/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_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:09:05,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:09:05,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:09:05,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:09:05,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:09:05,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:09:05,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:09:05,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:09:05,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:09:05,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:09:05,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:09:05,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:09:05,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:09:05,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:09:05,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:09:05,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:09:05,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:09:05,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:09:05,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:09:05,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:09:05,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:09:05,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:09:05,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:09:05,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:09:05,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:09:05,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:09:05,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:09:05,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:09:05,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:09:05,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:09:05,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:09:05,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:09:05,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:09:05,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:09:05,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:09:05,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:09:05,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:09:05,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:09:05,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:09:05,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:09:05,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:09:05,261 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 12:09:05,295 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:09:05,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:09:05,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:09:05,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:09:05,302 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:09:05,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:09:05,302 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:09:05,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:09:05,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:09:05,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:09:05,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:09:05,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:09:05,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:09:05,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:09:05,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:09:05,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:09:05,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:09:05,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:09:05,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:09:05,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:09:05,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:09:05,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:09:05,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:09:05,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:09:05,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:09:05,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:09:05,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:09:05,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:09:05,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:09:05,310 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 12:09:05,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:09:05,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:09:05,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:09:05,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:09:05,818 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:09:05,819 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-09-21 12:09:05,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18c9d385c/dcb6218ba1164966b8f6dec3bdb3b40d/FLAGa4344f73a [2020-09-21 12:09:06,514 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:09:06,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-09-21 12:09:06,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18c9d385c/dcb6218ba1164966b8f6dec3bdb3b40d/FLAGa4344f73a [2020-09-21 12:09:06,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18c9d385c/dcb6218ba1164966b8f6dec3bdb3b40d [2020-09-21 12:09:06,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:09:06,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:09:06,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:06,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:09:06,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:09:06,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:06" (1/1) ... [2020-09-21 12:09:06,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b9c226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:06, skipping insertion in model container [2020-09-21 12:09:06,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:06" (1/1) ... [2020-09-21 12:09:06,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:09:06,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:09:07,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:07,423 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:09:07,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:07,548 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:09:07,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07 WrapperNode [2020-09-21 12:09:07,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:07,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:09:07,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:09:07,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:09:07,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:09:07,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:09:07,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:09:07,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:09:07,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (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 12:09:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:09:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:09:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:09:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:09:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:09:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:09:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:09:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:09:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:09:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:09:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:09:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:09:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:09:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:09:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:09:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:09:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:09:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:09:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:09:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:09:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:09:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:09:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:09:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:09:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:09:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:09:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:09:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:09:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:09:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:09:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:09:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:09:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:09:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:09:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:09:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:09:