/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:14,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:14,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:14,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:14,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:14,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:14,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:14,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:14,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:14,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:14,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:14,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:14,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:14,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:14,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:14,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:14,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:14,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:14,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:14,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:14,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:14,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:14,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:14,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:14,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:14,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:14,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:14,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:14,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:14,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:14,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:14,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:14,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:14,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:14,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:14,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:14,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:14,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:14,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:14,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:14,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:14,192 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 [2020-09-21 12:13:14,237 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:14,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:14,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:14,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:14,240 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:14,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:14,241 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:14,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:14,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:14,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:14,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:14,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:14,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:14,243 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:14,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:14,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:14,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:14,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:14,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:14,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:14,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:14,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:14,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:14,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:14,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:14,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:14,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:14,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:14,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:14,247 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.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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:13:14,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:14,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:14,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:14,771 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:14,771 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:14,773 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-09-21 12:13:14,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00b1d9ff2/1eb5ae1344a54a5491b1f00bd84ae80e/FLAG25d93df6f [2020-09-21 12:13:15,440 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:15,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-09-21 12:13:15,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00b1d9ff2/1eb5ae1344a54a5491b1f00bd84ae80e/FLAG25d93df6f [2020-09-21 12:13:15,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00b1d9ff2/1eb5ae1344a54a5491b1f00bd84ae80e [2020-09-21 12:13:15,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:15,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:15,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:15,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:15,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:15,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:15" (1/1) ... [2020-09-21 12:13:15,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:15, skipping insertion in model container [2020-09-21 12:13:15,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:15" (1/1) ... [2020-09-21 12:13:15,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:15,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:16,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:16,263 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:16,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:16,440 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:16,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16 WrapperNode [2020-09-21 12:13:16,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:16,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:16,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:16,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:16,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (1/1) ... [2020-09-21 12:13:16,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:16,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:16,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:16,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:16,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (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 [2020-09-21 12:13:16,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:16,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:16,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:16,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:16,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:16,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:16,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:16,617 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:16,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:13:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:13:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:16,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:16,622 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:13:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:13:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:16,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:16,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:17,630 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:17,631 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:17,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:17 BoogieIcfgContainer [2020-09-21 12:13:17,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:17,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:17,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:17,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:17,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:15" (1/3) ... [2020-09-21 12:13:17,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2091b527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:17, skipping insertion in model container [2020-09-21 12:13:17,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:16" (2/3) ... [2020-09-21 12:13:17,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2091b527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:17, skipping insertion in model container [2020-09-21 12:13:17,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:17" (3/3) ... [2020-09-21 12:13:17,646 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-09-21 12:13:17,658 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:17,668 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:17,690 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:17,720 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:17,720 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:17,720 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:17,720 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:17,720 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:17,721 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:17,721 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:17,721 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-09-21 12:13:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:17,757 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:17,758 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] [2020-09-21 12:13:17,758 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:17,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:17,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1078669538, now