/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:05:00,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:05:00,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:05:00,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:05:00,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:05:00,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:05:00,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:05:00,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:05:00,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:05:00,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:05:00,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:05:00,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:05:00,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:05:00,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:05:00,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:05:00,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:05:00,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:05:00,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:05:00,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:05:00,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:05:00,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:05:00,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:05:00,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:05:00,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:05:00,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:05:00,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:05:00,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:05:00,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:05:00,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:05:00,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:05:00,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:05:00,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:05:00,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:05:00,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:05:00,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:05:00,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:05:00,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:05:00,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:05:00,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:05:00,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:05:00,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:05:00,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:05:00,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:05:00,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:05:00,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:05:00,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:05:00,237 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:05:00,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:05:00,238 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:05:00,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:05:00,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:05:00,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:05:00,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:05:00,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:05:00,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:05:00,239 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:05:00,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:05:00,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:05:00,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:05:00,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:05:00,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:05:00,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:05:00,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:05:00,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:05:00,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:05:00,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:05:00,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:05:00,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:05:00,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:05:00,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:05:00,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:05:00,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:05:00,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:05:00,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:05:00,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:05:00,743 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:05:00,743 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:05:00,744 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-09-25 12:05:00,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12ffa6e49/f2f70c923b0644f89694b35664fae94d/FLAGe567228f7 [2020-09-25 12:05:01,469 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:05:01,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_productSimulator.cil.c [2020-09-25 12:05:01,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12ffa6e49/f2f70c923b0644f89694b35664fae94d/FLAGe567228f7 [2020-09-25 12:05:01,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12ffa6e49/f2f70c923b0644f89694b35664fae94d [2020-09-25 12:05:01,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:05:01,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:05:01,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:05:01,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:05:01,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:05:01,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:05:01" (1/1) ... [2020-09-25 12:05:01,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:01, skipping insertion in model container [2020-09-25 12:05:01,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:05:01" (1/1) ... [2020-09-25 12:05:01,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:05:01,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:05:02,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:05:02,231 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:05:02,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:05:02,472 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:05:02,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02 WrapperNode [2020-09-25 12:05:02,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:05:02,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:05:02,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:05:02,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:05:02,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (1/1) ... [2020-09-25 12:05:02,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (1/1) ... [2020-09-25 12:05:02,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (1/1) ... [2020-09-25 12:05:02,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (1/1) ... [2020-09-25 12:05:02,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (1/1) ... [2020-09-25 12:05:02,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (1/1) ... [2020-09-25 12:05:02,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (1/1) ... [2020-09-25 12:05:02,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:05:02,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:05:02,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:05:02,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:05:02,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:05:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:05:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:05:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:05:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:05:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:05:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:05:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:05:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:05:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:05:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:05:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:05:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:05:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:05:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:05:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:05:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:05:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 12:05:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 12:05:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 12:05:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 12:05:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 12:05:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 12:05:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:05:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 12:05:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 12:05:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:05:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:05:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:05:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:05:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:05:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:05:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:05:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:05:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:05:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:05:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:05:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:05:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:05:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 12:05:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:05:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:05:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:05:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:05:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:05:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:05:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:05:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:05:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:05:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:05:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:05:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:05:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:05:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:05:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:05:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:05:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:05:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:05:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:05:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:05:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:05:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:05:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:05:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:05:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:05:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:05:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:05:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:05:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:05:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:05:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:05:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:05:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:05:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:05:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:05:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:05:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:05:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:05:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:05:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:05:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:05:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:05:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:05:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:05:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:05:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:05:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:05:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:05:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:05:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:05:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:05:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:05:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 12:05:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:05:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 12:05:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:05:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 12:05:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 12:05:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:05:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 12:05:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 12:05:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:05:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 12:05:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 12:05:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 12:05:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:05:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:05:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:05:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:05:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:05:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:05:04,161 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:05:04,161 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:05:04,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:05:04 BoogieIcfgContainer [2020-09-25 12:05:04,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:05:04,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:05:04,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:05:04,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:05:04,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:05:01" (1/3) ... [2020-09-25 