/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=0.1 --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_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:50:21,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:50:21,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:50:21,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:50:21,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:50:21,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:50:21,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:50:21,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:50:21,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:50:21,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:50:21,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:50:21,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:50:21,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:50:21,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:50:21,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:50:21,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:50:21,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:50:21,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:50:21,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:50:21,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:50:21,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:50:21,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:50:21,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:50:21,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:50:21,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:50:21,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:50:21,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:50:21,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:50:21,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:50:21,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:50:21,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:50:21,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:50:21,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:50:21,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:50:21,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:50:21,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:50:21,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:50:21,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:50:21,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:50:21,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:50:21,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:50:21,806 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 09:50:21,834 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:50:21,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:50:21,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:50:21,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:50:21,836 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:50:21,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:50:21,837 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:50:21,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:50:21,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:50:21,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:50:21,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:50:21,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:50:21,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:50:21,838 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:50:21,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:50:21,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:50:21,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:50:21,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:50:21,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:50:21,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:50:21,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:50:21,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:50:21,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:50:21,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:50:21,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:50:21,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:50:21,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:50:21,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:50:21,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:50:21,842 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:50:22,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:50:22,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:50:22,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:50:22,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:50:22,339 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:50:22,340 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-09-25 09:50:22,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bcdc22fc/be0511ab7c8948eeb8b639b7df12d6c5/FLAG4ac8c5b91 [2020-09-25 09:50:23,029 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:50:23,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-09-25 09:50:23,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bcdc22fc/be0511ab7c8948eeb8b639b7df12d6c5/FLAG4ac8c5b91 [2020-09-25 09:50:23,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bcdc22fc/be0511ab7c8948eeb8b639b7df12d6c5 [2020-09-25 09:50:23,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:50:23,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:50:23,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:50:23,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:50:23,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:50:23,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:50:23" (1/1) ... [2020-09-25 09:50:23,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:23, skipping insertion in model container [2020-09-25 09:50:23,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:50:23" (1/1) ... [2020-09-25 09:50:23,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:50:23,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:50:23,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:50:23,971 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:50:24,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:50:24,156 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:50:24,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24 WrapperNode [2020-09-25 09:50:24,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:50:24,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:50:24,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:50:24,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:50:24,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (1/1) ... [2020-09-25 09:50:24,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (1/1) ... [2020-09-25 09:50:24,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (1/1) ... [2020-09-25 09:50:24,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (1/1) ... [2020-09-25 09:50:24,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (1/1) ... [2020-09-25 09:50:24,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (1/1) ... [2020-09-25 09:50:24,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (1/1) ... [2020-09-25 09:50:24,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:50:24,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:50:24,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:50:24,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:50:24,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (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 09:50:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:50:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:50:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:50:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:50:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:50:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:50:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:50:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:50:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:50:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:50:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:50:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:50:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:50:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:50:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:50:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:50:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 09:50:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 09:50:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 09:50:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 09:50:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 09:50:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 09:50:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:50:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 09:50:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 09:50:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:50:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:50:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:50:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:50:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:50:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:50:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:50:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:50:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:50:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:50:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:50:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:50:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:50:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 09:50:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:50:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:50:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:50:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:50:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:50:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:50:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:50:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:50:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:50:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:50:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:50:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:50:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:50:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:50:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:50:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:50:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:50:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:50:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:50:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:50:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:50:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:50:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:50:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:50:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:50:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:50:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:50:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:50:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:50:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:50:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:50:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:50:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:50:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:50:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:50:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:50:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:50:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:50:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:50:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:50:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:50:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:50:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:50:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:50:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:50:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:50:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:50:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:50:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:50:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:50:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:50:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:50:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 