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:02:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:02:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:02:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:02:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:02:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:02:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:02:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:02:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:02:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:02:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:02:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:02:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:02:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:02:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:02:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:02:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 11:02:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:02:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:02:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:02:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:02:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:02:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:02:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:02:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:02:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:02:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:02:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:02:39,552 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:02:39,552 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:02:39,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:39 BoogieIcfgContainer [2020-09-25 11:02:39,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:02:39,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:02:39,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:02:39,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:02:39,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:02:37" (1/3) ... [2020-09-25 11:02:39,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ccc579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:39, skipping insertion in model container [2020-09-25 11:02:39,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:38" (2/3) ... [2020-09-25 11:02:39,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ccc579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:39, skipping insertion in model container [2020-09-25 11:02:39,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:39" (3/3) ... [2020-09-25 11:02:39,569 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-09-25 11:02:39,581 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:02:39,592 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:02:39,615 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:02:39,650 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:02:39,650 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:02:39,651 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:02:39,651 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:02:39,651 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:02:39,651 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:02:39,651 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:02:39,651 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:02:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-25 11:02:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:02:39,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:39,707 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:39,708 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:39,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:39,716 INFO L82 PathProgramCache]: Analyzing trace with hash 138985992, now seen corresponding path program 1 times [2020-09-25 11:02:39,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:39,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112713338] [2020-09-25 11:02:39,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:40,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:41,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:45,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:45,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 11:02:45,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 11:02:45,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:45,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:02:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:02:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 11:02:45,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 11:02:45,834 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:45,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:46,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-09-25 11:02:46,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:02:46,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:46,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:46,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:46,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:02:46,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:46,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:46,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:02:46,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:46,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:46,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:46,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:02:46,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:46,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:46,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:46,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:46,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:02:46,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:46,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:02:46,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:46,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:46,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:46,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 11:02:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:46,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:02:46,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:46,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:46,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:02:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:46,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:46,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:46,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:46,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 11:02:46,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:46,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:46,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:46,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:46,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 11:02:46,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112713338] [2020-09-25 11:02:46,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:46,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:02:46,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44522324] [2020-09-25 11:02:46,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:46,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:46,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:46,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:46,657 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 9 states. [2020-09-25 11:02:47,372 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:48,123 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:48,464 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:50,050 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:50,370 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:50,738 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:51,267 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:51,588 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:51,882 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:52,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:52,237 INFO L93 Difference]: Finished difference Result 584 states and 700 transitions. [2020-09-25 11:02:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:02:52,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 11:02:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:52,262 INFO L225 Difference]: With dead ends: 584 [2020-09-25 11:02:52,263 INFO L226 Difference]: Without dead ends: 395 [2020-09-25 11:02:52,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:02:52,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-25 11:02:52,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 349. [2020-09-25 11:02:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-09-25 11:02:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 389 transitions. [2020-09-25 11:02:52,401 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 389 transitions. Word has length 160 [2020-09-25 11:02:52,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:52,404 INFO L479 AbstractCegarLoop]: Abstraction has 349 states and 389 transitions. [2020-09-25 11:02:52,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:02:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 389 transitions. [2020-09-25 11:02:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 11:02:52,418 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:52,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:52,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:02:52,420 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:52,420 INFO L82 PathProgramCache]: Analyzing trace with hash 551895604, now seen corresponding path program 1 times [2020-09-25 11:02:52,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:52,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156729952] [2020-09-25 11:02:52,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:52,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 11:02:54,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:02:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1944 [2020-09-25 11:02:54,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 11:02:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:54,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,721 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:54,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:54,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 11:02:54,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:54,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:54,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:54,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:54,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:54,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:54,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:54,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:54,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:54,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:54,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:02:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:54,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:54,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:54,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:54,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:54,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:54,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:54,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:54,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:54,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:54,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:02:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:54,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:02:55,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 11:02:55,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:02:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:55,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 11:02:55,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:02:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:55,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:02:55,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:02:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:55,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:02:55,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:02:55,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:55,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 