12:05:04,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227231ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:05:04, skipping insertion in model container [2020-09-25 12:05:04,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:02" (2/3) ... [2020-09-25 12:05:04,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227231ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:05:04, skipping insertion in model container [2020-09-25 12:05:04,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:05:04" (3/3) ... [2020-09-25 12:05:04,182 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2020-09-25 12:05:04,195 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:05:04,208 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:05:04,235 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:05:04,274 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:05:04,274 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:05:04,275 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:05:04,275 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:05:04,275 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:05:04,275 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:05:04,275 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:05:04,275 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:05:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states. [2020-09-25 12:05:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 12:05:04,334 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:05:04,336 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 12:05:04,336 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:05:04,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:05:04,345 INFO L82 PathProgramCache]: Analyzing trace with hash 103979020, now seen corresponding path program 1 times [2020-09-25 12:05:04,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:05:04,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197046300] [2020-09-25 12:05:04,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:05:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:05,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:05,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:07,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:09,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:09,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 12:05:09,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:05:09,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5079 [2020-09-25 12:05:09,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:09,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:05:09,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-25 12:05:09,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-25 12:05:09,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:05:10,467 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 12:05:10,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:05:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:10,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:10,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:10,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:05:10,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:10,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-09-25 12:05:10,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:10,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 12:05:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:10,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 12:05:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:10,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:10,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:10,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:05:10,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:10,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:05:10,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:10,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:05:10,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:10,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 12:05:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:10,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:05:11,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 12:05:11,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:05:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:11,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:11,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:05:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:11,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:11,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:05:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:11,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:11,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:05:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:11,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:11,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:05:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:11,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:11,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:05:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:11,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:11,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 12:05:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:11,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:05:11,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:11,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:11,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 12:05:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:11,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:11,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:11,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:11,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 12:05:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:11,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:11,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 12:05:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:11,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:11,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 12:05:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:11,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:11,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:11,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:11,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:11,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:11,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:11,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:11,254 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 12:05:11,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197046300] [2020-09-25 12:05:11,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:05:11,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:05:11,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161349846] [2020-09-25 12:05:11,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:05:11,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:05:11,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:05:11,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:05:11,290 INFO L87 Difference]: Start difference. First operand 426 states. Second operand 6 states. [2020-09-25 12:05:12,011 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 12:05:16,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:05:16,827 INFO L93 Difference]: Finished difference Result 955 states and 1169 transitions. [2020-09-25 12:05:16,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 12:05:16,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 235 [2020-09-25 12:05:16,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:05:16,857 INFO L225 Difference]: With dead ends: 955 [2020-09-25 12:05:16,857 INFO L226 Difference]: Without dead ends: 686 [2020-09-25 12:05:16,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:05:16,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-09-25 12:05:17,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 588. [2020-09-25 12:05:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-09-25 12:05:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 678 transitions. [2020-09-25 12:05:17,065 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 678 transitions. Word has length 235 [2020-09-25 12:05:17,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:05:17,067 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 678 transitions. [2020-09-25 12:05:17,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:05:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 678 transitions. [2020-09-25 12:05:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-09-25 12:05:17,076 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:05:17,076 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 12:05:17,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:05:17,077 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:05:17,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:05:17,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1069443936, now seen corresponding path program 1 times [2020-09-25 12:05:17,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:05:17,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873146568] [2020-09-25 12:05:17,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:05:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:17,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:17,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:21,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:21,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-09-25 12:05:21,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:05:21,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4074 [2020-09-25 12:05:21,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:21,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:05:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 12:05:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-09-25 12:05:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:21,609 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 12:05:21,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:05:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:21,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:21,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:21,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:05:21,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:21,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-09-25 12:05:21,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:21,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 12:05:21,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:21,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 12:05:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:21,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:21,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:21,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:05:21,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:21,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:05:21,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:21,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:05:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 12:05:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:05:22,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 12:05:22,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:05:22,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:22,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:05:22,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:05:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:22,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:05:22,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:05:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:22,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:22,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:05:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:22,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:22,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:05:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:22,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:22,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:05:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:22,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:22,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 12:05:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:22,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:22,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 12:05:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:22,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:22,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:22,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 12:05:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 12:05:22,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:05:22,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:05:22,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:05:22,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:22,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:22,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:22,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:22,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:22,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 12:05:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:22,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:22,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:22,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 12:05:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:22,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:05:22,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:05:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:22,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 