/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_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:06:10,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:06:10,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:06:10,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:06:10,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:06:10,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:06:10,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:06:10,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:06:10,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:06:10,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:06:10,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:06:10,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:06:10,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:06:10,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:06:10,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:06:10,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:06:10,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:06:10,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:06:10,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:06:10,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:06:10,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:06:10,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:06:10,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:06:10,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:06:10,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:06:10,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:06:10,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:06:10,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:06:10,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:06:10,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:06:10,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:06:10,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:06:10,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:06:10,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:06:10,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:06:10,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:06:10,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:06:10,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:06:10,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:06:10,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:06:10,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:06:10,681 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 12:06:10,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:06:10,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:06:10,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:06:10,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:06:10,744 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:06:10,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:06:10,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:06:10,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:06:10,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:06:10,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:06:10,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:06:10,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:06:10,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:06:10,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:06:10,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:06:10,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:06:10,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:06:10,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:06:10,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:06:10,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:06:10,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:06:10,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:06:10,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:06:10,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:06:10,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:06:10,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:06:10,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:06:10,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:06:10,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:06:10,751 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 12:06:11,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:06:11,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:06:11,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:06:11,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:06:11,269 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:06:11,271 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2020-09-21 12:06:11,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/432fc18f7/9ccfa05f71634c99aead7b4125769570/FLAGa827f3eec [2020-09-21 12:06:12,023 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:06:12,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2020-09-21 12:06:12,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/432fc18f7/9ccfa05f71634c99aead7b4125769570/FLAGa827f3eec [2020-09-21 12:06:12,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/432fc18f7/9ccfa05f71634c99aead7b4125769570 [2020-09-21 12:06:12,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:06:12,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:06:12,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:06:12,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:06:12,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:06:12,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:06:12" (1/1) ... [2020-09-21 12:06:12,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:12, skipping insertion in model container [2020-09-21 12:06:12,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:06:12" (1/1) ... [2020-09-21 12:06:12,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:06:12,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:06:12,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:06:12,789 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:06:12,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:06:13,010 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:06:13,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13 WrapperNode [2020-09-21 12:06:13,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:06:13,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:06:13,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:06:13,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:06:13,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (1/1) ... [2020-09-21 12:06:13,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (1/1) ... [2020-09-21 12:06:13,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (1/1) ... [2020-09-21 12:06:13,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (1/1) ... [2020-09-21 12:06:13,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (1/1) ... [2020-09-21 12:06:13,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (1/1) ... [2020-09-21 12:06:13,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (1/1) ... [2020-09-21 12:06:13,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:06:13,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:06:13,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:06:13,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:06:13,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (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 12:06:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:06:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:06:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:06:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:06:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:06:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:06:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:06:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:06:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:06:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:06:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:06:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:06:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:06:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:06:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:06:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:06:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:06:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:06:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:06:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:06:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:06:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:06:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:06:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:06:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:06:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:06:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:06:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:06:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:06:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:06:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:06:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:06:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:06:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:06:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:06:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:06:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:06:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:06:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:06:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:06:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:06:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:06:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:06:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:06:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:06:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:06:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:06:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:06:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:06:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:06:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:06:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:06:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:06:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:06:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:06:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:06:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:06:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:06:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:06:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:06:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:06:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:06:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:06:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:06:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:06:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:06:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:06:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:06:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:06:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:06:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:06:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:06:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:06:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:06:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:06:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:06:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:06:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:06:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:06:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:06:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:06:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:06:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:06:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:06:16,463 