/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:13:33,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:13:33,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:13:33,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:13:33,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:13:33,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:13:33,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:13:33,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:13:33,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:13:33,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:13:33,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:13:33,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:13:33,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:13:33,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:13:33,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:13:33,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:13:33,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:13:33,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:13:33,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:13:33,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:13:33,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:13:33,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:13:33,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:13:33,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:13:33,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:13:33,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:13:33,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:13:33,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:13:33,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:13:33,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:13:33,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:13:33,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:13:33,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:13:33,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:13:33,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:13:33,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:13:33,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:13:33,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:13:33,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:13:33,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:13:33,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:13:33,746 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 [2020-08-21 13:13:33,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:13:33,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:13:33,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:13:33,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:13:33,790 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:13:33,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:13:33,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:13:33,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:13:33,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:13:33,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:13:33,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:13:33,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:13:33,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:13:33,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:13:33,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:13:33,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:13:33,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:13:33,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:13:33,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:13:33,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:13:33,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:13:33,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:13:33,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:13:33,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:13:33,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:13:33,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:13:33,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:13:33,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:13:33,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:13:33,796 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 -> false [2020-08-21 13:13:34,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:13:34,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:13:34,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:13:34,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:13:34,133 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:13:34,134 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-08-21 13:13:34,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4ac6baf1/d04dac7eafb74827bb24ce7996b50cc3/FLAGfa9d82844 [2020-08-21 13:13:34,731 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:13:34,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-08-21 13:13:34,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4ac6baf1/d04dac7eafb74827bb24ce7996b50cc3/FLAGfa9d82844 [2020-08-21 13:13:35,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4ac6baf1/d04dac7eafb74827bb24ce7996b50cc3 [2020-08-21 13:13:35,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:13:35,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:13:35,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:13:35,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:13:35,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:13:35,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db8139c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35, skipping insertion in model container [2020-08-21 13:13:35,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:13:35,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:13:35,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:13:35,488 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:13:35,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:13:35,715 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:13:35,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35 WrapperNode [2020-08-21 13:13:35,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:13:35,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:13:35,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:13:35,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:13:35,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (1/1) ... [2020-08-21 13:13:35,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:13:35,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:13:35,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:13:35,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:13:35,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (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 [2020-08-21 13:13:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:13:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:13:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:13:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 13:13:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 13:13:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 13:13:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:13:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:13:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:13:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:13:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:13:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:13:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:13:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:13:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:13:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:13:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:13:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:13:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:13:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:13:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:13:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:13:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:13:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:13:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:13:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:13:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:13:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:13:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-21 13:13:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:13:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:13:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 13:13:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:13:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-21 13:13:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:13:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:13:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:13:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:13:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:13:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-21 13:13:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 13:13:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:13:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:13:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:13:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:13:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:13:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:13:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 