/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:48:52,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:48:52,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:48:52,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:48:52,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:48:52,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:48:52,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:48:52,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:48:52,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:48:52,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:48:52,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:48:52,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:48:52,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:48:52,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:48:52,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:48:52,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:48:52,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:48:52,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:48:52,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:48:52,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:48:52,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:48:52,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:48:52,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:48:52,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:48:52,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:48:52,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:48:52,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:48:52,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:48:52,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:48:52,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:48:52,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:48:52,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:48:52,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:48:52,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:48:52,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:48:52,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:48:52,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:48:52,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:48:52,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:48:52,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:48:52,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:48:52,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:48:52,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:48:52,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:48:52,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:48:52,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:48:52,632 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:48:52,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:48:52,632 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:48:52,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:48:52,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:48:52,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:48:52,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:48:52,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:48:52,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:48:52,634 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:48:52,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:48:52,634 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:48:52,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:48:52,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:48:52,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:48:52,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:48:52,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:48:52,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:48:52,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:48:52,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:48:52,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:48:52,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:48:52,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:48:52,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:48:52,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:48:52,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:48:53,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:48:53,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:48:53,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:48:53,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:48:53,169 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:48:53,171 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2020-09-25 09:48:53,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91cdeec68/4dd1cd9c10dc479696cdd7076ece57fb/FLAGed3157751 [2020-09-25 09:48:53,911 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:48:53,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2020-09-25 09:48:53,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91cdeec68/4dd1cd9c10dc479696cdd7076ece57fb/FLAGed3157751 [2020-09-25 09:48:54,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91cdeec68/4dd1cd9c10dc479696cdd7076ece57fb [2020-09-25 09:48:54,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:48:54,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:48:54,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:48:54,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:48:54,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:48:54,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:54,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54, skipping insertion in model container [2020-09-25 09:48:54,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:54,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:48:54,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:48:54,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:48:54,786 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:48:54,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:48:54,914 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:48:54,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54 WrapperNode [2020-09-25 09:48:54,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:48:54,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:48:54,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:48:54,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:48:54,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:54,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:54,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:54,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:55,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:55,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:55,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (1/1) ... [2020-09-25 09:48:55,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:48:55,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:48:55,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:48:55,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:48:55,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:48:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:48:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:48:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:48:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:48:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:48:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:48:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 09:48:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:48:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:48:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:48:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:48:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:48:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:48:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:48:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:48:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:48:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:48:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:48:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:48:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:48:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:48:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:48:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:48:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:48:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:48:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:48:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:48:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:48:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:48:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:48:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:48:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 09:48:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:48:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:48:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:48:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:48:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:48:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:48:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:48:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:48:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:48:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:48:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:48:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:48:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:48:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:48:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:48:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:48:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:48:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 09:48:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:48:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:48:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:48:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 09:48:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:48:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:48:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:48:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:48:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:48:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:48:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:48:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:48:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:48:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:48:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:48:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:48:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:48:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:48:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:48:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:48:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:48:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:48:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:48:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:48:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:48:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:48:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:48:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:48:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:48:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:48:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:48:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:48:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:48:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:48:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:48:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:48:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:48:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:48:56,369 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:48:56,369 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:48:56,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:48:56 BoogieIcfgContainer [2020-09-25 