/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:56:46,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:56:46,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:56:46,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:56:46,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:56:46,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:56:46,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:56:46,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:56:46,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:56:46,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:56:46,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:56:46,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:56:46,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:56:46,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:56:46,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:56:46,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:56:46,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:56:46,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:56:46,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:56:46,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:56:46,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:56:46,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:56:46,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:56:46,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:56:46,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:56:46,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:56:46,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:56:46,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:56:46,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:56:46,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:56:46,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:56:46,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:56:46,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:56:46,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:56:46,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:56:46,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:56:46,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:56:46,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:56:46,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:56:46,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:56:46,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:56:46,471 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 10:56:46,519 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:56:46,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:56:46,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:56:46,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:56:46,523 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:56:46,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:56:46,523 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:56:46,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:56:46,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:56:46,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:56:46,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:56:46,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:56:46,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:56:46,526 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:56:46,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:56:46,526 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:56:46,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:56:46,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:56:46,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:56:46,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:56:46,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:56:46,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:56:46,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:56:46,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:56:46,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:56:46,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:56:46,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:56:46,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:56:46,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:56:46,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 10:56:46,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:56:46,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:56:46,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:56:46,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:56:47,000 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:56:47,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product32.cil.c [2020-09-25 10:56:47,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfe8a6d11/a7d3bbbd3c7b434687120258c6e29e82/FLAG859ab4fe3 [2020-09-25 10:56:47,730 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:56:47,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product32.cil.c [2020-09-25 10:56:47,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfe8a6d11/a7d3bbbd3c7b434687120258c6e29e82/FLAG859ab4fe3 [2020-09-25 10:56:47,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfe8a6d11/a7d3bbbd3c7b434687120258c6e29e82 [2020-09-25 10:56:48,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:56:48,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:56:48,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:56:48,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:56:48,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:56:48,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:56:47" (1/1) ... [2020-09-25 10:56:48,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48, skipping insertion in model container [2020-09-25 10:56:48,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:56:47" (1/1) ... [2020-09-25 10:56:48,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:56:48,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:56:48,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:56:48,484 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:56:48,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:56:48,816 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:56:48,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48 WrapperNode [2020-09-25 10:56:48,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:56:48,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:56:48,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:56:48,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:56:48,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (1/1) ... [2020-09-25 10:56:48,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (1/1) ... [2020-09-25 10:56:48,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (1/1) ... [2020-09-25 10:56:48,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (1/1) ... [2020-09-25 10:56:48,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (1/1) ... [2020-09-25 10:56:48,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (1/1) ... [2020-09-25 10:56:48,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (1/1) ... [2020-09-25 10:56:48,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:56:48,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:56:48,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:56:48,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:56:48,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (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 10:56:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:56:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:56:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:56:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:56:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:56:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:56:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:56:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:56:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:56:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:56:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:56:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:56:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 10:56:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:56:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 10:56:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:56:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:56:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:56:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:56:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:56:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 10:56:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 10:56:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 10:56:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:56:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:56:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:56:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:56:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:56:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:56:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 10:56:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:56:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:56:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:56:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:56:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:56:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:56:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:56:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:56:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:56:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:56:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 10:56:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:56:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:56:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:56:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:56:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:56:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:56:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:56:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:56:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:56:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:56:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:56:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:56:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:56:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:56:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:56:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:56:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:56:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:56:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:56:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:56:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:56:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:56:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 