13:13:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 13:13:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 13:13:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:13:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:13:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:13:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:13:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:13:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:13:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:13:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:13:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:13:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:13:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:13:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:13:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:13:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:13:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:13:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:13:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:13:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:13:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:13:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:13:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:13:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:13:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:13:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:13:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:13:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:13:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:13:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:13:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:13:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:13:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:13:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:13:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:13:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:13:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-21 13:13:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 13:13:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:13:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:13:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:13:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 13:13:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-21 13:13:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-21 13:13:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:13:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:13:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:13:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:13:37,012 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:13:37,013 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:13:37,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:13:37 BoogieIcfgContainer [2020-08-21 13:13:37,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:13:37,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:13:37,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:13:37,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:13:37,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:13:35" (1/3) ... [2020-08-21 13:13:37,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea38a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:13:37, skipping insertion in model container [2020-08-21 13:13:37,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:13:35" (2/3) ... [2020-08-21 13:13:37,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea38a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:13:37, skipping insertion in model container [2020-08-21 13:13:37,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:13:37" (3/3) ... [2020-08-21 13:13:37,028 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-08-21 13:13:37,039 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:13:37,047 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:13:37,061 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:13:37,087 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:13:37,088 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:13:37,088 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:13:37,088 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:13:37,088 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:13:37,089 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:13:37,089 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:13:37,089 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:13:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-08-21 13:13:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 13:13:37,123 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:13:37,125 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:13:37,125 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:13:37,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:13:37,131 INFO L82 PathProgramCache]: Analyzing trace with hash -318385319, now seen corresponding path program 1 times [2020-08-21 13:13:37,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:13:37,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [88404886] [2020-08-21 13:13:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:13:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,768 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:13:37,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:13:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:13:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:13:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:13:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:13:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 13:13:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 13:13:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:13:37,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [88404886] [2020-08-21 13:13:37,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:13:37,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:13:37,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994140585] [2020-08-21 13:13:37,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:13:37,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:13:37,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:13:37,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:13:37,981 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-08-21 13:13:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:13:38,984 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2020-08-21 13:13:38,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 13:13:38,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 13:13:38,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:13:39,002 INFO L225 Difference]: With dead ends: 297 [2020-08-21 13:13:39,002 INFO L226 Difference]: Without dead ends: 164 [2020-08-21 13:13:39,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:13:39,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-21 13:13:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 134. [2020-08-21 13:13:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-08-21 13:13:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2020-08-21 13:13:39,099 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 59 [2020-08-21 13:13:39,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:13:39,099 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2020-08-21 13:13:39,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:13:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2020-08-21 13:13:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 13:13:39,103 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:13:39,104 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:13:39,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:13:39,104 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:13:39,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:13:39,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1634844471, now seen corresponding path program 1 times [2020-08-21 13:13:39,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:13:39,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811041736] [2020-08-21 13:13:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:13:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,438 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:13:39,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:13:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:13:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:13:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:13:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 13:13:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 13:13:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 13:13:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:13:39,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811041736] [2020-08-21 13:13:39,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:13:39,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 13:13:39,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470925263] [2020-08-21 13:13:39,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:13:39,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:13:39,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:13:39,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:13:39,514 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 5 