09:48:56,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:48:56,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:48:56,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:48:56,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:48:56,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:48:54" (1/3) ... [2020-09-25 09:48:56,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596fb536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:48:56, skipping insertion in model container [2020-09-25 09:48:56,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:48:54" (2/3) ... [2020-09-25 09:48:56,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596fb536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:48:56, skipping insertion in model container [2020-09-25 09:48:56,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:48:56" (3/3) ... [2020-09-25 09:48:56,387 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2020-09-25 09:48:56,400 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:48:56,412 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:48:56,434 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:48:56,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:48:56,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:48:56,469 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:48:56,469 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:48:56,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:48:56,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:48:56,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:48:56,470 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:48:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-25 09:48:56,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 09:48:56,518 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:48:56,519 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 09:48:56,520 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:48:56,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:48:56,526 INFO L82 PathProgramCache]: Analyzing trace with hash -572002072, now seen corresponding path program 1 times [2020-09-25 09:48:56,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:48:56,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682386249] [2020-09-25 09:48:56,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:48:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:57,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:57,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:01,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:01,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 09:49:01,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:49:01,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 09:49:01,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:01,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:49:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:49:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 09:49:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 09:49:02,601 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:49:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:49:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:02,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:03,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:03,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:49:03,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:03,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-09-25 09:49:03,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:03,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:49:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:03,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:49:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:03,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:03,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:03,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:49:03,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:49:03,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:03,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:49:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:03,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:49:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:03,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:03,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:03,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:49:03,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:03,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:49:03,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:03,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:49:03,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:03,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:49:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:03,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:03,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:03,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:49:03,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:03,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:49:03,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:03,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:49:03,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:03,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:49:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:03,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:03,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:03,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:49:03,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:03,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:49:03,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:03,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:03,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:49:03,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:03,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:49:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:03,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:03,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:03,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:49:03,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:03,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:49:03,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:03,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:03,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:03,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:03,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:49:03,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:03,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 09:49:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:03,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:03,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:03,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:49:03,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:03,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:49:03,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:03,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:49:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:49:03,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:03,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 09:49:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:03,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:03,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:03,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:49:03,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:03,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:49:03,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:03,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:49:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:49:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:49:03,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:03,274 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 09:49:03,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682386249] [2020-09-25 09:49:03,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:49:03,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:49:03,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005796173] [2020-09-25 09:49:03,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:49:03,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:49:03,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:49:03,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:49:03,314 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 8 states. [2020-09-25 09:49:03,933 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:49:05,543 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:49:05,914 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:49:06,342 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:49:06,729 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:49:07,030 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:49:07,588 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:49:07,876 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:49:08,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:49:08,859 INFO L93 Difference]: Finished difference Result 561 states and 704 transitions. [2020-09-25 09:49:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:49:08,865 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-09-25 09:49:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:49:08,891 INFO L225 Difference]: With dead ends: 561 [2020-09-25 09:49:08,892 INFO L226 Difference]: Without dead ends: 374 [2020-09-25 09:49:08,899 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 09:49:08,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-09-25 09:49:09,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 328. [2020-09-25 09:49:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 09:49:09,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 366 transitions. [2020-09-25 09:49:09,072 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 366 transitions. Word has length 153 [2020-09-25 09:49:09,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:49:09,074 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 366 transitions. [2020-09-25 09:49:09,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:49:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 366 transitions. [2020-09-25 09:49:09,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-09-25 09:49:09,080 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:49:09,081 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] [2020-09-25 09:49:09,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:49:09,081 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:49:09,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:49:09,082 INFO L82 PathProgramCache]: Analyzing trace with hash 876886047, now seen corresponding path program 1 times [2020-09-25 09:49:09,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:49:09,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090824297] [2020-09-25 09:49:09,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:49:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:09,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:10,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:10,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 09:49:10,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1162 [2020-09-25 09:49:10,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:10,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:49:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:49:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:49:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:10,681 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:49:10,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:49:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:10,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:10,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:10,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:49:10,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:10,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 