09:50:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:50:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 09:50:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:50:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 09:50:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 09:50:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:50:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 09:50:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 09:50:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:50:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 09:50:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 09:50:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 09:50:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:50:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:50:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:50:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:50:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:50:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:50:25,755 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:50:25,756 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:50:25,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:50:25 BoogieIcfgContainer [2020-09-25 09:50:25,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:50:25,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:50:25,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:50:25,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:50:25,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:50:23" (1/3) ... [2020-09-25 09:50:25,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784deda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:50:25, skipping insertion in model container [2020-09-25 09:50:25,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:50:24" (2/3) ... [2020-09-25 09:50:25,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784deda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:50:25, skipping insertion in model container [2020-09-25 09:50:25,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:50:25" (3/3) ... [2020-09-25 09:50:25,777 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2020-09-25 09:50:25,790 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:50:25,805 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:50:25,829 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:50:25,878 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:50:25,882 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:50:25,882 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:50:25,883 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:50:25,883 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:50:25,883 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:50:25,883 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:50:25,883 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:50:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states. [2020-09-25 09:50:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 09:50:25,985 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:50:25,986 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:50:25,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:50:25,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:50:25,995 INFO L82 PathProgramCache]: Analyzing trace with hash 103979020, now seen corresponding path program 1 times [2020-09-25 09:50:26,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:50:26,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069396152] [2020-09-25 09:50:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:50:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:26,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:26,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:28,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:31,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:31,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 09:50:31,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:50:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 09:50:31,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:31,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:50:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 09:50:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-09-25 09:50:31,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:50:32,191 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 09:50:32,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:50:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:50:32,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-09-25 09:50:32,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 09:50:32,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:32,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 09:50:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:50:32,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:50:32,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:50:32,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:32,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 09:50:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:50:32,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 09:50:32,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 09:50:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:32,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:50:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:32,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:32,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:32,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:32,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 09:50:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:32,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:32,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:32,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 09:50:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:32,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:32,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:32,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:32,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:32,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 09:50:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:32,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:32,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 09:50:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:32,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:32,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:32,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:32,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:32,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 09:50:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:32,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:32,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:32,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:32,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:32,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:50:32,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:32,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:32,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:33,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:50:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:33,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:33,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:33,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:33,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:50:33,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:33,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:33,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:33,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:50:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:33,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:33,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:33,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:33,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:33,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:33,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:33,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:33,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 09:50:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:33,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:33,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:33,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:33,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:33,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:50:33,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:33,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:33,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 09:50:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:33,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:33,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:33,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:33,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:33,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:50:33,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:33,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:50:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:33,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:33,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 09:50:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:33,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:33,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:33,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:33,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:33,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:33,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:33,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 09:50:33,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069396152] [2020-09-25 09:50:33,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:50:33,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:50:33,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315187052] [2020-09-25 09:50:33,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:50:33,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:50:33,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:50:33,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:50:33,204 INFO L87 Difference]: Start difference. First operand 426 states. Second operand 10 states. [2020-09-25 09:50:33,962 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 09:50:36,940 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:50:37,427 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 09:50:38,020 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:50:38,515 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 09:50:38,909 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 09:50:39,349 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:50:39,787 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:50:43,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:50:43,157 INFO L93 Difference]: Finished difference Result 934 states and 1166 transitions. [2020-09-25 09:50:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 09:50:43,160 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 235 [2020-09-25 09:50:43,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:50:43,189 INFO L225 Difference]: With dead ends: 934 [2020-09-25 09:50:43,190 