10:56:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 10:56:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:56:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:56:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:56:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:56:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:56:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:56:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 10:56:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:56:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:56:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:56:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:56:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 10:56:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:56:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:56:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 10:56:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 10:56:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:56:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 10:56:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:56:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:56:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:56:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:56:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:56:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:56:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:56:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:56:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:56:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:56:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:56:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:56:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:56:50,226 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:56:50,226 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:56:50,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:56:50 BoogieIcfgContainer [2020-09-25 10:56:50,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:56:50,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:56:50,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:56:50,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:56:50,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:56:47" (1/3) ... [2020-09-25 10:56:50,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ff871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:56:50, skipping insertion in model container [2020-09-25 10:56:50,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:56:48" (2/3) ... [2020-09-25 10:56:50,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ff871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:56:50, skipping insertion in model container [2020-09-25 10:56:50,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:56:50" (3/3) ... [2020-09-25 10:56:50,246 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product32.cil.c [2020-09-25 10:56:50,261 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:56:50,275 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:56:50,303 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:56:50,338 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:56:50,338 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:56:50,339 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:56:50,339 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:56:50,339 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:56:50,339 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:56:50,339 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:56:50,339 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:56:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states. [2020-09-25 10:56:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 10:56:50,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:56:50,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:56:50,392 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:56:50,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:56:50,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1415492803, now seen corresponding path program 1 times [2020-09-25 10:56:50,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:56:50,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288830290] [2020-09-25 10:56:50,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:56:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:50,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:51,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:52,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:55,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:55,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 10:56:55,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:56:55,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-09-25 10:56:55,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:55,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:56:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:56:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 10:56:55,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:56:56,439 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:56:56,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:56:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:56,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:56,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:56,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:56:56,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:56:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-25 10:56:56,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:56,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:56:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:56:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:56:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:56:56,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:56:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:56,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:56,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:56,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:56:56,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:56:56,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:56:56,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:56,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:56:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:56:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:56:56,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:56:56,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:56:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:56,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:56:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:56:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:56:56,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:56,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:56:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:56:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:56:56,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:56:56,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:56:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:56,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:56,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:56,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:56:56,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:56:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:56:56,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:56,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:56:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:56:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:56:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:56:56,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:56:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:56,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:56,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:56,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:56:56,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:56:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:56:56,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:56,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:56,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:56:56,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:56:56,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:56:56,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:56:56,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 10:56:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:56,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:56,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:56,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:56:56,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:56:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:56:56,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:56,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:56:56,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:56:56,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:56:56,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:56:56,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 10:56:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:56,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:56,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:56,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:56:56,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:56:56,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:56:56,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:56,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:56:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:56:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:56:56,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:56:56,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 10:56:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:56:56,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:56:56,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:56:56,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:56:56,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:56:56,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:56:56,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:56:56,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:56:56,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:56:56,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:56:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:56:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:56:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:56:57,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288830290] [2020-09-25 