states. [2020-08-21 13:13:39,998 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:40,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:13:40,787 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2020-08-21 13:13:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:13:40,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-21 13:13:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:13:40,792 INFO L225 Difference]: With dead ends: 238 [2020-08-21 13:13:40,792 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 13:13:40,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:13:40,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 13:13:40,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125. [2020-08-21 13:13:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-21 13:13:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2020-08-21 13:13:40,833 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 60 [2020-08-21 13:13:40,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:13:40,834 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2020-08-21 13:13:40,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:13:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2020-08-21 13:13:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-21 13:13:40,836 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:13:40,837 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:13:40,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:13:40,837 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:13:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:13:40,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1075077358, now seen corresponding path program 1 times [2020-08-21 13:13:40,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:13:40,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756061875] [2020-08-21 13:13:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:13:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,164 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:13:41,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:13:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:13:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:13:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:13:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:13:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 13:13:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 13:13:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:13:41,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756061875] [2020-08-21 13:13:41,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:13:41,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:13:41,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790000413] [2020-08-21 13:13:41,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:13:41,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:13:41,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:13:41,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:13:41,295 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand 9 states. [2020-08-21 13:13:41,676 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:13:42,004 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:13:42,246 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:13:42,486 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:13:43,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:13:43,635 INFO L93 Difference]: Finished difference Result 251 states and 305 transitions. [2020-08-21 13:13:43,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:13:43,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-21 13:13:43,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:13:43,640 INFO L225 Difference]: With dead ends: 251 [2020-08-21 13:13:43,640 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 13:13:43,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:13:43,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 13:13:43,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125. [2020-08-21 13:13:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-21 13:13:43,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2020-08-21 13:13:43,677 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 65 [2020-08-21 13:13:43,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:13:43,678 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2020-08-21 13:13:43,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:13:43,678 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2020-08-21 13:13:43,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 13:13:43,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:13:43,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:13:43,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:13:43,681 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:13:43,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:13:43,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1759456211, now seen corresponding path program 1 times [2020-08-21 13:13:43,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:13:43,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846322088] [2020-08-21 13:13:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:13:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:43,998 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:13:43,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:13:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:13:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:13:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:13:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:13:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 13:13:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:13:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 13:13:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 13:13:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:13:44,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846322088] [2020-08-21 13:13:44,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:13:44,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 13:13:44,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260227669] [2020-08-21 13:13:44,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:13:44,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:13:44,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:13:44,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:13:44,183 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 7 states. [2020-08-21 13:13:44,518 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:13:46,029 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:46,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:13:46,370 INFO L93 Difference]: Finished difference Result 346 states and 428 transitions. [2020-08-21 13:13:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 13:13:46,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-08-21 13:13:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:13:46,375 INFO L225 Difference]: With dead ends: 346 [2020-08-21 13:13:46,375 INFO L226 Difference]: Without dead ends: 249 [2020-08-21 13:13:46,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:13:46,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-08-21 13:13:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 203. [2020-08-21 13:13:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-08-21 13:13:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 233 transitions. [2020-08-21 13:13:46,425 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 233 transitions. Word has length 73 [2020-08-21 13:13:46,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:13:46,425 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 233 transitions. [2020-08-21 13:13:46,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:13:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 233 transitions. [2020-08-21 13:13:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-08-21 13:13:46,427 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:13:46,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:13:46,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:13:46,428 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:13:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:13:46,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1988493165, now seen corresponding path program 1 times [2020-08-21 13:13:46,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:13:46,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331820983] [2020-08-21 13:13:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:13:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,743 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:13:46,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:13:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:13:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:13:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:13:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:13:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 13:13:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:13:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 13:13:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-21 13:13:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 13:13:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 13:13:46,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331820983] [2020-08-21 