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:09:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:09:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:09:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:09:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:09:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:09:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:09:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:09:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:09:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:09:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:09:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:09:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:09:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:09:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:09:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:09:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:09:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:09:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:09:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:09:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:09:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:09:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:09:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:09:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:09:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:09:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:09:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:09:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:09:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:09:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:09:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:09:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:09:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:09:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:09:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:09:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:09:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:09:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:09:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:09:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:09:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:09:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:09:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:09:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:09:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:09:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:09:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:09:08,837 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:09:08,837 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:09:08,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:08 BoogieIcfgContainer [2020-09-21 12:09:08,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:09:08,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:09:08,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:09:08,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:09:08,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:09:06" (1/3) ... [2020-09-21 12:09:08,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355e350e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:08, skipping insertion in model container [2020-09-21 12:09:08,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (2/3) ... [2020-09-21 12:09:08,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355e350e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:08, skipping insertion in model container [2020-09-21 12:09:08,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:08" (3/3) ... [2020-09-21 12:09:08,854 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2020-09-21 12:09:08,865 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:09:08,876 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:09:08,898 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:09:08,930 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:09:08,930 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:09:08,930 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:09:08,930 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:09:08,930 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:09:08,931 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:09:08,931 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:09:08,931 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:09:08,957 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-09-21 12:09:08,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:09:08,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:08,970 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] [2020-09-21 12:09:08,971 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:08,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:08,978 INFO L82 PathProgramCache]: Analyzing trace with hash -719135997, now seen corresponding path program 1 times [2020-09-21 12:09:08,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:08,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047472392] [2020-09-21 12:09:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:09:10,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:09:10,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:09:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:09:10,745 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:10,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:10,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:10,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 12:09:10,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:10,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:10,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:10,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:10,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:10,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:10,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:10,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:10,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:10,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:10,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:10,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:10,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:10,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:10,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:10,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:10,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:10,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:10,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:10,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:10,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:10,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:10,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:09:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:10,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:10,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:10,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:10,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:10,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:10,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:10,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:10,919 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 12:09:10,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047472392] [2020-09-21 12:09:10,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:10,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:09:10,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470585631] [2020-09-21 12:09:10,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:09:10,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:10,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:09:10,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:10,951 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-09-21 12:09:12,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:12,139 INFO L93 Difference]: Finished difference Result 303 states and 400 transitions. [2020-09-21 12:09:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:09:12,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:09:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:12,170 INFO L225 Difference]: With dead ends: 303 [2020-09-21 12:09:12,170 INFO L226 Difference]: Without dead ends: 170 [2020-09-21 12:09:12,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-09-21 12:09:12,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2020-09-21 12:09:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-09-21 12:09:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-09-21 12:09:12,283 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-09-21 12:09:12,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:12,284 