09:49:10,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:10,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:49:10,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:49:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:11,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:11,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:11,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:49:11,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:11,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:49:11,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:11,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:11,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:49:11,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:49:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:11,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:11,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:11,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:49:11,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:49:11,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:11,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:49:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:49:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:11,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:11,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:49:11,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:49:11,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:11,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:49:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:49:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:11,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:11,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:11,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:49:11,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:11,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:49:11,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:11,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:49:11,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 09:49:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:11,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:11,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:11,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:49:11,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:11,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:49:11,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:11,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:49:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:49:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:49:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 09:49:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:11,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:11,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:11,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:49:11,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:11,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:49:11,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:11,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:11,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:49:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:49:11,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:49:11,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 09:49:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:11,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:11,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:11,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:49:11,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:11,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:49:11,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:11,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:11,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:49:11,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:49:11,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:49:11,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 09:49:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:49:11,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:49:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:49:11,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:49:11,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:49:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:49:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:49:11,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:49:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:49:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:49:11,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:49:11,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:49:11,204 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 09:49:11,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090824297] [2020-09-25 09:49:11,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:49:11,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 09:49:11,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642077321] [2020-09-25 09:49:11,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 09:49:11,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:49:11,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 09:49:11,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 09:49:11,210 INFO L87 Difference]: Start difference. First operand 328 states and 366 transitions. Second operand 5 states. [2020-09-25 09:49:11,711 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:49:13,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:49:13,735 INFO L93 Difference]: Finished difference Result 894 states and 1091 transitions. [2020-09-25 09:49:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 09:49:13,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-09-25 09:49:13,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:49:13,748 INFO L225 Difference]: With dead ends: 894 [2020-09-25 09:49:13,748 INFO L226 Difference]: Without dead ends: 676 [2020-09-25 09:49:13,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:49:13,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-09-25 09:49:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 547. [2020-09-25 09:49:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-09-25 09:49:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 629 transitions. [2020-09-25 09:49:13,865 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 629 transitions. Word has length 168 [2020-09-25 09:49:13,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:49:13,866 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 629 transitions. [2020-09-25 09:49:13,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 09:49:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 629 transitions. [2020-09-25 09:49:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 09:49:13,871 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:49:13,871 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] [2020-09-25 09:49:13,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:49:13,872 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:49:13,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:49:13,872 INFO L82 PathProgramCache]: Analyzing trace with hash 942920496, now seen corresponding path program 1 times [2020-09-25 09:49:13,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:49:13,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217618149] [2020-09-25 09:49:13,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:49:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 09:49:13,944 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 09:49:13,944 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 09:49:13,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:49:13,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 09:49:13 BoogieIcfgContainer [2020-09-25 09:49:13,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 09:49:13,977 INFO L168 Benchmark]: Toolchain (without parser) took 19799.64 ms. Allocated memory was 140.5 MB in the beginning and 522.7 MB in the end (delta: 382.2 MB). Free memory was 102.5 MB in the beginning and 256.5 MB in the end (delta: -154.0 MB). Peak memory consumption was 228.2 MB. Max. memory is 7.1 GB. [2020-09-25 09:49:13,978 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 09:49:13,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.21 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 174.0 MB in the end (delta: -72.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-09-25 09:49:13,980 INFO L168 Benchmark]: Boogie Preprocessor took 123.36 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 170.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-25 09:49:13,981 INFO L168 Benchmark]: RCFGBuilder took 1337.52 ms. Allocated memory was 203.9 MB in the beginning and 238.6 MB in the end (delta: 34.6 MB). Free memory was 170.0 MB in the beginning and 181.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-09-25 09:49:13,982 INFO L168 Benchmark]: TraceAbstraction took 17596.70 ms. Allocated memory was 238.6 MB in the beginning and 522.7 MB in the end (delta: 284.2 MB). Free memory was 181.5 MB in the beginning and 256.5 MB in the end (delta: -75.0 MB). Peak memory consumption was 209.2 MB. Max. memory is 7.1 GB. [2020-09-25 09:49:13,986 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 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.21 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 174.0 MB in the end (delta: -72.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.36 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 170.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1337.52 ms. Allocated memory was 203.9 MB in the beginning and 238.6 MB in the end (delta: 34.6 MB). Free memory was 170.0 MB in the beginning and 181.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17596.70 ms. Allocated memory was 238.6 MB in the beginning and 522.7 MB in the end (delta: 284.2 MB). Free memory was 181.5 MB in the beginning and 256.5 MB in the end (delta: -75.0 MB). Peak memory consumption was 209.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 870]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; [L808] int retValue_acc ; [L809] int tmp ; [L813] FCALL select_helpers() [L814] FCALL select_features() [L815] CALL, EXPR valid_product() [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); [L815] RET, EXPR valid_product() [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L819] FCALL setup() [L820] CALL runTest() [L799] CALL test() [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 [L228] COND TRUE 1 [L230] COND TRUE splverifierCounter < 4 [L236] tmp = __VERIFIER_nondet_int() [L238] COND TRUE \read(tmp) [L240] CALL waterRise() [L670] COND TRUE waterLevel < 2 [L671] waterLevel = waterLevel + 1 [L240] RET waterRise() [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) [L273] CALL timeShift() [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L66] CALL processEnvironment() [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L104] FCALL processEnvironment__wrappee__methaneQuery() [L66] RET processEnvironment() [L72] CALL __utac_acc__Specification3_spec__1() [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L839] CALL, EXPR isMethaneLevelCritical() [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); [L839] RET, EXPR isMethaneLevelCritical() [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) [L845] CALL, EXPR getWaterLevel() [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); [L845] RET, EXPR getWaterLevel() [L845] tmp___0 = getWaterLevel() [L847] COND TRUE tmp___0 == 2 [L849] CALL, EXPR isPumpRunning() [L155] int retValue_acc ; [L158] retValue_acc = pumpRunning [L159] return (retValue_acc); [L849] RET, EXPR isPumpRunning() [L849] tmp___1 = isPumpRunning() [L851] COND FALSE !(\read(tmp___1)) [L855] CALL __automaton_fail() [L870] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 605 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 496 SDtfs, 753 SDslu, 731 SDs, 0 SdLazy, 1558 SolverSat, 272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=547occurred 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: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 175 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 138354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...