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:06:16,463 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:06:16,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:06:16 BoogieIcfgContainer [2020-09-21 12:06:16,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:06:16,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:06:16,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:06:16,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:06:16,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:06:12" (1/3) ... [2020-09-21 12:06:16,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7aaf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:06:16, skipping insertion in model container [2020-09-21 12:06:16,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:06:13" (2/3) ... [2020-09-21 12:06:16,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7aaf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:06:16, skipping insertion in model container [2020-09-21 12:06:16,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:06:16" (3/3) ... [2020-09-21 12:06:16,488 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2020-09-21 12:06:16,500 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:06:16,515 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:06:16,539 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:06:16,576 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:06:16,576 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:06:16,576 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:06:16,576 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:06:16,576 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:06:16,576 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:06:16,577 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:06:16,577 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:06:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-09-21 12:06:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:06:16,613 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:16,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:16,615 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:16,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:16,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1366605273, now seen corresponding path program 1 times [2020-09-21 12:06:16,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:16,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226905643] [2020-09-21 12:06:16,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:17,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:17,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:18,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:18,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:06:18,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:18,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1066 [2020-09-21 12:06:18,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:06:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:18,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:06:18,454 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:18,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:18,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:18,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:18,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:18,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:18,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 12:06:18,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:18,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:18,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:18,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:18,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:18,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:18,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:18,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:18,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:18,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:18,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:18,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:18,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:18,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:18,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:18,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:18,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:18,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:18,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:18,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:18,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:18,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:18,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:18,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:18,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:18,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:18,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:18,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:18,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:18,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:18,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:18,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:18,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:18,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:18,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:18,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:18,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:06:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:18,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:18,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:18,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:18,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:18,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:18,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:18,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:06:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:18,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:18,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:18,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:18,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:18,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:18,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:18,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:18,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:18,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:18,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:18,640 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 12:06:18,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226905643] [2020-09-21 12:06:18,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:18,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:06:18,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250593041] [2020-09-21 12:06:18,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:06:18,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:18,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:06:18,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:06:18,682 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-09-21 12:06:19,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:19,872 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-09-21 12:06:19,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:06:19,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:06:19,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:19,893 INFO L225 Difference]: With dead ends: 256 [2020-09-21 12:06:19,894 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 12:06:19,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:06:19,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 12:06:20,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-09-21 12:06:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-21 12:06:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-09-21 12:06:20,042 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-09-21 12:06:20,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:20,044 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-09-21 12:06:20,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:06:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-09-21 12:06:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:06:20,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:20,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:06:20,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:06:20,050 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:20,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:20,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1231838071, now seen corresponding path program 1 times [2020-09-21 12:06:20,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:20,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790844835] [2020-09-21 12:06:20,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:20,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:21,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:06:21,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:06:21,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1256 [2020-09-21 12:06:21,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:21,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:21,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:06:21,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:06:21,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:06:21,674 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:21,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:21,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:21,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:21,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:21,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:06:21,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:21,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:21,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:21,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:21,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:21,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:21,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:21,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:21,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:21,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:21,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:21,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:21,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:21,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:21,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:21,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:21,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:21,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:21,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:21,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:21,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:21,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:21,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:21,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:21,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:21,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:21,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:21,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:21,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:21,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:21,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:06:21,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:21,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:21,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:06:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:21,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:21,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:21,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:21,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:21,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:21,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:06:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:21,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:21,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:21,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:21,834 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 12:06:21,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790844835] [2020-09-21 12:06:21,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:21,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:21,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359777847] [2020-09-21 12:06:21,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:21,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:21,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:21,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:21,840 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-09-21 12:06:22,315 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:06:23,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:23,011 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-09-21 12:06:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:23,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:06:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:23,021 INFO L225 Difference]: With dead ends: 185 [2020-09-21 12:06:23,021 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 12:06:23,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:06:23,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 12:06:23,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-09-21 12:06:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 12:06:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-09-21 12:06:23,070 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-09-21 12:06:23,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:23,071 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-09-21 12:06:23,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-09-21 12:06:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:06:23,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:23,084 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 12:06:23,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:06:23,085 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:23,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:23,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1636281737, now seen corresponding path program 1 times [2020-09-21 12:06:23,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:23,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445995187] [2020-09-21 12:06:23,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:23,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:23,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:24,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:24,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:06:24,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:24,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-09-21 12:06:24,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:24,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:06:24,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:24,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:06:24,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:24,422 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:24,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:24,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:24,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:24,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:24,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:24,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-21 12:06:24,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:06:24,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:24,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:24,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:24,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:24,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:24,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:24,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:24,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:24,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:24,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:24,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:24,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:24,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:24,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:24,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:24,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:24,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:24,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:24,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:24,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:06:24,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:24,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:24,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:24,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:24,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:24,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:24,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:24,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:24,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:24,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:24,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:06:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:24,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:24,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:24,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:24,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:24,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:24,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:24,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:24,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:06:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:24,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:24,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:24,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:24,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:06:24,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:06:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:06:24,709 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 12:06:24,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445995187] [2020-09-21 12:06:24,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:24,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:06:24,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662640861] [2020-09-21 12:06:24,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:06:24,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:24,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:06:24,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:06:24,712 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 4 states. [2020-09-21 12:06:25,093 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:25,800 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-09-21 12:06:25,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:06:25,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:06:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:25,805 INFO L225 Difference]: With dead ends: 198 [2020-09-21 12:06:25,805 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 