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-09-21 12:09:12,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:09:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-09-21 12:09:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:09:12,288 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:12,288 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 12:09:12,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:09:12,289 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:12,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:12,289 INFO L82 PathProgramCache]: Analyzing trace with hash 892952181, now seen corresponding path program 1 times [2020-09-21 12:09:12,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:12,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489826677] [2020-09-21 12:09:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:09:13,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:13,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-21 12:09:13,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:09:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:13,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,718 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:13,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:09:13,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:13,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:13,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:13,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:13,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:13,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:13,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:13,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:13,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:13,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:09:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:13,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:13,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:13,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:13,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:13,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:13,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:13,868 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 12:09:13,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489826677] [2020-09-21 12:09:13,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:13,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:13,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442270929] [2020-09-21 12:09:13,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:13,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:13,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:13,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:13,872 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-09-21 12:09:14,320 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:15,329 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2020-09-21 12:09:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:15,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:09:15,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:15,334 INFO L225 Difference]: With dead ends: 238 [2020-09-21 12:09:15,334 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 12:09:15,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:15,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 12:09:15,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 125. [2020-09-21 12:09:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-21 12:09:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-09-21 12:09:15,427 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-09-21 12:09:15,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:15,428 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-09-21 12:09:15,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-09-21 12:09:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:09:15,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:15,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:15,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:09:15,439 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:15,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:15,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1536291852, now seen corresponding path program 1 times [2020-09-21 12:09:15,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:15,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557086447] [2020-09-21 12:09:15,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:15,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:15,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:09:16,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:09:16,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:09:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:09:16,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,791 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:16,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-21 12:09:16,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:16,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:16,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:17,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:17,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:17,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:17,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:17,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:17,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:17,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:17,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:17,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:17,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:17,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:17,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 12:09:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:17,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:17,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:17,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:17,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,065 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 12:09:17,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557086447] [2020-09-21 12:09:17,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:17,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:17,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471633261] [2020-09-21 12:09:17,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:17,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:17,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:17,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:17,068 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 5 states. [2020-09-21 12:09:17,371 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:19,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:19,121 INFO L93 Difference]: Finished difference Result 365 states and 463 transitions. [2020-09-21 12:09:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:19,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 12:09:19,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:19,126 INFO L225 Difference]: With dead ends: 365 [2020-09-21 12:09:19,126 INFO L226 Difference]: Without dead ends: 268 [2020-09-21 12:09:19,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:19,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-09-21 12:09:19,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 212. [2020-09-21 12:09:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-21 12:09:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 257 transitions. [2020-09-21 12:09:19,189 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 257 transitions. Word has length 57 [2020-09-21 12:09:19,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:19,191 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 257 transitions. [2020-09-21 12:09:19,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:19,191 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 257 transitions. [2020-09-21 12:09:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 12:09:19,195 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:19,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:19,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:09:19,196 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:19,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:19,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1973415317, now seen corresponding path program 1 times [2020-09-21 12:09:19,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:19,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467523177] [2020-09-21 12:09:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:19,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 12:09:20,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:20,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-09-21 