13:13:46,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:13:46,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:13:46,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672741253] [2020-08-21 13:13:46,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:13:46,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:13:46,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:13:46,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:13:46,887 INFO L87 Difference]: Start difference. First operand 203 states and 233 transitions. Second operand 9 states. [2020-08-21 13:13:47,252 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:13:47,942 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:13:48,761 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:13:49,037 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:49,428 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:13:49,692 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:13:49,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:13:49,961 INFO L93 Difference]: Finished difference Result 423 states and 515 transitions. [2020-08-21 13:13:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 13:13:49,962 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-08-21 13:13:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:13:49,964 INFO L225 Difference]: With dead ends: 423 [2020-08-21 13:13:49,965 INFO L226 Difference]: Without dead ends: 248 [2020-08-21 13:13:49,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-08-21 13:13:49,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-08-21 13:13:50,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 202. [2020-08-21 13:13:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-08-21 13:13:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2020-08-21 13:13:50,011 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 87 [2020-08-21 13:13:50,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:13:50,012 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2020-08-21 13:13:50,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:13:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2020-08-21 13:13:50,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-08-21 13:13:50,015 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:13:50,015 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:13:50,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:13:50,015 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:13:50,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:13:50,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1941251357, now seen corresponding path program 1 times [2020-08-21 13:13:50,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:13:50,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656541412] [2020-08-21 13:13:50,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:13:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,285 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:13:50,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:13:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:13:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:13:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:13:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:13:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 13:13:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:13:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 13:13:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-08-21 13:13:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-21 13:13:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:13:50,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656541412] [2020-08-21 13:13:50,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:13:50,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:13:50,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053475690] [2020-08-21 13:13:50,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:13:50,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:13:50,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:13:50,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:13:50,461 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand 9 states. [2020-08-21 13:13:51,499 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:13:51,756 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 13:13:52,013 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:52,253 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:53,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:13:53,008 INFO L93 Difference]: Finished difference Result 423 states and 519 transitions. [2020-08-21 13:13:53,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 13:13:53,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-08-21 13:13:53,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:13:53,030 INFO L225 Difference]: With dead ends: 423 [2020-08-21 13:13:53,031 INFO L226 Difference]: Without dead ends: 249 [2020-08-21 13:13:53,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:13:53,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-08-21 13:13:53,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 207. [2020-08-21 13:13:53,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-08-21 13:13:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 235 transitions. [2020-08-21 13:13:53,081 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 235 transitions. Word has length 103 [2020-08-21 13:13:53,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:13:53,082 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 235 transitions. [2020-08-21 13:13:53,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:13:53,082 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 235 transitions. [2020-08-21 13:13:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-08-21 13:13:53,084 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:13:53,085 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:13:53,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:13:53,085 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:13:53,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:13:53,086 INFO L82 PathProgramCache]: Analyzing trace with hash -108136485, now seen corresponding path program 1 times [2020-08-21 13:13:53,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:13:53,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202747135] [2020-08-21 13:13:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:13:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,360 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:13:53,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:13:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:13:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:13:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:13:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:13:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 13:13:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:13:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 13:13:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-08-21 13:13:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-21 13:13:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:13:53,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202747135] [2020-08-21 13:13:53,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:13:53,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 13:13:53,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748246124] [2020-08-21 13:13:53,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 13:13:53,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:13:53,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 13:13:53,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-21 13:13:53,544 INFO L87 Difference]: Start difference. First operand 207 states and 235 transitions. Second operand 11 states. [2020-08-21 13:13:54,059 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:54,291 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:54,538 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:55,256 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:55,511 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:55,742 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:13:56,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:13:56,429 INFO L93 Difference]: Finished difference Result 433 states and 530 transitions. [2020-08-21 13:13:56,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 13:13:56,429 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-08-21 13:13:56,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:13:56,436 INFO L225 Difference]: With dead ends: 433 [2020-08-21 13:13:56,438 INFO L226 Difference]: Without dead ends: 254 [2020-08-21 13:13:56,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-21 13:13:56,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-08-21 13:13:56,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 211. [2020-08-21 13:13:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-08-21 13:13:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 239 transitions. [2020-08-21 13:13:56,497 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 239 transitions. Word has length 103 [2020-08-21 13:13:56,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:13:56,497 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 239 transitions. [2020-08-21 13:13:56,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 13:13:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 239 transitions. [2020-08-21 13:13:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-08-21 