INFO L226 Difference]: Without dead ends: 665 [2020-09-25 09:50:43,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-09-25 09:50:43,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-09-25 09:50:43,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 602. [2020-09-25 09:50:43,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-09-25 09:50:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 702 transitions. [2020-09-25 09:50:43,433 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 702 transitions. Word has length 235 [2020-09-25 09:50:43,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:50:43,434 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 702 transitions. [2020-09-25 09:50:43,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:50:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 702 transitions. [2020-09-25 09:50:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-09-25 09:50:43,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:50:43,443 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:50:43,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:50:43,444 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:50:43,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:50:43,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1241205234, now seen corresponding path program 1 times [2020-09-25 09:50:43,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:50:43,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339467367] [2020-09-25 09:50:43,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:50:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:43,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:44,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:44,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 09:50:44,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:44,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1369 [2020-09-25 09:50:44,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:44,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:44,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:50:44,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-25 09:50:44,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-25 09:50:44,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,275 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 09:50:45,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:50:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:50:45,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-09-25 09:50:45,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 09:50:45,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 09:50:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:50:45,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:50:45,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:45,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:50:45,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 09:50:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:50:45,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 09:50:45,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 09:50:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:50:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:45,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:45,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:45,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 09:50:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:45,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:45,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:45,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 09:50:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:45,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:45,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:45,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 09:50:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:45,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:45,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 09:50:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:45,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:45,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:45,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:45,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 09:50:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:45,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:45,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:50:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:45,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:50:45,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:45,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:50:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:45,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:45,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:45,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:50:45,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:45,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 09:50:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:45,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:46,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:46,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:50:46,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:46,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:50:46,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:46,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:50:46,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:46,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 09:50:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:46,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:46,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:46,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:46,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:46,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:46,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:46,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:46,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 09:50:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:46,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:46,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:46,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:46,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:46,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:46,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 09:50:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:46,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:46,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:46,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:46,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:46,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:46,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:46,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 09:50:46,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339467367] [2020-09-25 09:50:46,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:50:46,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:50:46,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230144252] [2020-09-25 09:50:46,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:50:46,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:50:46,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:50:46,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:50:46,160 INFO L87 Difference]: Start difference. First operand 602 states and 702 transitions. Second operand 7 states. [2020-09-25 09:50:46,808 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 09:50:51,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:50:51,764 INFO L93 Difference]: Finished difference Result 1608 states and 1972 transitions. [2020-09-25 09:50:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 09:50:51,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 251 [2020-09-25 09:50:51,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:50:51,776 INFO L225 Difference]: With dead ends: 1608 [2020-09-25 09:50:51,776 INFO L226 Difference]: Without dead ends: 1158 [2020-09-25 09:50:51,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:50:51,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2020-09-25 09:50:51,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1003. [2020-09-25 09:50:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2020-09-25 09:50:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1188 transitions. [2020-09-25 09:50:52,000 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1188 transitions. Word has length 251 [2020-09-25 09:50:52,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:50:52,001 INFO L479 AbstractCegarLoop]: Abstraction has 1003 states and 1188 transitions. [2020-09-25 09:50:52,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:50:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1188 transitions. [2020-09-25 09:50:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-09-25 09:50:52,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:50:52,010 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:50:52,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:50:52,010 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:50:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:50:52,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1820510727, now seen corresponding path program 1 times [2020-09-25 09:50:52,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:50:52,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900175187] [2020-09-25 09:50:52,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:50:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:52,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:55,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:57,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:57,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-09-25 09:50:57,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:50:57,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 09:50:57,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:57,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:50:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 09:50:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-25 09:50:57,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:57,590 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 09:50:57,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:50:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:57,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:57,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:57,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:50:57,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-09-25 09:50:57,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:57,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:57,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 09:50:57,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 09:50:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:50:58,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:50:58,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:50:58,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 09:50:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:50:58,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 09:50:58,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 09:50:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:50:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:58,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:58,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 09:50:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:58,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 09:50:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:58,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 09:50:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:58,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 