10:56:57,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:56:57,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:56:57,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455076550] [2020-09-25 10:56:57,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:56:57,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:56:57,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:56:57,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:56:57,039 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 8 states. [2020-09-25 10:56:57,768 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:56:59,587 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:56:59,956 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:57:00,376 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:57:00,844 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:57:01,134 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:57:01,492 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:57:01,804 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:57:03,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:57:03,225 INFO L93 Difference]: Finished difference Result 668 states and 824 transitions. [2020-09-25 10:57:03,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 10:57:03,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-09-25 10:57:03,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:57:03,252 INFO L225 Difference]: With dead ends: 668 [2020-09-25 10:57:03,252 INFO L226 Difference]: Without dead ends: 463 [2020-09-25 10:57:03,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 10:57:03,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-09-25 10:57:03,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 414. [2020-09-25 10:57:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-09-25 10:57:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 473 transitions. [2020-09-25 10:57:03,416 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 473 transitions. Word has length 153 [2020-09-25 10:57:03,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:57:03,417 INFO L479 AbstractCegarLoop]: Abstraction has 414 states and 473 transitions. [2020-09-25 10:57:03,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:57:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 473 transitions. [2020-09-25 10:57:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-25 10:57:03,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:57:03,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:57:03,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:57:03,426 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:57:03,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:57:03,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1511530113, now seen corresponding path program 1 times [2020-09-25 10:57:03,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:57:03,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122622951] [2020-09-25 10:57:03,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:57:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:03,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:03,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:03,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-25 10:57:03,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:03,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-09-25 10:57:03,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:03,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:57:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 10:57:03,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:57:03,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:57:04,221 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:57:04,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:57:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:57:04,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 10:57:04,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:57:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:57:04,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:57:04,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:57:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:57:04,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:57:04,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:57:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:57:04,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:57:04,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:57:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:57:04,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:04,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:04,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 10:57:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:57:04,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:57:04,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 10:57:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:57:04,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:57:04,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:57:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 10:57:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 10:57:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:57:04,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:04,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:57:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 10:57:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:57:04,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:04,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:57:04,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 10:57:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:04,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:04,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:04,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:57:04,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:04,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:04,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:04,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:57:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:57:04,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122622951] [2020-09-25 10:57:04,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:57:04,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 10:57:04,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116287931] [2020-09-25 10:57:04,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 10:57:04,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:57:04,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 10:57:04,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 10:57:04,546 INFO L87 Difference]: Start difference. First operand 414 states and 473 transitions. Second operand 6 states. [2020-09-25 10:57:05,102 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:57:07,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:57:07,850 INFO L93 Difference]: Finished difference Result 1146 states and 1420 transitions. [2020-09-25 10:57:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 10:57:07,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-09-25 10:57:07,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:57:07,863 INFO L225 Difference]: With dead ends: 1146 [2020-09-25 10:57:07,863 INFO L226 Difference]: Without dead ends: 842 [2020-09-25 10:57:07,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:57:07,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-09-25 10:57:07,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 693. [2020-09-25 10:57:07,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-09-25 10:57:07,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 807 transitions. [2020-09-25 10:57:07,996 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 807 transitions. Word has length 172 [2020-09-25 10:57:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:57:07,997 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 807 transitions. [2020-09-25 10:57:07,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 10:57:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 807 transitions. [2020-09-25 10:57:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-25 10:57:08,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:57:08,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:57:08,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:57:08,005 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:57:08,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:57:08,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1993986840, now seen corresponding path program 1 times [2020-09-25 10:57:08,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:57:08,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493865508] [2020-09-25 10:57:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:57:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:08,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:08,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:08,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-25 10:57:13,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:57:13,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 10:57:13,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 10:57:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 10:57:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 10:57:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,385 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:57:13,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:57:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:57:13,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 10:57:13,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:57:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 10:57:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:57:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:57:13,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:57:13,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:57:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:13,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:57:13,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:57:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:57:13,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:57:13,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:57:13,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:57:13,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:57:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:57:13,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:57:13,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:57:13,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:13,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:57:13,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:57:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:57:13,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:57:13,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:57:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:57:13,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 