11:02:55,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:55,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:02:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:02:55,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:55,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:55,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:02:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:55,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:55,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:55,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:02:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:55,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:55,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 11:02:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:55,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:55,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:55,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 11:02:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:55,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:55,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:55,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:55,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:55,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:02:55,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156729952] [2020-09-25 11:02:55,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:55,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:02:55,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886905517] [2020-09-25 11:02:55,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:55,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:55,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:55,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:55,289 INFO L87 Difference]: Start difference. First operand 349 states and 389 transitions. Second operand 9 states. [2020-09-25 11:02:56,644 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:56,943 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:57,264 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:57,603 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:57,909 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:58,717 INFO L93 Difference]: Finished difference Result 672 states and 814 transitions. [2020-09-25 11:02:58,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:02:58,718 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2020-09-25 11:02:58,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:58,724 INFO L225 Difference]: With dead ends: 672 [2020-09-25 11:02:58,724 INFO L226 Difference]: Without dead ends: 438 [2020-09-25 11:02:58,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:02:58,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-09-25 11:02:58,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 358. [2020-09-25 11:02:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-09-25 11:02:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 401 transitions. [2020-09-25 11:02:58,784 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 401 transitions. Word has length 216 [2020-09-25 11:02:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:58,785 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 401 transitions. [2020-09-25 11:02:58,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:02:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 401 transitions. [2020-09-25 11:02:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-09-25 11:02:58,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:58,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:58,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:02:58,790 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:58,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:58,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1659788940, now seen corresponding path program 1 times [2020-09-25 11:02:58,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:58,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399299280] [2020-09-25 11:02:58,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:59,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:03,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:03,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 11:03:03,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:03:03,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 11:03:03,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:03,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:03:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:03:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-25 11:03:03,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,265 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:04,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:04,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-09-25 11:03:04,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:03:04,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:04,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:04,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:04,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:04,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:04,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:04,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:04,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:04,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:04,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:04,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:04,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:04,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:04,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:04,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:03:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 11:03:04,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 11:03:04,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:03:04,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:03:04,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 11:03:04,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:04,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:03:04,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:04,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:04,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:04,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:04,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:03:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:03:04,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:03:04,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 11:03:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:03:04,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:04,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:03:04,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:03:04,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:03:04,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:03:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:04,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:04,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:03:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:04,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:04,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:04,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:04,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:04,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:04,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:04,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:04,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:03:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:04,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:04,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:03:05,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:05,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-25 11:03:05,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:03:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:03:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:05,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:05,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:05,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 11:03:05,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:05,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:03:05,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:05,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:05,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:03:05,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:03:05,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 11:03:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:03:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:03:05,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:03:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:05,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:03:05,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:03:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:05,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 11:03:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:05,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:05,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 11:03:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:05,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:05,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 11:03:05,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399299280] [2020-09-25 11:03:05,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:03:05,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-25 11:03:05,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520486853] [2020-09-25 11:03:05,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-25 11:03:05,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:05,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-25 11:03:05,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-09-25 11:03:05,320 INFO L87 Difference]: Start difference. First operand 358 states and 401 transitions. Second operand 20 states. [2020-09-25 11:03:05,839 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:07,376 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:07,731 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:08,110 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:08,492 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:08,847 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:09,312 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:09,620 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:09,958 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:10,281 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:10,655 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:03:10,996 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:11,319 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:11,661 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:11,971 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:12,278 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:12,586 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:12,915 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:13,510 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-25 11:03:13,871 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:14,438 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:14,798 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:15,448 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:03:15,776 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:16,180 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:16,572 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:16,983 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:18,526 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-25 11:03:19,198 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-25 11:03:19,893 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-25 11:03:20,628 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-25 11:03:21,489 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 11:03:22,166 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-25 11:03:22,827 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 197 [2020-09-25 11:03:23,524 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 11:03:24,200 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-25 11:03:24,833 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 11:03:27,026 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:27,363 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:27,726 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:28,088 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:28,464 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:28,796 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 11:03:29,160 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 11:03:29,535 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:29,877 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 11:03:30,207 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193