12:05:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:22,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:22,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:22,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:22,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:22,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:22,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:22,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:22,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:22,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:22,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:22,402 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 12:05:22,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873146568] [2020-09-25 12:05:22,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:05:22,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:05:22,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941625318] [2020-09-25 12:05:22,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:05:22,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:05:22,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:05:22,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:05:22,407 INFO L87 Difference]: Start difference. First operand 588 states and 678 transitions. Second operand 11 states. [2020-09-25 12:05:23,098 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 12:05:25,589 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 12:05:27,630 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-09-25 12:05:28,360 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-09-25 12:05:28,882 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 12:05:29,399 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 12:05:29,771 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 12:05:30,205 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 12:05:32,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:05:32,737 INFO L93 Difference]: Finished difference Result 1705 states and 2163 transitions. [2020-09-25 12:05:32,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 12:05:32,739 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 251 [2020-09-25 12:05:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:05:32,755 INFO L225 Difference]: With dead ends: 1705 [2020-09-25 12:05:32,755 INFO L226 Difference]: Without dead ends: 1269 [2020-09-25 12:05:32,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2020-09-25 12:05:32,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2020-09-25 12:05:32,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1043. [2020-09-25 12:05:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2020-09-25 12:05:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1234 transitions. [2020-09-25 12:05:32,956 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1234 transitions. Word has length 251 [2020-09-25 12:05:32,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:05:32,957 INFO L479 AbstractCegarLoop]: Abstraction has 1043 states and 1234 transitions. [2020-09-25 12:05:32,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:05:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1234 transitions. [2020-09-25 12:05:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-09-25 12:05:32,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:05:32,965 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, 1, 1, 1, 1, 1, 1] [2020-09-25 12:05:32,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:05:32,965 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:05:32,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:05:32,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1728095455, now seen corresponding path program 1 times [2020-09-25 12:05:32,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:05:32,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437065597] [2020-09-25 12:05:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:05:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:33,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:34,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:36,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-09-25 12:05:38,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:05:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 12:05:38,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:05:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 12:05:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-09-25 12:05:38,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,411 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 12:05:38,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:05:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:05:38,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-25 12:05:38,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:38,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 12:05:38,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 12:05:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:05:38,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:05:38,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:05:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:05:38,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 12:05:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:05:38,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 12:05:38,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:05:38,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:05:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:38,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:05:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:38,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:05:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:38,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:05:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:38,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:38,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:05:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:38,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 12:05:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:38,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:38,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 12:05:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:38,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:38,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:38,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-25 12:05:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:05:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:05:38,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 12:05:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 12:05:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 12:05:38,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:38,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 12:05:38,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:05:38,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:05:38,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:05:38,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:05:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:05:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 12:05:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:38,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:05:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 12:05:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:38,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:38,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:38,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:38,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:38,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:38,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:38,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:05:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-25 12:05:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:39,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:39,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:39,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,129 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 12:05:39,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437065597] [2020-09-25 12:05:39,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:05:39,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:05:39,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437303425] [2020-09-25 12:05:39,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:05:39,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:05:39,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:05:39,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:05:39,133 INFO L87 Difference]: Start difference. First operand 1043 states and 1234 transitions. Second operand 8 states. [2020-09-25 12:05:40,040 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 12:05:45,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:05:45,458 INFO L93 Difference]: Finished difference Result 2569 states and 3398 transitions. [2020-09-25 12:05:45,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 12:05:45,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 266 [2020-09-25 12:05:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:05:45,471 INFO L225 Difference]: With dead ends: 2569 [2020-09-25 12:05:45,471 INFO L226 Difference]: Without dead ends: 1678 [2020-09-25 12:05:45,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 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 12:05:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2020-09-25 12:05:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1435. [2020-09-25 12:05:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1435 states. [2020-09-25 12:05:45,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1746 transitions. [2020-09-25 12:05:45,702 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1746 transitions. Word has length 266 [2020-09-25 12:05:45,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:05:45,703 INFO L479 AbstractCegarLoop]: Abstraction has 1435 states and 1746 transitions. [2020-09-25 12:05:45,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:05:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1746 transitions. [2020-09-25 12:05:45,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-25 12:05:45,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:05:45,711 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 12:05:45,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:05:45,711 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:05:45,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:05:45,712 INFO L82 PathProgramCache]: Analyzing trace with hash -522870887, now seen corresponding path program 1 times [2020-09-25 12:05:45,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:05:45,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332708308] [2020-09-25 12:05:45,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:05:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 12:05:45,796 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 12:05:45,797 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 12:05:45,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:05:45,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:05:45 BoogieIcfgContainer [2020-09-25 12:05:45,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 12:05:45,855 INFO L168 Benchmark]: Toolchain (without parser) took 44147.88 ms. Allocated memory was 138.4 MB in the beginning and 773.8 MB in the end (delta: 635.4 MB). Free memory was 100.5 MB in the beginning and 399.3 MB in the end (delta: -298.9 MB). Peak memory consumption was 336.6 MB. Max. memory is 7.1 GB. [2020-09-25 12:05:45,856 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 12:05:45,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.30 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 168.8 MB in the end (delta: -69.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2020-09-25 12:05:45,860 INFO L168 Benchmark]: Boogie Preprocessor took 100.21 ms. Allocated memory is still 202.4 MB. Free memory was 168.8 MB in the beginning and 164.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-25 12:05:45,866 INFO L168 Benchmark]: RCFGBuilder took 1596.82 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.5 MB in the beginning and 161.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-09-25 12:05:45,867 INFO L168 Benchmark]: TraceAbstraction took 41680.81 ms. Allocated memory was 232.8 MB in the beginning and 773.8 MB in the end (delta: 541.1 MB). Free memory was 160.3 MB in the beginning and 399.3 MB in the end (delta: -239.0 MB). Peak memory consumption was 302.0 MB. Max. memory is 7.1 GB. [2020-09-25 12:05:45,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.30 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 168.8 MB in the end (delta: -69.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.21 ms. Allocated memory is still 202.4 MB. Free memory was 168.8 MB in the beginning and 164.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1596.82 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.5 MB in the beginning and 161.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41680.81 ms. Allocated memory was 232.8 MB in the beginning and 773.8 MB in the end (delta: 541.1 MB). Free memory was 160.3 MB in the beginning and 399.3 MB in the end (delta: -239.0 MB). Peak memory consumption was 302.0 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: 41.5s, OverallIterations: 4, TraceHistogramMax: 6, AutomataDifference: 22.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1062 SDtfs, 4358 SDslu, 850 SDs, 0 SdLazy, 4192 SolverSat, 2082 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1435occurred 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, 567 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 426891 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...