seen corresponding path program 1 times [2020-09-21 12:13:17,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:17,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124079127] [2020-09-21 12:13:17,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:18,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:19,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:19,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:13:19,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-09-21 12:13:19,497 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:19,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 12:13:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:13:19,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:19,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:19,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:19,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:19,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:19,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:19,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:19,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:19,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:19,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:13:19,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:19,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:19,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:19,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:19,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:19,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:19,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124079127] [2020-09-21 12:13:19,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:19,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:19,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350276896] [2020-09-21 12:13:19,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:19,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:19,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:19,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:19,756 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-09-21 12:13:20,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:20,678 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-09-21 12:13:20,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:20,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:20,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:20,697 INFO L225 Difference]: With dead ends: 228 [2020-09-21 12:13:20,697 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 12:13:20,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:20,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 12:13:20,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-09-21 12:13:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-21 12:13:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-09-21 12:13:20,791 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-09-21 12:13:20,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:20,791 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-09-21 12:13:20,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-09-21 12:13:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:20,795 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:20,795 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] [2020-09-21 12:13:20,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:20,796 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:20,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:20,796 INFO L82 PathProgramCache]: Analyzing trace with hash -352011727, now seen corresponding path program 1 times [2020-09-21 12:13:20,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:20,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180120778] [2020-09-21 12:13:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:20,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:20,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:22,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1286 [2020-09-21 12:13:22,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:22,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:22,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:22,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:22,448 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:22,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:22,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:22,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:22,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:13:22,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:22,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:22,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:22,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:22,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:22,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:22,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:22,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:22,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:22,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:22,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:22,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:22,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:22,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:22,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:22,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:22,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:22,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:22,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:22,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:22,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:13:22,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:22,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:22,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:22,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:22,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:22,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:22,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:22,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:22,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:22,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:22,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:22,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:22,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:13:22,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:22,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:22,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:22,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:22,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180120778] [2020-09-21 12:13:22,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:22,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:22,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864831292] [2020-09-21 12:13:22,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:22,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:22,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:22,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:22,643 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-09-21 12:13:23,144 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:23,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:23,615 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-09-21 12:13:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:23,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:23,618 INFO L225 Difference]: With dead ends: 148 [2020-09-21 12:13:23,619 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 12:13:23,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 12:13:23,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-09-21 12:13:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 12:13:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-09-21 12:13:23,651 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-09-21 12:13:23,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:23,651 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-09-21 12:13:23,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-09-21 12:13:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:13:23,653 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:23,653 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] [2020-09-21 12:13:23,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:23,654 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:23,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:23,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1517693929, now seen corresponding path program 1 times [2020-09-21 12:13:23,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:23,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024425134] [2020-09-21 12:13:23,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:13:24,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1031 [2020-09-21 12:13:24,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:13:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:13:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,038 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:25,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-21 12:13:25,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:25,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:25,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:25,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:25,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:25,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:13:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:25,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:25,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024425134] [2020-09-21 