13:13:56,501 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:13:56,501 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:13:56,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 13:13:56,502 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:13:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:13:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash 861444538, now seen corresponding path program 1 times [2020-08-21 13:13:56,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:13:56,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534189694] [2020-08-21 13:13:56,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:13:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,873 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:13:56,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:13:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:13:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:13:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:13:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:13:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:13:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 13:13:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:13:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 13:13:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:13:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:56,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:13:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:57,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-08-21 13:13:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:57,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-21 13:13:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:13:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:13:57,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534189694] [2020-08-21 13:13:57,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:13:57,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 13:13:57,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873727732] [2020-08-21 13:13:57,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:13:57,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:13:57,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:13:57,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:13:57,035 INFO L87 Difference]: Start difference. First operand 211 states and 239 transitions. Second operand 7 states. [2020-08-21 13:13:57,549 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:13:58,304 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:14:00,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:14:00,028 INFO L93 Difference]: Finished difference Result 605 states and 753 transitions. [2020-08-21 13:14:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 13:14:00,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-08-21 13:14:00,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:14:00,035 INFO L225 Difference]: With dead ends: 605 [2020-08-21 13:14:00,036 INFO L226 Difference]: Without dead ends: 422 [2020-08-21 13:14:00,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-21 13:14:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-08-21 13:14:00,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 380. [2020-08-21 13:14:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-08-21 13:14:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 442 transitions. [2020-08-21 13:14:00,115 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 442 transitions. Word has length 103 [2020-08-21 13:14:00,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:14:00,116 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 442 transitions. [2020-08-21 13:14:00,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:14:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 442 transitions. [2020-08-21 13:14:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-08-21 13:14:00,118 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:14:00,118 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:14:00,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 13:14:00,118 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:14:00,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:14:00,119 INFO L82 PathProgramCache]: Analyzing trace with hash 2005328992, now seen corresponding path program 1 times [2020-08-21 13:14:00,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:14:00,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395635718] [2020-08-21 13:14:00,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:14:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,450 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:14:00,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:14:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:14:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:14:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:14:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:14:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:14:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:14:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 13:14:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:14:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 13:14:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:14:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:14:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 13:14:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:14:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:14:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:14:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 13:14:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-21 13:14:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:14:00,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395635718] [2020-08-21 13:14:00,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:14:00,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 13:14:00,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302663793] [2020-08-21 13:14:00,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 13:14:00,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:14:00,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 13:14:00,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-21 13:14:00,624 INFO L87 Difference]: Start difference. First operand 380 states and 442 transitions. Second operand 12 states. [2020-08-21 13:14:01,067 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:14:01,702 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:14:02,610 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:14:02,902 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:14:03,158 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 13:14:03,409 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:14:03,664 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:14:04,588 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:14:04,842 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:14:05,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:14:05,647 INFO L93 Difference]: Finished difference Result 1052 states and 1296 transitions. [2020-08-21 13:14:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-21 13:14:05,648 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 107 [2020-08-21 13:14:05,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:14:05,656 INFO L225 Difference]: With dead ends: 1052 [2020-08-21 13:14:05,656 INFO L226 Difference]: Without dead ends: 769 [2020-08-21 13:14:05,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-08-21 13:14:05,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-08-21 13:14:05,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 650. [2020-08-21 13:14:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-08-21 13:14:05,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 748 transitions. [2020-08-21 13:14:05,853 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 748 transitions. Word has length 107 [2020-08-21 13:14:05,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:14:05,854 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 748 transitions. [2020-08-21 13:14:05,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 13:14:05,854 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 748 transitions. [2020-08-21 13:14:05,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-21 13:14:05,857 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:14:05,857 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:14:05,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 13:14:05,858 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:14:05,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:14:05,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2092455891, now seen corresponding path program 1 times [2020-08-21 13:14:05,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:14:05,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644129699] [2020-08-21 13:14:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:14:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,251 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:14:06,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:14:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:14:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:14:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:14:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:14:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:14:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:14:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 