10:57:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:57:13,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:57:13,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:57:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:57:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 10:57:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:57:13,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:57:13,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:13,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 10:57:13,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:13,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 10:57:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 10:57:13,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:57:13,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 10:57:13,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:13,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:57:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:57:13,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:13,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:57:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:57:13,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:13,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:13,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:57:13,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:13,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 10:57:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:57:13,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:13,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:57:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:13,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 10:57:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:57:13,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:13,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:57:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:57:13,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 10:57:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:57:13,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:57:13,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:57:13,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:57:13,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:57:13,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:57:13,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:57:13,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:57:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:57:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:57:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:57:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:57:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:57:13,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493865508] [2020-09-25 10:57:13,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:57:13,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 10:57:13,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570328045] [2020-09-25 10:57:13,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 10:57:13,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:57:13,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 10:57:13,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:57:13,959 INFO L87 Difference]: Start difference. First operand 693 states and 807 transitions. Second operand 7 states. [2020-09-25 10:57:14,447 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:57:15,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:57:15,699 INFO L93 Difference]: Finished difference Result 1140 states and 1393 transitions. [2020-09-25 10:57:15,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 10:57:15,700 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2020-09-25 10:57:15,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:57:15,706 INFO L225 Difference]: With dead ends: 1140 [2020-09-25 10:57:15,706 INFO L226 Difference]: Without dead ends: 535 [2020-09-25 10:57:15,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-25 10:57:15,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-09-25 10:57:15,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 461. [2020-09-25 10:57:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-09-25 10:57:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 500 transitions. [2020-09-25 10:57:15,774 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 500 transitions. Word has length 185 [2020-09-25 10:57:15,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:57:15,775 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 500 transitions. [2020-09-25 10:57:15,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 10:57:15,775 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 500 transitions. [2020-09-25 10:57:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-25 10:57:15,778 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:57:15,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:57:15,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:57:15,779 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:57:15,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:57:15,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1825655940, now seen corresponding path program 1 times [2020-09-25 10:57:15,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:57:15,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886211461] [2020-09-25 10:57:15,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:57:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 10:57:15,850 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 10:57:15,850 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 10:57:15,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 10:57:15,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 10:57:15 BoogieIcfgContainer [2020-09-25 10:57:15,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 10:57:15,886 INFO L168 Benchmark]: Toolchain (without parser) took 27875.58 ms. Allocated memory was 138.9 MB in the beginning and 585.6 MB in the end (delta: 446.7 MB). Free memory was 100.2 MB in the beginning and 388.8 MB in the end (delta: -288.6 MB). Peak memory consumption was 158.1 MB. Max. memory is 7.1 GB. [2020-09-25 10:57:15,887 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 10:57:15,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.14 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 172.4 MB in the end (delta: -72.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2020-09-25 10:57:15,889 INFO L168 Benchmark]: Boogie Preprocessor took 99.15 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-25 10:57:15,890 INFO L168 Benchmark]: RCFGBuilder took 1317.33 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 168.3 MB in the beginning and 176.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2020-09-25 10:57:15,891 INFO L168 Benchmark]: TraceAbstraction took 25647.99 ms. Allocated memory was 234.9 MB in the beginning and 585.6 MB in the end (delta: 350.7 MB). Free memory was 176.3 MB in the beginning and 388.8 MB in the end (delta: -212.6 MB). Peak memory consumption was 138.2 MB. Max. memory is 7.1 GB. [2020-09-25 10:57:15,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 802.14 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 172.4 MB in the end (delta: -72.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.15 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.33 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 168.3 MB in the beginning and 176.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25647.99 ms. Allocated memory was 234.9 MB in the beginning and 585.6 MB in the end (delta: 350.7 MB). Free memory was 176.3 MB in the beginning and 388.8 MB in the end (delta: -212.6 MB). Peak memory consumption was 138.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 712]: 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; [L489] int pumpRunning = 0; [L490] int systemActive = 1; [L717] int cleanupTimeShifts = 4; [L886] int waterLevel = 1; [L887] int methaneLevelCritical = 0; [L793] int retValue_acc ; [L794] int tmp ; [L798] FCALL select_helpers() [L799] FCALL select_features() [L800] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); [L800] RET, EXPR valid_product() [L800] tmp = valid_product() [L802] COND TRUE \read(tmp) [L804] FCALL setup() [L805] CALL runTest() [L784] CALL test() [L413] int splverifierCounter ; [L414] int tmp ; [L415] int tmp___0 ; [L416] int tmp___1 ; [L417] int tmp___2 ; [L420] splverifierCounter = 0 [L422] COND TRUE 1 [L424] COND TRUE splverifierCounter < 4 [L430] tmp = __VERIFIER_nondet_int() [L432] COND TRUE \read(tmp) [L434] CALL waterRise() [L904] COND TRUE waterLevel < 2 [L905] waterLevel = waterLevel + 1 [L434] RET waterRise() [L440] tmp___0 = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp___0)) [L450] tmp___2 = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp___2)) [L458] tmp___1 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___1) [L462] CALL stopSystem() [L688] COND FALSE !(\read(pumpRunning)) [L695] systemActive = 0 [L462] RET stopSystem() [L469] CALL timeShift() [L497] COND FALSE !(\read(pumpRunning)) [L504] COND FALSE !(\read(systemActive)) [L512] CALL __utac_acc__Specification3_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L820] int tmp___1 ; [L824] CALL, EXPR isMethaneLevelCritical() [L925] int retValue_acc ; [L928] retValue_acc = methaneLevelCritical [L929] return (retValue_acc); [L824] RET, EXPR isMethaneLevelCritical() [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) [L830] CALL, EXPR getWaterLevel() [L957] int retValue_acc ; [L960] retValue_acc = waterLevel [L961] return (retValue_acc); [L830] RET, EXPR getWaterLevel() [L830] tmp___0 = getWaterLevel() [L832] COND TRUE tmp___0 == 2 [L834] CALL, EXPR isPumpRunning() [L621] int retValue_acc ; [L624] retValue_acc = pumpRunning [L625] return (retValue_acc); [L834] RET, EXPR isPumpRunning() [L834] tmp___1 = isPumpRunning() [L836] COND FALSE !(\read(tmp___1)) [L840] CALL __automaton_fail() [L712] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 640 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 25.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 748 SDtfs, 1890 SDslu, 962 SDs, 0 SdLazy, 2166 SolverSat, 690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 73 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=693occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 272 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 687 NumberOfCodeBlocks, 687 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 507 ConstructedInterpolants, 0 QuantifiedInterpolants, 243200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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...