12:13:25,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:25,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:25,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083071745] [2020-09-21 12:13:25,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:25,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:25,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:25,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:25,250 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 4 states. [2020-09-21 12:13:25,587 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:26,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:26,510 INFO L93 Difference]: Finished difference Result 239 states and 292 transitions. [2020-09-21 12:13:26,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:26,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:13:26,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:26,513 INFO L225 Difference]: With dead ends: 239 [2020-09-21 12:13:26,513 INFO L226 Difference]: Without dead ends: 178 [2020-09-21 12:13:26,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-21 12:13:26,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 130. [2020-09-21 12:13:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-21 12:13:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-09-21 12:13:26,566 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 52 [2020-09-21 12:13:26,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:26,567 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-09-21 12:13:26,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:26,567 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-09-21 12:13:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 12:13:26,569 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:26,569 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] [2020-09-21 12:13:26,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:13:26,570 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:26,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:26,570 INFO L82 PathProgramCache]: Analyzing trace with hash 818013324, now seen corresponding path program 1 times [2020-09-21 12:13:26,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:26,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699496331] [2020-09-21 12:13:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:26,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:27,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:27,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:27,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 12:13:27,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:27,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1322 [2020-09-21 12:13:27,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:13:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 12:13:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,255 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:28,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 12:13:28,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:28,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:28,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:28,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:28,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:28,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:28,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:28,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:28,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:13:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:28,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:28,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:13:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:28,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:28,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:13:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:28,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699496331] [2020-09-21 12:13:28,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:28,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:13:28,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759101830] [2020-09-21 12:13:28,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:13:28,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:28,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:13:28,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:13:28,532 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 7 states. [2020-09-21 12:13:28,931 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:30,066 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:13:30,415 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:30,679 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:30,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:30,800 INFO L93 Difference]: Finished difference Result 243 states and 299 transitions. [2020-09-21 12:13:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:13:30,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-09-21 12:13:30,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:30,801 INFO L225 Difference]: With dead ends: 243 [2020-09-21 12:13:30,801 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:13:30,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:13:30,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:13:30,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:13:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:13:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:13:30,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-09-21 12:13:30,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:30,805 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:13:30,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:13:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:13:30,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:13:30,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:13:30,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:13:30,964 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:13:31,080 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:13:31,245 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,405 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,565 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:31,719 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,880 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,213 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:32,542 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:32,689 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:32,807 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:13:32,923 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:13:33,077 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:33,226 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:33,381 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:33,698 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:34,013 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:34,159 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:34,474 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:34,786 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:34,929 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:35,077 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:35,240 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:35,389 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:35,532 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:35,680 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:35,824 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:35,927 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:13:36,074 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:36,222 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:36,370 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:36,514 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:36,660 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:36,810 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:36,959 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:37,103 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:37,254 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:37,404 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:37,553 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:37,699 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:37,846 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:37,999 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:38,142 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:38,289 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:38,436 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:38,583 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:38,893 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:39,201 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:39,349 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:39,701 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:39,914 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:40,128 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:40,491 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-21 12:13:40,717 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:40,934 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:41,148 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:41,476 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-21 12:13:41,663 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-21 12:13:41,917 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:42,139 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:42,511 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:13:42,682 