13:14:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:14:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:14:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 13:14:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:14:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:14:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 13:14:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:14:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:14:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:14:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 13:14:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:14:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-08-21 13:14:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:14:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-21 13:14:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-21 13:14:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:14:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-21 13:14:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-21 13:14:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:14:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 13:14:06,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644129699] [2020-08-21 13:14:06,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:14:06,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 13:14:06,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260711874] [2020-08-21 13:14:06,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 13:14:06,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:14:06,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 13:14:06,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-21 13:14:06,553 INFO L87 Difference]: Start difference. First operand 650 states and 748 transitions. Second operand 16 states. [2020-08-21 13:14:07,092 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 13:14:07,412 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 13:14:07,665 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 13:14:07,903 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 13:14:08,519 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:14:08,771 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:14:09,489 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 13:14:10,102 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:14:10,568 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 13:14:10,954 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:14:11,204 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:14:11,498 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 13:14:11,964 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 13:14:12,415 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 13:14:12,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:14:12,640 INFO L93 Difference]: Finished difference Result 1024 states and 1200 transitions. [2020-08-21 13:14:12,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-08-21 13:14:12,640 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2020-08-21 13:14:12,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:14:12,641 INFO L225 Difference]: With dead ends: 1024 [2020-08-21 13:14:12,641 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:14:12,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=424, Invalid=1468, Unknown=0, NotChecked=0, Total=1892 [2020-08-21 13:14:12,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:14:12,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:14:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:14:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:14:12,646 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-08-21 13:14:12,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:14:12,646 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:14:12,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 13:14:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:14:12,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:14:12,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 13:14:12,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:14:13,319 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 217 [2020-08-21 13:14:13,794 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-08-21 13:14:14,436 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 233 [2020-08-21 13:14:15,033 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 231 [2020-08-21 13:14:16,300 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 233 [2020-08-21 13:14:16,795 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 13:14:17,064 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-08-21 13:14:17,671 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-08-21 13:14:18,066 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 31 [2020-08-21 13:14:18,229 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 13:14:18,392 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:14:18,820 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-21 13:14:18,948 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-21 13:14:19,128 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 13:14:19,310 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 13:14:19,449 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 13:14:20,173 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2020-08-21 13:14:20,972 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 28 [2020-08-21 13:14:21,180 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:14:21,804 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 32 [2020-08-21 13:14:22,007 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 13:14:22,875 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 36 [2020-08-21 13:14:23,259 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-21 13:14:23,441 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-08-21 13:14:24,212 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-08-21 13:14:24,374 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 13:14:24,586 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-08-21 13:14:24,741 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 13:14:25,500 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-08-21 13:14:26,278 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-08-21 13:14:26,509 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-08-21 13:14:26,682 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 13:14:26,845 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 13:14:27,098 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 14 [2020-08-21 13:14:27,862 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2020-08-21 13:14:28,038 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 13:14:28,219 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 13:14:28,359 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 13:14:28,524 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-08-21 13:14:28,701 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-08-21 13:14:28,881 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 13:14:29,046 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 13:14:29,571 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-21 13:14:29,749 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2020-08-21 13:14:29,924 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2020-08-21 13:14:30,140 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-08-21 13:14:30,742 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-08-21 13:14:30,747 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-08-21 13:14:30,747 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 339) no Hoare annotation was computed. [2020-08-21 13:14:30,748 INFO L268 CegarLoopResult]: For program point L340(lines 317 341) no Hoare annotation was computed. [2020-08-21 13:14:30,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 293 348) no Hoare annotation was computed. [2020-08-21 13:14:30,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 293 348) no Hoare annotation was computed. [2020-08-21 13:14:30,748 INFO L268 CegarLoopResult]: For program point L324(lines 324 328) no Hoare annotation was computed. [2020-08-21 13:14:30,748 INFO L268 CegarLoopResult]: For program point L324-1(lines 324 328) no Hoare annotation was computed. [2020-08-21 13:14:30,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 293 348) no Hoare annotation was computed. [2020-08-21 13:14:30,749 INFO L268 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-08-21 13:14:30,749 INFO L268 CegarLoopResult]: For program point L381-1(lines 381 385) no Hoare annotation was computed. [2020-08-21 13:14:30,749 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-08-21 13:14:30,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 349 408) no Hoare annotation was computed. [2020-08-21 13:14:30,749 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 400) no Hoare annotation was computed. [2020-08-21 13:14:30,749 INFO L268 CegarLoopResult]: For program point L401(lines 374 402) no Hoare annotation was computed. [2020-08-21 13:14:30,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 349 408) no Hoare annotation was computed. [2020-08-21 13:14:30,749 INFO L268 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-08-21 13:14:30,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 349 408) no Hoare annotation was computed. [2020-08-21 13:14:30,750 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-08-21 