12:06:25,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:06:25,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 12:06:25,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-09-21 12:06:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 12:06:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-09-21 12:06:25,862 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-09-21 12:06:25,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:25,862 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-09-21 12:06:25,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:06:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-09-21 12:06:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:06:25,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:06:25,864 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] [2020-09-21 12:06:25,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:06:25,865 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:06:25,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:06:25,866 INFO L82 PathProgramCache]: Analyzing trace with hash -792459520, now seen corresponding path program 1 times [2020-09-21 12:06:25,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:06:25,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102660076] [2020-09-21 12:06:25,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:06:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:25,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:26,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:26,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 12:06:26,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:26,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-09-21 12:06:26,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:26,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:06:26,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 12:06:26,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:06:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,219 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:27,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:06:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:27,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:06:27,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:06:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:27,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:06:27,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:27,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:06:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:27,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:06:27,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:27,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:06:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:27,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:27,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:06:27,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:27,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:27,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:06:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:27,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:06:27,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:06:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:06:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:06:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:06:27,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:06:27,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:06:27,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:06:27,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:06:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:06:27,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:27,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:27,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:06:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 12:06:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:27,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:27,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:06:27,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:06:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 12:06:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:06:27,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:06:27,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:06:27,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:06:27,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:06:27,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:06:27,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:06:27,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:06:27,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:06:27,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:06:27,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:06:27,399 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 12:06:27,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102660076] [2020-09-21 12:06:27,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:06:27,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:06:27,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826618535] [2020-09-21 12:06:27,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:06:27,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:06:27,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:06:27,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:06:27,402 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 8 states. [2020-09-21 12:06:28,029 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:29,176 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 12:06:29,510 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:29,879 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:30,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:06:30,011 INFO L93 Difference]: Finished difference Result 166 states and 201 transitions. [2020-09-21 12:06:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:06:30,012 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-09-21 12:06:30,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:06:30,014 INFO L225 Difference]: With dead ends: 166 [2020-09-21 12:06:30,014 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:06:30,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:06:30,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:06:30,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:06:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:06:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:06:30,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-09-21 12:06:30,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:06:30,021 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:06:30,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:06:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:06:30,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:06:30,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:06:30,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:06:30,262 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:30,422 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:30,686 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:30,934 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:31,093 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:31,245 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:31,398 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:31,552 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:31,702 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:31,859 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:32,014 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:32,163 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:32,302 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:32,456 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:32,611 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:32,766 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:32,913 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:33,063 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:33,214 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:33,365 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:33,512 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:33,649 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:33,799 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:33,947 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:34,086 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:34,225 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:34,377 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:34,531 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:34,679 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:34,919 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:35,158 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:35,292 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:35,441 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:35,590 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:35,740 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:35,889 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:36,042 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:36,179 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:06:36,396 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 11 [2020-09-21 12:06:36,611 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:36,819 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-09-21 12:06:37,042 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 11 [2020-09-21 12:06:37,246 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:37,448 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-21 12:06:37,652 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:37,910 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:38,143 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-09-21 12:06:38,354 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:06:38,579 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:06:38,837 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:39,048 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:39,251 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:39,445 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 15 [2020-09-21 12:06:39,704 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:39,923 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:39,965 INFO L268 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-09-21 12:06:39,965 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-09-21 12:06:39,965 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 