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:42,894 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:43,091 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:43,460 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:13:43,620 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:43,839 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:44,207 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:13:44,396 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:13:44,581 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-09-21 12:13:44,784 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:13:44,798 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 566) no Hoare annotation was computed. [2020-09-21 12:13:44,799 INFO L268 CegarLoopResult]: For program point L567(lines 544 568) no Hoare annotation was computed. [2020-09-21 12:13:44,799 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 520 575) no Hoare annotation was computed. [2020-09-21 12:13:44,799 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-09-21 12:13:44,799 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 520 575) no Hoare annotation was computed. [2020-09-21 12:13:44,799 INFO L268 CegarLoopResult]: For program point L551-1(lines 551 555) no Hoare annotation was computed. [2020-09-21 12:13:44,799 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 520 575) no Hoare annotation was computed. [2020-09-21 12:13:44,799 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-09-21 12:13:44,799 INFO L268 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-09-21 12:13:44,800 INFO L268 CegarLoopResult]: For program point L608-1(lines 608 612) no Hoare annotation was computed. [2020-09-21 12:13:44,800 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-09-21 12:13:44,800 INFO L268 CegarLoopResult]: For program point L602-2(lines 602 627) no Hoare annotation was computed. [2020-09-21 12:13:44,800 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 576 635) no Hoare annotation was computed. [2020-09-21 12:13:44,800 INFO L268 CegarLoopResult]: For program point L628(lines 601 629) no Hoare annotation was computed. [2020-09-21 12:13:44,800 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 576 635) no Hoare annotation was computed. [2020-09-21 12:13:44,800 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-09-21 12:13:44,801 INFO L268 CegarLoopResult]: For program point L621-1(line 621) no Hoare annotation was computed. [2020-09-21 12:13:44,801 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 576 635) no Hoare annotation was computed. [2020-09-21 12:13:44,801 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-09-21 12:13:44,801 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-09-21 12:13:44,801 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-09-21 12:13:44,802 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-09-21 12:13:44,802 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-09-21 12:13:44,802 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 843 867) the Hoare annotation is: true [2020-09-21 12:13:44,802 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:13:44,802 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-09-21 12:13:44,803 INFO L271 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: true [2020-09-21 12:13:44,803 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-09-21 12:13:44,803 INFO L268 CegarLoopResult]: For program point L851(lines 851 864) no Hoare annotation was computed. [2020-09-21 12:13:44,803 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 843 867) no Hoare annotation was computed. [2020-09-21 12:13:44,803 INFO L268 CegarLoopResult]: For program point L851-1(lines 843 867) no Hoare annotation was computed. [2020-09-21 12:13:44,803 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-09-21 12:13:44,803 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-09-21 12:13:44,803 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:13:44,803 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 12:13:44,803 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:44,804 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:44,804 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:44,804 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:44,804 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:13:44,804 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:13:44,805 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:44,805 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:44,805 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:13:44,805 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:13:44,805 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:13:44,805 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:13:44,805 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:13:44,806 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:13:44,807 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:13:44,807 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:13:44,807 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:13:44,807 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 375 389) no Hoare annotation was computed. [2020-09-21 12:13:44,807 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:13:44,807 INFO L268 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-09-21 12:13:44,807 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 375 389) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:13:44,807 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 375 389) no Hoare annotation was computed. [2020-09-21 12:13:44,808 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2020-09-21 12:13:44,808 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2020-09-21 12:13:44,808 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2020-09-21 12:13:44,808 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-09-21 12:13:44,808 INFO L268 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2020-09-21 12:13:44,808 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-09-21 12:13:44,808 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-09-21 12:13:44,808 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 339 374) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 339 374) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point L358(lines 358 366) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point L358-2(lines 358 366) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 339 374) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 474 519) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 474 519) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 474 519) no Hoare annotation was computed. [2020-09-21 12:13:44,809 INFO L268 CegarLoopResult]: For program point L801(lines 801 821) no Hoare annotation was computed. [2020-09-21 12:13:44,810 INFO L268 CegarLoopResult]: For program point L801-1(lines 801 821) no Hoare annotation was computed. [2020-09-21 12:13:44,810 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 787 832) no Hoare annotation was computed. [2020-09-21 12:13:44,810 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 787 832) no Hoare annotation was computed. [2020-09-21 12:13:44,810 INFO L268 CegarLoopResult]: For program point L807(lines 807 814) no Hoare annotation was computed. [2020-09-21 12:13:44,810 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 787 832) no Hoare annotation was computed. [2020-09-21 12:13:44,810 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:44,810 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:13:44,810 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:13:44,810 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 319 329) no Hoare annotation was computed. [2020-09-21 12:13:44,811 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2020-09-21 12:13:44,811 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 319 329) no Hoare annotation was computed. [2020-09-21 12:13:44,811 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-09-21 12:13:44,811 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-09-21 12:13:44,811 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2020-09-21 12:13:44,811 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2020-09-21 12:13:44,811 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2020-09-21 12:13:44,811 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2020-09-21 12:13:44,811 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2020-09-21 12:13:44,811 INFO L264 CegarLoopResult]: At program point testENTRY(lines 399 466) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:44,812 INFO L268 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-09-21 12:13:44,812 INFO L268 CegarLoopResult]: For program point testFINAL(lines 399 466) no Hoare annotation was computed. [2020-09-21 12:13:44,812 INFO L264 CegarLoopResult]: At program point L459(lines 408 460) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:13:44,812 INFO L264 CegarLoopResult]: At program point L449(line 449) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,812 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-09-21 12:13:44,812 INFO L264 CegarLoopResult]: At program point L447-1(lines 439 454) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,813 INFO L268 CegarLoopResult]: For program point L410(lines 409 458) no Hoare annotation was computed. [2020-09-21 12:13:44,813 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,813 INFO L268 CegarLoopResult]: For program point L439(lines 439 454) no Hoare annotation was computed. [2020-09-21 12:13:44,813 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,813 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-09-21 12:13:44,813 INFO L268 CegarLoopResult]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2020-09-21 12:13:44,813 INFO L264 CegarLoopResult]: At program point