13:14:30,750 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 224 230) the Hoare annotation is: true [2020-08-21 13:14:30,750 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 224 230) no Hoare annotation was computed. [2020-08-21 13:14:30,750 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 231 239) no Hoare annotation was computed. [2020-08-21 13:14:30,750 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 231 239) the Hoare annotation is: true [2020-08-21 13:14:30,750 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 231 239) no Hoare annotation was computed. [2020-08-21 13:14:30,751 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 13:14:30,751 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-08-21 13:14:30,751 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-08-21 13:14:30,751 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~switchedOnBeforeTS~0)| 0) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse3))) [2020-08-21 13:14:30,751 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-08-21 13:14:30,751 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-08-21 13:14:30,752 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-08-21 13:14:30,752 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-08-21 13:14:30,752 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 .cse1 .cse2))) [2020-08-21 13:14:30,752 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-08-21 13:14:30,752 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-21 13:14:30,752 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-08-21 13:14:30,752 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-08-21 13:14:30,753 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-08-21 13:14:30,753 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-08-21 13:14:30,753 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-08-21 13:14:30,753 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-08-21 13:14:30,753 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-08-21 13:14:30,753 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:14:30,754 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:14:30,754 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2020-08-21 13:14:30,754 INFO L264 CegarLoopResult]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:14:30,754 INFO L268 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2020-08-21 13:14:30,754 INFO L268 CegarLoopResult]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2020-08-21 13:14:30,754 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 13:14:30,754 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:14:30,755 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:14:30,755 INFO L264 CegarLoopResult]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:14:30,755 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2020-08-21 13:14:30,755 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2020-08-21 13:14:30,755 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2020-08-21 13:14:30,755 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2020-08-21 13:14:30,755 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 13:14:30,756 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-08-21 13:14:30,756 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-08-21 13:14:30,756 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 13:14:30,756 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-08-21 13:14:30,756 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-08-21 13:14:30,756 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 13:14:30,756 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-08-21 13:14:30,756 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-08-21 13:14:30,757 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 13:14:30,757 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-08-21 13:14:30,757 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-08-21 13:14:30,757 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 13:14:30,757 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-08-21 13:14:30,757 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 883 891) no Hoare annotation was computed. [2020-08-21 13:14:30,757 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 883 891) the Hoare annotation is: true [2020-08-21 13:14:30,757 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 883 891) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point L899-2(lines 899 907) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point L911(lines 911 919) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 892 927) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point L911-2(lines 911 919) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 892 927) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point L899(lines 899 907) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 892 927) no Hoare annotation was computed. [2020-08-21 13:14:30,758 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 217 223) no Hoare annotation was computed. [2020-08-21 13:14:30,759 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 217 223) the Hoare annotation is: true [2020-08-21 13:14:30,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 247 292) no Hoare annotation was computed. [2020-08-21 13:14:30,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 247 292) no Hoare annotation was computed. [2020-08-21 13:14:30,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 247 292) no Hoare annotation was computed. [2020-08-21 13:14:30,759 INFO L268 CegarLoopResult]: For program point L574(lines 574 594) no Hoare annotation was computed. [2020-08-21 13:14:30,759 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 594) no Hoare annotation was computed. [2020-08-21 13:14:30,759 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 560 605) no Hoare annotation was computed. [2020-08-21 13:14:30,759 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 560 605) no Hoare annotation was computed. [2020-08-21 13:14:30,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 560 605) no Hoare annotation was computed. [2020-08-21 13:14:30,760 INFO L268 CegarLoopResult]: For program point L580(lines 580 587) no Hoare annotation was computed. [2020-08-21 13:14:30,760 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:14:30,760 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2020-08-21 13:14:30,760 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2020-08-21 13:14:30,760 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:14:30,760 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 872 882) the Hoare annotation is: true [2020-08-21 13:14:30,760 INFO L271 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: true [2020-08-21 13:14:30,761 INFO L268 CegarLoopResult]: For program point L877-1(line 877) no Hoare annotation was computed. [2020-08-21 13:14:30,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 872 882) no Hoare annotation was computed. [2020-08-21 13:14:30,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 872 882) no Hoare annotation was computed. [2020-08-21 13:14:30,761 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 864 871) no Hoare annotation was computed. [2020-08-21 13:14:30,761 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 864 871) no Hoare annotation was computed. [2020-08-21 13:14:30,761 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 864 871) no Hoare annotation was computed. [2020-08-21 13:14:30,761 INFO L268 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-08-21 13:14:30,761 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 690 703) no Hoare annotation was computed. [2020-08-21 13:14:30,761 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 690 703) the Hoare annotation is: true [2020-08-21 13:14:30,762 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 690 703) no Hoare annotation was computed. [2020-08-21 13:14:30,762 INFO L264 CegarLoopResult]: At program point L832(line 832) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 13:14:30,762 INFO L268 CegarLoopResult]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2020-08-21 13:14:30,762 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and (= 0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 13:14:30,762 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 13:14:30,762 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 813 837) no Hoare annotation was computed. [2020-08-21 13:14:30,762 INFO L268 CegarLoopResult]: For program point L821(lines 821 829) no Hoare annotation was computed. [2020-08-21 13:14:30,763 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 813 837) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 13:14:30,763 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 13:14:30,763 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-08-21 13:14:30,763 INFO L268 CegarLoopResult]: For program point L817(lines 817 834) no Hoare annotation was computed. [2020-08-21 13:14:30,763 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2020-08-21 13:14:30,763 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2020-08-21 13:14:30,764 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:14:30,764 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:14:30,764 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-08-21 13:14:30,764 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-08-21 13:14:30,764 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 13:14:30,764 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-08-21 13:14:30,764 