12:09:20,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:09:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:09:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:09:20,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:20,591 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:20,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:09:20,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:20,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:09:20,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:20,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:20,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:20,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:20,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:09:20,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:20,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:20,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:09:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:20,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:09:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:09:20,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,807 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 12:09:20,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467523177] [2020-09-21 12:09:20,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:20,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:09:20,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643157285] [2020-09-21 12:09:20,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:09:20,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:20,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:09:20,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:09:20,810 INFO L87 Difference]: Start difference. First operand 212 states and 257 transitions. Second operand 9 states. [2020-09-21 12:09:21,197 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:22,290 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:22,640 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:22,965 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 12:09:23,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:23,328 INFO L93 Difference]: Finished difference Result 372 states and 490 transitions. [2020-09-21 12:09:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:09:23,331 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 12:09:23,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:23,332 INFO L225 Difference]: With dead ends: 372 [2020-09-21 12:09:23,332 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:23,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:09:23,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:23,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:23,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2020-09-21 12:09:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:23,337 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:23,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:23,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:23,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:23,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:23,589 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:23,795 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:23,968 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:24,283 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:24,587 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:24,870 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:25,170 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:25,458 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:25,736 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:09:26,009 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:09:26,179 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:26,337 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:26,501 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:26,658 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:26,814 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:26,927 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 7 [2020-09-21 12:09:27,047 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-21 12:09:27,380 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:09:27,705 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:09:28,030 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:09:28,355 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 12:09:28,514 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:28,657 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:28,814 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:28,971 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,129 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,287 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,447 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,600 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:29,752 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:29,909 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,061 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:30,220 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,378 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,536 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,698 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,855 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,010 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:31,177 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,279 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 7 [2020-09-21 12:09:31,436 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,593 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,746 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:31,903 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:32,078 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:32,232 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:32,400 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:32,557 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:32,827 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:33,097 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:33,372 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:33,642 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:33,913 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-21 12:09:34,187 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:09:34,460 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-21 12:09:34,623 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:34,732 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 7 [2020-09-21 12:09:34,906 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,021 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 7 [2020-09-21 12:09:35,178 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,336 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,489 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:35,645 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,905 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,068 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,222 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:36,386 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,543 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,711 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,864 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:37,022 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,179 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,331 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:37,487 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,645 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,801 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,955 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:38,112 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:38,502 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-09-21 12:09:38,718 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:39,135 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-21 12:09:39,392 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:09:39,817 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-09-21 12:09:40,106 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 10 [2020-09-21 12:09:40,331 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:40,589 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:41,014 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-21 12:09:41,238 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:09:41,663 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:42,125 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:42,563 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-09-21 12:09:42,964 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:43,395 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-21 12:09:43,618 