534 589) no Hoare annotation was computed. [2020-09-21 12:06:39,965 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 580) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 534 589) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point L581(lines 558 582) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 534 589) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 590 649) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 590 649) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point L622(lines 622 626) no Hoare annotation was computed. [2020-09-21 12:06:39,966 INFO L268 CegarLoopResult]: For program point L622-1(lines 622 626) no Hoare annotation was computed. [2020-09-21 12:06:39,967 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 590 649) no Hoare annotation was computed. [2020-09-21 12:06:39,967 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-09-21 12:06:39,967 INFO L268 CegarLoopResult]: For program point L616-2(lines 616 641) no Hoare annotation was computed. [2020-09-21 12:06:39,967 INFO L268 CegarLoopResult]: For program point L642(lines 615 643) no Hoare annotation was computed. [2020-09-21 12:06:39,967 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 12:06:39,967 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 12:06:39,967 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:06:39,967 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 12:06:39,968 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:06:39,968 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:39,968 INFO L264 CegarLoopResult]: At program point L289-1(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:39,968 INFO L268 CegarLoopResult]: For program point L287(lines 287 294) no Hoare annotation was computed. [2020-09-21 12:06:39,968 INFO L268 CegarLoopResult]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2020-09-21 12:06:39,969 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 277 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:39,969 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-21 12:06:39,969 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:39,969 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:39,969 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:39,969 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2020-09-21 12:06:39,970 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 277 299) no Hoare annotation was computed. [2020-09-21 12:06:39,970 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 235 258) no Hoare annotation was computed. [2020-09-21 12:06:39,970 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-09-21 12:06:39,970 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 235 258) no Hoare annotation was computed. [2020-09-21 12:06:39,970 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-09-21 12:06:39,970 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 235 258) no Hoare annotation was computed. [2020-09-21 12:06:39,970 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-09-21 12:06:39,971 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-09-21 12:06:39,971 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-09-21 12:06:39,971 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-09-21 12:06:39,971 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-09-21 12:06:39,971 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-09-21 12:06:39,972 INFO L268 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-09-21 12:06:39,972 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-09-21 12:06:39,972 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-09-21 12:06:39,972 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-21 12:06:39,972 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-21 12:06:39,972 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-09-21 12:06:39,972 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2020-09-21 12:06:39,973 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2020-09-21 12:06:39,973 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2020-09-21 12:06:39,973 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-09-21 12:06:39,973 INFO L271 CegarLoopResult]: At program point L461(line 461) the Hoare annotation is: true [2020-09-21 12:06:39,973 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2020-09-21 12:06:39,973 INFO L268 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-09-21 12:06:39,973 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2020-09-21 12:06:39,973 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2020-09-21 12:06:39,974 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 454 472) no Hoare annotation was computed. [2020-09-21 12:06:39,974 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:06:39,974 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-09-21 12:06:39,974 INFO L268 CegarLoopResult]: For program point L437(lines 437 445) no Hoare annotation was computed. [2020-09-21 12:06:39,974 INFO L268 CegarLoopResult]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2020-09-21 12:06:39,974 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 418 453) no Hoare annotation was computed. [2020-09-21 12:06:39,974 INFO L268 CegarLoopResult]: For program point L425(lines 425 433) no Hoare annotation was computed. [2020-09-21 12:06:39,974 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 433) no Hoare annotation was computed. [2020-09-21 12:06:39,975 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 418 453) no Hoare annotation was computed. [2020-09-21 12:06:39,975 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 418 453) no Hoare annotation was computed. [2020-09-21 12:06:39,975 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 12:06:39,975 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 12:06:39,975 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 488 533) no Hoare annotation was computed. [2020-09-21 12:06:39,975 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 488 533) no Hoare annotation was computed. [2020-09-21 12:06:39,975 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 488 533) no Hoare annotation was computed. [2020-09-21 12:06:39,975 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 801 846) no Hoare annotation was computed. [2020-09-21 12:06:39,976 INFO L268 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-09-21 12:06:39,976 INFO L268 CegarLoopResult]: For program point L815(lines 815 835) no Hoare annotation was computed. [2020-09-21 12:06:39,976 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 835) no Hoare annotation was computed. [2020-09-21 12:06:39,976 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 801 846) no Hoare annotation was computed. [2020-09-21 12:06:39,976 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 801 846) no Hoare annotation was computed. [2020-09-21 12:06:39,976 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 267 276) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:39,976 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2020-09-21 12:06:39,977 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2020-09-21 12:06:39,977 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 398 408) no Hoare annotation was computed. [2020-09-21 12:06:39,977 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 398 408) no Hoare annotation was computed. [2020-09-21 12:06:39,977 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 398 408) no Hoare annotation was computed. [2020-09-21 12:06:39,977 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-09-21 12:06:39,977 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-09-21 12:06:39,977 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2020-09-21 12:06:39,977 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2020-09-21 12:06:39,978 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2020-09-21 12:06:39,978 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,978 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,978 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-09-21 12:06:39,978 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,978 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-09-21 12:06:39,978 INFO L268 CegarLoopResult]: For program point L343(lines 343 360) no Hoare annotation was computed. [2020-09-21 12:06:39,979 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2020-09-21 12:06:39,979 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,979 INFO L264 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,979 INFO L268 CegarLoopResult]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2020-09-21 12:06:39,979 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2020-09-21 12:06:39,979 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2020-09-21 12:06:39,979 INFO L268 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-09-21 12:06:39,980 INFO L264 CegarLoopResult]: At program point testENTRY(lines 848 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:39,980 INFO L264 CegarLoopResult]: At program point L896-2(lines 888 901) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,980 INFO L268 CegarLoopResult]: For program point L859(lines 858 905) no Hoare annotation was computed. [2020-09-21 12:06:39,980 INFO L264 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,980 INFO L268 CegarLoopResult]: For program point L888(lines 888 901) no Hoare annotation was computed. [2020-09-21 12:06:39,980 INFO L268 CegarLoopResult]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2020-09-21 12:06:39,981 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,981 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-09-21 12:06:39,981 INFO L268 CegarLoopResult]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2020-09-21 12:06:39,981 INFO L264 CegarLoopResult]: At program point L903(lines 858 905) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,981 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,981 INFO L268 CegarLoopResult]: For program point L868(lines 868 874) no Hoare annotation was computed. [2020-09-21 12:06:39,981 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2020-09-21 12:06:39,981 INFO L268 CegarLoopResult]: For program point L860(lines 860 864) no Hoare annotation was computed. [2020-09-21 12:06:39,982 INFO L264 CegarLoopResult]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,982 INFO L268 CegarLoopResult]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2020-09-21 12:06:39,982 INFO L268 CegarLoopResult]: For program point L769(lines 769 789) no Hoare annotation was computed. [2020-09-21 12:06:39,982 INFO L268 CegarLoopResult]: For program point L769-1(lines 769 789) no Hoare annotation was computed. [2020-09-21 12:06:39,982 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 