L456(lines 409 458) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,813 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,813 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point testEXIT(lines 399 466) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point L419-1(lines 419 425) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 741 786) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point L761(lines 761 768) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 741 786) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point L755(lines 755 775) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point L755-1(lines 755 775) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 741 786) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 230 252) no Hoare annotation was computed. [2020-09-21 12:13:44,814 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 230 252) no Hoare annotation was computed. [2020-09-21 12:13:44,815 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 230 252) no Hoare annotation was computed. [2020-09-21 12:13:44,815 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-09-21 12:13:44,815 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-09-21 12:13:44,815 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-09-21 12:13:44,815 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 638 740) no Hoare annotation was computed. [2020-09-21 12:13:44,815 INFO L268 CegarLoopResult]: For program point L667(lines 667 683) no Hoare annotation was computed. [2020-09-21 12:13:44,815 INFO L268 CegarLoopResult]: For program point L727(lines 727 734) no Hoare annotation was computed. [2020-09-21 12:13:44,815 INFO L268 CegarLoopResult]: For program point L688(lines 687 707) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L684(lines 684 725) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 638 740) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L703-1(line 703) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L726(lines 726 737) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 638 740) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-09-21 12:13:44,816 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 707) no Hoare annotation was computed. [2020-09-21 12:13:44,817 INFO L268 CegarLoopResult]: For program point L708(lines 686 709) no Hoare annotation was computed. [2020-09-21 12:13:44,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,817 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:13:44,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,817 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 303 310) no Hoare annotation was computed. [2020-09-21 12:13:44,817 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 303 310) no Hoare annotation was computed. [2020-09-21 12:13:44,817 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 303 310) no Hoare annotation was computed. [2020-09-21 12:13:44,817 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 253 261) the Hoare annotation is: true [2020-09-21 12:13:44,817 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 253 261) no Hoare annotation was computed. [2020-09-21 12:13:44,818 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 253 261) no Hoare annotation was computed. [2020-09-21 12:13:44,818 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 209 220) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:13:44,818 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 209 220) no Hoare annotation was computed. [2020-09-21 12:13:44,818 INFO L268 CegarLoopResult]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2020-09-21 12:13:44,818 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,818 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,818 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,818 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,818 INFO L264 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,818 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:13:44,818 INFO L268 CegarLoopResult]: For program point L276(lines 275 294) no Hoare annotation was computed. [2020-09-21 12:13:44,819 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,819 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2020-09-21 12:13:44,819 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2020-09-21 12:13:44,819 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:13:44,819 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:13:44,819 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 12:13:44,819 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:13:44,819 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 12:13:44,819 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:13:44,819 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 12:13:44,819 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 12:13:44,819 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:13:44,820 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:13:44,820 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 221 229) no Hoare annotation was computed. [2020-09-21 12:13:44,820 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 221 229) no Hoare annotation was computed. [2020-09-21 12:13:44,820 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 221 229) no Hoare annotation was computed. [2020-09-21 12:13:44,820 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 185 196) the Hoare annotation is: true [2020-09-21 12:13:44,820 INFO L268 CegarLoopResult]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2020-09-21 12:13:44,820 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 185 196) no Hoare annotation was computed. [2020-09-21 12:13:44,820 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:13:44,820 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:13:44,821 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,821 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:13:44,821 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:13:44,821 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:44,821 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 390 397) no Hoare annotation was computed. [2020-09-21 12:13:44,821 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 390 397) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,821 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 390 397) no Hoare annotation was computed. [2020-09-21 12:13:44,821 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 197 208) no Hoare annotation was computed. [2020-09-21 12:13:44,821 INFO L268 CegarLoopResult]: For program point L201-1(lines 197 208) no Hoare annotation was computed. [2020-09-21 12:13:44,821 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 197 208) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:44,821 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 834 841) no Hoare annotation was computed. [2020-09-21 12:13:44,821 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2020-09-21 12:13:44,822 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 834 841) the Hoare annotation is: true [2020-09-21 12:13:44,822 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 834 841) no Hoare annotation was computed. [2020-09-21 12:13:44,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:13:44 BoogieIcfgContainer [2020-09-21 12:13:44,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:13:44,841 INFO L168 Benchmark]: Toolchain (without parser) took 29165.28 ms. Allocated memory was 140.0 MB in the beginning and 541.6 MB in the end (delta: 401.6 MB). Free memory was 102.2 MB in the beginning and 200.5 MB in the end (delta: -98.3 MB). Peak memory consumption was 413.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,842 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.16 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 172.7 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,843 INFO L168 Benchmark]: Boogie Preprocessor took 95.11 ms. Allocated memory is still 202.9 MB. Free memory was 172.7 MB in the beginning and 168.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,844 INFO L168 Benchmark]: RCFGBuilder took 1098.35 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 168.7 MB in the beginning and 205.1 MB in the end (delta: -36.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,845 INFO L168 Benchmark]: TraceAbstraction took 27201.37 ms. Allocated memory was 237.0 MB in the beginning and 541.6 MB in the end (delta: 304.6 MB). Free memory was 203.6 MB in the beginning and 200.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 417.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:44,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.16 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 172.7 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.11 ms. Allocated memory is still 202.9 MB. Free memory was 172.7 MB in the beginning and 168.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1098.35 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 168.7 MB in the beginning and 205.1 MB in the end (delta: -36.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27201.37 ms. Allocated memory was 237.0 MB in the beginning and 541.6 MB in the end (delta: 304.6 MB). Free memory was 203.6 MB in the beginning and 200.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 417.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 347 SDslu, 144 SDs, 0 SdLazy, 629 SolverSat, 206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 103 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 166 PreInvPairs, 190 NumberOfFragments, 563 HoareAnnotationTreeSize, 166 FomulaSimplifications, 11778 FormulaSimplificationTreeSizeReduction, 8.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 6858 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 53120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 correct! Received shutdown request...