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:43,855 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:44,095 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:44,307 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-21 12:09:44,717 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:44,953 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:45,173 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:09:45,434 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:45,669 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:46,077 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-09-21 12:09:46,495 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-09-21 12:09:46,878 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-21 12:09:46,884 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-09-21 12:09:46,885 INFO L268 CegarLoopResult]: For program point L408-1(lines 408 412) no Hoare annotation was computed. [2020-09-21 12:09:46,885 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-09-21 12:09:46,885 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 377 432) no Hoare annotation was computed. [2020-09-21 12:09:46,885 INFO L268 CegarLoopResult]: For program point L402-2(lines 402 423) no Hoare annotation was computed. [2020-09-21 12:09:46,885 INFO L268 CegarLoopResult]: For program point L424(lines 401 425) no Hoare annotation was computed. [2020-09-21 12:09:46,885 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 377 432) no Hoare annotation was computed. [2020-09-21 12:09:46,885 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 377 432) no Hoare annotation was computed. [2020-09-21 12:09:46,886 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:09:46,886 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-09-21 12:09:46,886 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 433 492) no Hoare annotation was computed. [2020-09-21 12:09:46,886 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-09-21 12:09:46,886 INFO L268 CegarLoopResult]: For program point L465-1(lines 465 469) no Hoare annotation was computed. [2020-09-21 12:09:46,886 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 433 492) no Hoare annotation was computed. [2020-09-21 12:09:46,886 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:09:46,886 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 433 492) no Hoare annotation was computed. [2020-09-21 12:09:46,887 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 484) no Hoare annotation was computed. [2020-09-21 12:09:46,887 INFO L268 CegarLoopResult]: For program point L485(lines 458 486) no Hoare annotation was computed. [2020-09-21 12:09:46,887 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 712 718) the Hoare annotation is: true [2020-09-21 12:09:46,887 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 712 718) no Hoare annotation was computed. [2020-09-21 12:09:46,887 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 719 727) no Hoare annotation was computed. [2020-09-21 12:09:46,887 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 719 727) the Hoare annotation is: true [2020-09-21 12:09:46,887 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 719 727) no Hoare annotation was computed. [2020-09-21 12:09:46,888 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 803 825) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:46,888 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 803 825) no Hoare annotation was computed. [2020-09-21 12:09:46,888 INFO L264 CegarLoopResult]: At program point L815(line 815) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:46,888 INFO L264 CegarLoopResult]: At program point L815-1(line 815) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:46,888 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-09-21 12:09:46,888 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 803 825) no Hoare annotation was computed. [2020-09-21 12:09:46,889 INFO L268 CegarLoopResult]: For program point L813-1(lines 813 820) no Hoare annotation was computed. [2020-09-21 12:09:46,889 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-09-21 12:09:46,889 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:46,889 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:46,889 INFO L264 CegarLoopResult]: At program point L809-1(line 809) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:46,889 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-09-21 12:09:46,890 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-09-21 12:09:46,890 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 760 783) no Hoare annotation was computed. [2020-09-21 12:09:46,890 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-09-21 12:09:46,890 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-09-21 12:09:46,890 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-09-21 12:09:46,890 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 760 783) no Hoare annotation was computed. [2020-09-21 12:09:46,890 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 760 783) no Hoare annotation was computed. [2020-09-21 12:09:46,890 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-09-21 12:09:46,891 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-09-21 12:09:46,891 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-09-21 12:09:46,891 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-09-21 12:09:46,891 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-09-21 12:09:46,891 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-09-21 12:09:46,891 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-09-21 12:09:46,891 INFO L268 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-09-21 12:09:46,891 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-09-21 12:09:46,892 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 229 243) no Hoare annotation was computed. [2020-09-21 12:09:46,892 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,892 INFO L268 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-09-21 12:09:46,892 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 229 243) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,892 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 229 243) no Hoare annotation was computed. [2020-09-21 12:09:46,892 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 165 173) no Hoare annotation was computed. [2020-09-21 12:09:46,892 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 165 173) the Hoare annotation is: true [2020-09-21 12:09:46,893 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 165 173) no Hoare annotation was computed. [2020-09-21 12:09:46,893 INFO L268 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-09-21 12:09:46,893 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 210 228) the Hoare annotation is: true [2020-09-21 12:09:46,893 INFO L271 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: true [2020-09-21 12:09:46,893 INFO L268 CegarLoopResult]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2020-09-21 12:09:46,893 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-09-21 12:09:46,893 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 210 228) no Hoare annotation was computed. [2020-09-21 12:09:46,893 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 210 228) no Hoare annotation was computed. [2020-09-21 12:09:46,894 INFO L268 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-09-21 12:09:46,894 INFO L268 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-09-21 12:09:46,894 INFO L268 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-09-21 12:09:46,894 INFO L268 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-09-21 12:09:46,894 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 174 209) no Hoare annotation was computed. [2020-09-21 12:09:46,894 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-21 12:09:46,894 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-09-21 12:09:46,894 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 174 209) no Hoare annotation was computed. [2020-09-21 12:09:46,895 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 174 209) no Hoare annotation was computed. [2020-09-21 12:09:46,895 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 705 711) no Hoare annotation was computed. [2020-09-21 12:09:46,895 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 705 711) the Hoare annotation is: true [2020-09-21 12:09:46,895 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 331 376) no Hoare annotation was computed. [2020-09-21 12:09:46,895 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 331 376) no Hoare annotation was computed. [2020-09-21 12:09:46,895 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 331 376) no Hoare annotation was computed. [2020-09-21 12:09:46,895 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 644 689) no Hoare annotation was computed. [2020-09-21 12:09:46,895 INFO L268 CegarLoopResult]: For program point L664(lines 664 671) no Hoare annotation was computed. [2020-09-21 12:09:46,896 