09:50:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:58,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:58,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 09:50:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:58,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:50:58,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:50:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:58,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:50:58,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:50:58,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:50:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:58,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:50:58,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:50:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:50:58,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 09:50:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:50:58,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:50:58,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:50:58,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 09:50:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 09:50:58,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:50:58,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 09:50:58,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:50:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 09:50:58,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:50:58,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:50:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:50:58,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:50:58,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:50:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:50:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:50:58,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:50:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:50:58,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 09:50:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:58,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:58,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:50:58,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 09:50:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:58,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:50:58,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 09:50:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:50:58,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:50:58,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:50:58,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:50:58,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:50:58,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:50:58,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:50:58,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:50:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:50:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:50:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:50:58,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:50:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 09:50:58,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [900175187] [2020-09-25 09:50:58,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:50:58,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:50:58,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713076937] [2020-09-25 09:50:58,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:50:58,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:50:58,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:50:58,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:50:58,650 INFO L87 Difference]: Start difference. First operand 1003 states and 1188 transitions. Second operand 8 states. [2020-09-25 09:50:59,322 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 09:51:04,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:04,396 INFO L93 Difference]: Finished difference Result 2511 states and 3324 transitions. [2020-09-25 09:51:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 09:51:04,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 256 [2020-09-25 09:51:04,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:04,408 INFO L225 Difference]: With dead ends: 2511 [2020-09-25 09:51:04,408 INFO L226 Difference]: Without dead ends: 1660 [2020-09-25 09:51:04,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-09-25 09:51:04,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2020-09-25 09:51:04,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1425. [2020-09-25 09:51:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2020-09-25 09:51:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1742 transitions. [2020-09-25 09:51:04,612 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1742 transitions. Word has length 256 [2020-09-25 09:51:04,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:04,614 INFO L479 AbstractCegarLoop]: Abstraction has 1425 states and 1742 transitions. [2020-09-25 09:51:04,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:51:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1742 transitions. [2020-09-25 09:51:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-25 09:51:04,621 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:04,622 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:51:04,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:51:04,622 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:04,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:04,623 INFO L82 PathProgramCache]: Analyzing trace with hash -522870887, now seen corresponding path program 1 times [2020-09-25 09:51:04,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:04,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484654808] [2020-09-25 09:51:04,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 09:51:04,709 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 09:51:04,709 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 09:51:04,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:51:04,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 09:51:04 BoogieIcfgContainer [2020-09-25 09:51:04,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 09:51:04,766 INFO L168 Benchmark]: Toolchain (without parser) took 41460.97 ms. Allocated memory was 138.9 MB in the beginning and 669.5 MB in the end (delta: 530.6 MB). Free memory was 101.1 MB in the beginning and 207.2 MB in the end (delta: -106.1 MB). Peak memory consumption was 424.5 MB. Max. memory is 7.1 GB. [2020-09-25 09:51:04,767 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 09:51:04,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.25 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 170.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-09-25 09:51:04,771 INFO L168 Benchmark]: Boogie Preprocessor took 107.11 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-25 09:51:04,779 INFO L168 Benchmark]: RCFGBuilder took 1499.15 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 162.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-09-25 09:51:04,781 INFO L168 Benchmark]: TraceAbstraction took 38998.12 ms. Allocated memory was 235.9 MB in the beginning and 669.5 MB in the end (delta: 433.6 MB). Free memory was 162.1 MB in the beginning and 207.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 388.5 MB. Max. memory is 7.1 GB. [2020-09-25 09:51:04,791 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 847.25 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 170.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.11 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1499.15 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 162.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38998.12 ms. Allocated memory was 235.9 MB in the beginning and 669.5 MB in the end (delta: 433.6 MB). Free memory was 162.1 MB in the beginning and 207.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 388.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1022]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L510] int __SELECTED_FEATURE_base ; [L511] int __SELECTED_FEATURE_highWaterSensor ; [L512] int __SELECTED_FEATURE_lowWaterSensor ; [L513] int __SELECTED_FEATURE_methaneQuery ; [L514] int __SELECTED_FEATURE_methaneAlarm ; [L515] int __SELECTED_FEATURE_stopCommand ; [L516] int __SELECTED_FEATURE_startCommand ; [L517] int __GUIDSL_ROOT_PRODUCTION ; [L605] int pumpRunning = 0; [L606] int systemActive = 1; [L1027] int waterLevel = 1; [L1028] int methaneLevelCritical = 0; [L487] int retValue_acc ; [L488] int tmp ; [L492] CALL select_helpers() [L968] __GUIDSL_ROOT_PRODUCTION = 1 [L492] RET select_helpers() [L493] CALL select_features() [L953] __SELECTED_FEATURE_base = 1 [L954] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L954] RET, EXPR select_one() [L954] __SELECTED_FEATURE_highWaterSensor = select_one() [L955] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L955] RET, EXPR select_one() [L955] __SELECTED_FEATURE_lowWaterSensor = select_one() [L956] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L956] RET, EXPR select_one() [L956] __SELECTED_FEATURE_methaneQuery = select_one() [L957] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L957] RET, EXPR select_one() [L957] __SELECTED_FEATURE_methaneAlarm = select_one() [L958] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L958] RET, EXPR select_one() [L958] __SELECTED_FEATURE_stopCommand = select_one() [L959] CALL, EXPR select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L959] RET, EXPR select_one() [L959] __SELECTED_FEATURE_startCommand = select_one() [L493] RET select_features() [L494] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = __SELECTED_FEATURE_base [L977] return (retValue_acc); [L494] RET, EXPR valid_product() [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L498] FCALL setup() [L499] CALL runTest() [L478] CALL test() [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 [L530] COND TRUE 1 [L532] COND TRUE splverifierCounter < 4 [L538] tmp = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp) [L542] CALL waterRise() [L1045] COND TRUE waterLevel < 2 [L1046] waterLevel = waterLevel + 1 [L542] RET waterRise() [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L570] tmp___1 = __VERIFIER_nondet_int() [L572] COND TRUE \read(tmp___1) [L573] COND TRUE \read(__SELECTED_FEATURE_stopCommand) [L575] CALL stopSystem() [L917] COND FALSE !(\read(pumpRunning)) [L924] systemActive = 0 [L575] RET stopSystem() [L585] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND FALSE !(\read(systemActive)) [L628] CALL __utac_acc__Specification3_spec__1() [L985] int tmp ; [L986] int tmp___0 ; [L987] int tmp___1 ; [L991] CALL, EXPR isMethaneLevelCritical() [L1066] int retValue_acc ; [L1069] retValue_acc = methaneLevelCritical [L1070] return (retValue_acc); [L991] RET, EXPR isMethaneLevelCritical() [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L997] CALL, EXPR getWaterLevel() [L1098] int retValue_acc ; [L1101] retValue_acc = waterLevel [L1102] return (retValue_acc); [L997] RET, EXPR getWaterLevel() [L997] tmp___0 = getWaterLevel() [L999] COND TRUE tmp___0 == 2 [L1001] CALL, EXPR isPumpRunning() [L831] int retValue_acc ; [L834] retValue_acc = pumpRunning [L835] return (retValue_acc); [L1001] RET, EXPR isPumpRunning() [L1001] tmp___1 = isPumpRunning() [L1003] COND FALSE !(\read(tmp___1)) [L1007] CALL __automaton_fail() [L1022] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 730 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 38.8s, OverallIterations: 4, TraceHistogramMax: 6, AutomataDifference: 21.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1072 SDtfs, 3383 SDslu, 870 SDs, 0 SdLazy, 4321 SolverSat, 1594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 115 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1425occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 453 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 1002 NumberOfCodeBlocks, 1002 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 739 ConstructedInterpolants, 0 QuantifiedInterpolants, 444749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 360/360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...