755 800) no Hoare annotation was computed. [2020-09-21 12:06:39,982 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 755 800) no Hoare annotation was computed. [2020-09-21 12:06:39,982 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 755 800) no Hoare annotation was computed. [2020-09-21 12:06:39,983 INFO L268 CegarLoopResult]: For program point L775(lines 775 782) no Hoare annotation was computed. [2020-09-21 12:06:39,983 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 364 371) no Hoare annotation was computed. [2020-09-21 12:06:39,983 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 364 371) no Hoare annotation was computed. [2020-09-21 12:06:39,983 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 364 371) no Hoare annotation was computed. [2020-09-21 12:06:39,983 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2020-09-21 12:06:39,983 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2020-09-21 12:06:39,983 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2020-09-21 12:06:39,984 INFO L268 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-09-21 12:06:39,984 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-09-21 12:06:39,984 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2020-09-21 12:06:39,984 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2020-09-21 12:06:39,984 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2020-09-21 12:06:39,984 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:06:39,984 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 652 754) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point L702(lines 701 721) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point L698(lines 698 739) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-09-21 12:06:39,985 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 652 754) no Hoare annotation was computed. [2020-09-21 12:06:39,986 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-09-21 12:06:39,986 INFO L268 CegarLoopResult]: For program point L740(lines 740 751) no Hoare annotation was computed. [2020-09-21 12:06:39,986 INFO L268 CegarLoopResult]: For program point L703(lines 703 707) no Hoare annotation was computed. [2020-09-21 12:06:39,986 INFO L268 CegarLoopResult]: For program point L701-2(lines 701 721) no Hoare annotation was computed. [2020-09-21 12:06:39,986 INFO L268 CegarLoopResult]: For program point L722(lines 700 723) no Hoare annotation was computed. [2020-09-21 12:06:39,986 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 652 754) no Hoare annotation was computed. [2020-09-21 12:06:39,986 INFO L268 CegarLoopResult]: For program point L681(lines 681 697) no Hoare annotation was computed. [2020-09-21 12:06:39,986 INFO L268 CegarLoopResult]: For program point L741(lines 741 748) no Hoare annotation was computed. [2020-09-21 12:06:39,987 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:39,987 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:06:39,987 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:39,987 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-09-21 12:06:39,987 INFO L268 CegarLoopResult]: For program point L384-1(lines 373 389) no Hoare annotation was computed. [2020-09-21 12:06:39,988 INFO L268 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-09-21 12:06:39,988 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 373 389) no Hoare annotation was computed. [2020-09-21 12:06:39,988 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-21 12:06:39,988 INFO L268 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-09-21 12:06:39,988 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 373 389) no Hoare annotation was computed. [2020-09-21 12:06:39,988 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 155 163) no Hoare annotation was computed. [2020-09-21 12:06:39,988 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2020-09-21 12:06:39,988 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2020-09-21 12:06:39,989 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:06:39,989 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2020-09-21 12:06:39,989 INFO L268 CegarLoopResult]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2020-09-21 12:06:39,989 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:39,989 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:06:39,989 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:39,989 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2020-09-21 12:06:39,989 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2020-09-21 12:06:39,990 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2020-09-21 12:06:39,990 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,990 INFO L264 CegarLoopResult]: At program point L318(lines 318 324) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,990 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,990 INFO L268 CegarLoopResult]: For program point L311(lines 310 329) no Hoare annotation was computed. [2020-09-21 12:06:39,990 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:39,991 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2020-09-21 12:06:39,991 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2020-09-21 12:06:39,991 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-09-21 12:06:39,991 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2020-09-21 12:06:39,991 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2020-09-21 12:06:39,991 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-09-21 12:06:39,991 INFO L271 CegarLoopResult]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2020-09-21 12:06:39,991 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-09-21 12:06:39,991 INFO L271 CegarLoopResult]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2020-09-21 12:06:39,992 INFO L271 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: true [2020-09-21 12:06:39,992 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-09-21 12:06:39,992 INFO L271 CegarLoopResult]: At program point L229(lines 204 233) the Hoare annotation is: true [2020-09-21 12:06:39,992 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2020-09-21 12:06:39,992 INFO L268 CegarLoopResult]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2020-09-21 12:06:39,992 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2020-09-21 12:06:39,992 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2020-09-21 12:06:39,992 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2020-09-21 12:06:39,993 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:39,993 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:06:39,993 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:06:39,993 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:39,993 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2020-09-21 12:06:39,993 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 12:06:39,993 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 473 480) no Hoare annotation was computed. [2020-09-21 12:06:39,994 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2020-09-21 12:06:39,994 INFO L268 CegarLoopResult]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2020-09-21 12:06:39,994 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:06:39,994 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2020-09-21 12:06:39,994 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2020-09-21 12:06:39,994 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2020-09-21 12:06:39,994 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2020-09-21 12:06:39,995 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:39,995 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2020-09-21 12:06:39,995 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-09-21 12:06:39,995 INFO L271 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: true [2020-09-21 12:06:39,995 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-09-21 12:06:39,995 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-09-21 12:06:39,995 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2020-09-21 12:06:39,996 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2020-09-21 12:06:39,996 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-09-21 12:06:39,996 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-09-21 12:06:40,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:06:40 BoogieIcfgContainer [2020-09-21 12:06:40,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:06:40,017 INFO L168 Benchmark]: Toolchain (without parser) took 27734.40 ms. Allocated memory was 140.0 MB in the beginning and 563.1 MB in the end (delta: 423.1 MB). Free memory was 102.1 MB in the beginning and 444.6 MB in the end (delta: -342.5 MB). Peak memory consumption was 392.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,017 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.11 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 173.0 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,019 INFO L168 Benchmark]: Boogie Preprocessor took 107.12 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,020 INFO L168 Benchmark]: RCFGBuilder took 3355.57 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.9 MB in the beginning and 200.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,021 INFO L168 Benchmark]: TraceAbstraction took 23536.71 ms. Allocated memory was 235.9 MB in the beginning and 563.1 MB in the end (delta: 327.2 MB). Free memory was 199.3 MB in the beginning and 444.6 MB in the end (delta: -245.2 MB). Peak memory consumption was 394.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:40,025 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.11 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 173.0 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.12 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3355.57 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.9 MB in the beginning and 200.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23536.71 ms. Allocated memory was 235.9 MB in the beginning and 563.1 MB in the end (delta: 327.2 MB). Free memory was 199.3 MB in the beginning and 444.6 MB in the end (delta: -245.2 MB). Peak memory consumption was 394.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: 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: 858]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 342 SDtfs, 403 SDslu, 89 SDs, 0 SdLazy, 602 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 170 PreInvPairs, 186 NumberOfFragments, 646 HoareAnnotationTreeSize, 170 FomulaSimplifications, 7402 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 4895 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 52690 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...