INFO L268 CegarLoopResult]: For program point L658(lines 658 678) no Hoare annotation was computed. [2020-09-21 12:09:46,896 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 678) no Hoare annotation was computed. [2020-09-21 12:09:46,896 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 644 689) no Hoare annotation was computed. [2020-09-21 12:09:46,896 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 644 689) no Hoare annotation was computed. [2020-09-21 12:09:46,896 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 792 802) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:46,896 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,896 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 792 802) no Hoare annotation was computed. [2020-09-21 12:09:46,897 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 792 802) no Hoare annotation was computed. [2020-09-21 12:09:46,897 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 154 164) the Hoare annotation is: true [2020-09-21 12:09:46,897 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-09-21 12:09:46,897 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-09-21 12:09:46,897 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 154 164) no Hoare annotation was computed. [2020-09-21 12:09:46,897 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 154 164) no Hoare annotation was computed. [2020-09-21 12:09:46,897 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 146 153) the Hoare annotation is: true [2020-09-21 12:09:46,897 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 146 153) no Hoare annotation was computed. [2020-09-21 12:09:46,897 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 146 153) no Hoare annotation was computed. [2020-09-21 12:09:46,898 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,898 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,898 INFO L268 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-09-21 12:09:46,898 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,898 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2020-09-21 12:09:46,898 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-09-21 12:09:46,898 INFO L268 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-09-21 12:09:46,899 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-09-21 12:09:46,899 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-09-21 12:09:46,899 INFO L268 CegarLoopResult]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2020-09-21 12:09:46,899 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2020-09-21 12:09:46,899 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2020-09-21 12:09:46,899 INFO L264 CegarLoopResult]: At program point testENTRY(lines 256 323) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:46,899 INFO L264 CegarLoopResult]: At program point L316(lines 265 317) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,900 INFO L268 CegarLoopResult]: For program point testFINAL(lines 256 323) no Hoare annotation was computed. [2020-09-21 12:09:46,900 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,900 INFO L268 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-09-21 12:09:46,900 INFO L264 CegarLoopResult]: At program point L304-1(lines 296 311) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,900 INFO L268 CegarLoopResult]: For program point L267(lines 266 315) no Hoare annotation was computed. [2020-09-21 12:09:46,900 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,900 INFO L268 CegarLoopResult]: For program point L296(lines 296 311) no Hoare annotation was computed. [2020-09-21 12:09:46,901 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,901 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-09-21 12:09:46,901 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2020-09-21 12:09:46,901 INFO L264 CegarLoopResult]: At program point L313(lines 266 315) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,901 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,901 INFO L268 CegarLoopResult]: For program point L276(lines 276 282) no Hoare annotation was computed. [2020-09-21 12:09:46,901 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point testEXIT(lines 256 323) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 598 643) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 598 643) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 598 643) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point L612(lines 612 632) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 632) no Hoare annotation was computed. [2020-09-21 12:09:46,902 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 956 964) no Hoare annotation was computed. [2020-09-21 12:09:46,903 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 956 964) the Hoare annotation is: true [2020-09-21 12:09:46,903 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 956 964) no Hoare annotation was computed. [2020-09-21 12:09:46,903 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,903 INFO L268 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-09-21 12:09:46,903 INFO L268 CegarLoopResult]: For program point L849(lines 849 859) no Hoare annotation was computed. [2020-09-21 12:09:46,903 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 837 865) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,903 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,903 INFO L268 CegarLoopResult]: For program point L847-1(line 847) no Hoare annotation was computed. [2020-09-21 12:09:46,904 INFO L268 CegarLoopResult]: For program point L845(lines 845 862) no Hoare annotation was computed. [2020-09-21 12:09:46,904 INFO L268 CegarLoopResult]: For program point L845-1(lines 837 865) no Hoare annotation was computed. [2020-09-21 12:09:46,904 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,904 INFO L268 CegarLoopResult]: For program point L843-1(line 843) no Hoare annotation was computed. [2020-09-21 12:09:46,904 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 837 865) no Hoare annotation was computed. [2020-09-21 12:09:46,904 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 924 946) no Hoare annotation was computed. [2020-09-21 12:09:46,904 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 924 946) no Hoare annotation was computed. [2020-09-21 12:09:46,904 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 924 946) no Hoare annotation was computed. [2020-09-21 12:09:46,904 INFO L268 CegarLoopResult]: For program point L932(lines 932 940) no Hoare annotation was computed. [2020-09-21 12:09:46,905 INFO L268 CegarLoopResult]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2020-09-21 12:09:46,905 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 829 836) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,905 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 829 836) no Hoare annotation was computed. [2020-09-21 12:09:46,905 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 829 836) no Hoare annotation was computed. [2020-09-21 12:09:46,905 INFO L268 CegarLoopResult]: For program point L545(lines 544 564) no Hoare annotation was computed. [2020-09-21 12:09:46,905 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-09-21 12:09:46,905 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-09-21 12:09:46,905 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 495 597) no Hoare annotation was computed. [2020-09-21 12:09:46,906 INFO L268 CegarLoopResult]: For program point L541(lines 541 582) no Hoare annotation was computed. [2020-09-21 12:09:46,906 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 12:09:46,906 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-09-21 12:09:46,906 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-09-21 12:09:46,906 INFO L268 CegarLoopResult]: For program point L583(lines 583 594) no Hoare annotation was computed. [2020-09-21 12:09:46,906 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 495 597) no Hoare annotation was computed. [2020-09-21 12:09:46,906 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-09-21 12:09:46,906 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 564) no Hoare annotation was computed. [2020-09-21 12:09:46,907 INFO L268 CegarLoopResult]: For program point L565(lines 543 566) no Hoare annotation was computed. [2020-09-21 12:09:46,907 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 495 597) no Hoare annotation was computed. [2020-09-21 12:09:46,907 INFO L268 CegarLoopResult]: For program point L524(lines 524 540) no Hoare annotation was computed. [2020-09-21 12:09:46,907 INFO L268 CegarLoopResult]: For program point L584(lines 584 591) no Hoare annotation was computed. [2020-09-21 12:09:46,907 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 695 704) no Hoare annotation was computed. [2020-09-21 12:09:46,907 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 695 704) no Hoare annotation was computed. [2020-09-21 12:09:46,907 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 695 704) no Hoare annotation was computed. [2020-09-21 12:09:46,907 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,908 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.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~string46.base| |old(#t~string46.base)|) (= |#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~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:09:46,908 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,908 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 138 145) no Hoare annotation was computed. [2020-09-21 12:09:46,908 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 138 145) no Hoare annotation was computed. [2020-09-21 12:09:46,908 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 138 145) no Hoare annotation was computed. [2020-09-21 12:09:46,908 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 947 955) no Hoare annotation was computed. [2020-09-21 12:09:46,908 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 947 955) no Hoare annotation was computed. [2020-09-21 12:09:46,909 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 947 955) no Hoare annotation was computed. [2020-09-21 12:09:46,909 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 903 914) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,909 INFO L268 CegarLoopResult]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2020-09-21 12:09:46,909 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 903 914) no Hoare annotation was computed. [2020-09-21 12:09:46,909 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,909 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,909 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,909 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 915 923) the Hoare annotation is: true [2020-09-21 12:09:46,909 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 915 923) no Hoare annotation was computed. [2020-09-21 12:09:46,910 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 915 923) no Hoare annotation was computed. [2020-09-21 12:09:46,910 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,910 INFO L268 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-09-21 12:09:46,910 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 12:09:46,910 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-09-21 12:09:46,910 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-09-21 12:09:46,910 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 12:09:46,911 INFO L264 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 12:09:46,911 INFO L271 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: true [2020-09-21 12:09:46,911 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 730 759) no Hoare annotation was computed. [2020-09-21 12:09:46,911 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-09-21 12:09:46,911 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 730 759) the Hoare annotation is: true [2020-09-21 12:09:46,911 INFO L271 CegarLoopResult]: At program point L755(lines 730 759) the Hoare annotation is: true [2020-09-21 12:09:46,911 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-09-21 12:09:46,911 INFO L268 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-09-21 12:09:46,912 INFO L271 CegarLoopResult]: At program point L744-1(lines 744 748) the Hoare annotation is: true [2020-09-21 12:09:46,912 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-09-21 12:09:46,912 INFO L271 CegarLoopResult]: At program point L740-2(lines 740 754) the Hoare annotation is: true [2020-09-21 12:09:46,912 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 879 890) the Hoare annotation is: true [2020-09-21 12:09:46,912 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 879 890) no Hoare annotation was computed. [2020-09-21 12:09:46,912 INFO L268 CegarLoopResult]: For program point L883-1(lines 879 890) no Hoare annotation was computed. [2020-09-21 12:09:46,912 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 784 790) no Hoare annotation was computed. [2020-09-21 12:09:46,912 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 784 790) the Hoare annotation is: true [2020-09-21 12:09:46,912 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,913 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:09:46,913 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:46,913 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,913 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 244 251) no Hoare annotation was computed. [2020-09-21 12:09:46,913 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 244 251) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,913 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 244 251) no Hoare annotation was computed. [2020-09-21 12:09:46,913 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 891 902) no Hoare annotation was computed. [2020-09-21 12:09:46,913 INFO L268 CegarLoopResult]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2020-09-21 12:09:46,914 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 891 902) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,914 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 867 874) no Hoare annotation was computed. [2020-09-21 12:09:46,914 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2020-09-21 12:09:46,914 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 867 874) the Hoare annotation is: true [2020-09-21 12:09:46,914 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 867 874) no Hoare annotation was computed. [2020-09-21 12:09:46,914 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,914 INFO L268 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-09-21 12:09:46,915 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2020-09-21 12:09:46,915 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,915 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-09-21 12:09:46,915 INFO L268 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-09-21 12:09:46,915 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 87 111) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-09-21 12:09:46,915 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-09-21 12:09:46,915 INFO L268 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-09-21 12:09:46,915 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:46,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:46 BoogieIcfgContainer [2020-09-21 12:09:46,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:46,937 INFO L168 Benchmark]: Toolchain (without parser) took 40110.33 ms. Allocated memory was 146.3 MB in the beginning and 638.6 MB in the end (delta: 492.3 MB). Free memory was 101.4 MB in the beginning and 222.0 MB in the end (delta: -120.6 MB). Peak memory consumption was 514.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,937 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.07 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 100.8 MB in the beginning and 168.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,939 INFO L168 Benchmark]: Boogie Preprocessor took 93.02 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 163.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,940 INFO L168 Benchmark]: RCFGBuilder took 1201.15 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 163.6 MB in the beginning and 193.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,941 INFO L168 Benchmark]: TraceAbstraction took 38089.67 ms. Allocated memory was 233.8 MB in the beginning and 638.6 MB in the end (delta: 404.8 MB). Free memory was 191.6 MB in the beginning and 222.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 516.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,944 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 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.07 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 100.8 MB in the beginning and 168.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.02 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 163.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1201.15 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 163.6 MB in the beginning and 193.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38089.67 ms. Allocated memory was 233.8 MB in the beginning and 638.6 MB in the end (delta: 404.8 MB). Free memory was 191.6 MB in the beginning and 222.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 516.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: 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: 265]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 447 SDtfs, 597 SDslu, 263 SDs, 0 SdLazy, 1120 SolverSat, 433 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 127 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 338 PreInvPairs, 382 NumberOfFragments, 914 HoareAnnotationTreeSize, 338 FomulaSimplifications, 41230 FormulaSimplificationTreeSizeReduction, 14.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 9195 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 61914 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...