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 13:14:30,765 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-08-21 13:14:30,765 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 13:14:30,765 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-08-21 13:14:30,765 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-08-21 13:14:30,765 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-08-21 13:14:30,765 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 13:14:30,765 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 514 559) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 514 559) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 514 559) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point L528(lines 528 548) no Hoare annotation was computed. [2020-08-21 13:14:30,766 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 548) no Hoare annotation was computed. [2020-08-21 13:14:30,767 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 838 845) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 13:14:30,767 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 838 845) no Hoare annotation was computed. [2020-08-21 13:14:30,767 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 838 845) no Hoare annotation was computed. [2020-08-21 13:14:30,767 INFO L268 CegarLoopResult]: For program point L666(lines 666 674) no Hoare annotation was computed. [2020-08-21 13:14:30,767 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 658 680) no Hoare annotation was computed. [2020-08-21 13:14:30,767 INFO L268 CegarLoopResult]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2020-08-21 13:14:30,767 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 658 680) no Hoare annotation was computed. [2020-08-21 13:14:30,767 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 658 680) no Hoare annotation was computed. [2020-08-21 13:14:30,767 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 207 216) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 207 216) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 207 216) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point L481(lines 459 482) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 411 513) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point L440(lines 440 456) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point L461(lines 460 480) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-21 13:14:30,768 INFO L268 CegarLoopResult]: For program point L492-1(line 492) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point L457(lines 457 498) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 411 513) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point L435(lines 435 439) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point L499(lines 499 510) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 411 513) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-08-21 13:14:30,769 INFO L268 CegarLoopResult]: For program point L460-2(lines 460 480) no Hoare annotation was computed. [2020-08-21 13:14:30,770 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:14:30,770 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 13:14:30,770 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:14:30,770 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 847 863) no Hoare annotation was computed. [2020-08-21 13:14:30,770 INFO L264 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 13:14:30,771 INFO L268 CegarLoopResult]: For program point L858-1(lines 847 863) no Hoare annotation was computed. [2020-08-21 13:14:30,771 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 847 863) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 13:14:30,771 INFO L268 CegarLoopResult]: For program point L854(lines 854 860) no Hoare annotation was computed. [2020-08-21 13:14:30,771 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 13:14:30,771 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-08-21 13:14:30,771 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2020-08-21 13:14:30,771 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2020-08-21 13:14:30,771 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2020-08-21 13:14:30,771 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 928 946) no Hoare annotation was computed. [2020-08-21 13:14:30,772 INFO L268 CegarLoopResult]: For program point L937(lines 937 941) no Hoare annotation was computed. [2020-08-21 13:14:30,772 INFO L271 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: true [2020-08-21 13:14:30,772 INFO L268 CegarLoopResult]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2020-08-21 13:14:30,772 INFO L268 CegarLoopResult]: For program point L935-1(line 935) no Hoare annotation was computed. [2020-08-21 13:14:30,772 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 928 946) the Hoare annotation is: true [2020-08-21 13:14:30,772 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 928 946) no Hoare annotation was computed. [2020-08-21 13:14:30,772 INFO L268 CegarLoopResult]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2020-08-21 13:14:30,772 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse3))) [2020-08-21 13:14:30,773 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2020-08-21 13:14:30,773 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:14:30,773 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:14:30,773 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:14:30,773 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~switchedOnBeforeTS~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 1) .cse3 .cse4)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse3 .cse4) .cse0 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse5 .cse6))) [2020-08-21 13:14:30,773 INFO L264 CegarLoopResult]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse3 (and (= ~waterLevel~0 1) .cse6 .cse7)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse6 .cse7) .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2020-08-21 13:14:30,774 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse0 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2)))) [2020-08-21 13:14:30,774 INFO L268 CegarLoopResult]: For program point L785(lines 781 803) no Hoare annotation was computed. [2020-08-21 13:14:30,774 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 804) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 2 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse3 .cse4) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse5 .cse6 .cse3)))) [2020-08-21 13:14:30,774 INFO L268 CegarLoopResult]: For program point L783(lines 781 803) no Hoare annotation was computed. [2020-08-21 13:14:30,774 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 804) no Hoare annotation was computed. [2020-08-21 13:14:30,774 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 804) no Hoare annotation was computed. [2020-08-21 13:14:30,774 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2020-08-21 13:14:30,774 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2020-08-21 13:14:30,775 INFO L271 CegarLoopResult]: At program point L119(lines 94 123) the Hoare annotation is: true [2020-08-21 13:14:30,775 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 13:14:30,775 INFO L268 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-08-21 13:14:30,775 INFO L271 CegarLoopResult]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2020-08-21 13:14:30,775 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-08-21 13:14:30,775 INFO L271 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2020-08-21 13:14:30,775 INFO L271 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: true [2020-08-21 13:14:30,775 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-08-21 13:14:30,776 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 649 657) the Hoare annotation is: true [2020-08-21 13:14:30,776 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2020-08-21 13:14:30,776 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2020-08-21 13:14:30,776 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2020-08-21 13:14:30,776 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2020-08-21 13:14:30,776 INFO L268 CegarLoopResult]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2020-08-21 13:14:30,776 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2020-08-21 13:14:30,776 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2020-08-21 13:14:30,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:14:30,777 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 13:14:30,777 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:14:30,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:14:30,777 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 947 954) no Hoare annotation was computed. [2020-08-21 13:14:30,777 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 947 954) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse3 (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse4))) [2020-08-21 13:14:30,777 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 947 954) no Hoare annotation was computed. [2020-08-21 13:14:30,777 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2020-08-21 13:14:30,777 INFO L268 CegarLoopResult]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2020-08-21 13:14:30,778 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 (= ~switchedOnBeforeTS~0 0)) (or .cse4 .cse0 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse3))) [2020-08-21 13:14:30,778 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 197 204) no Hoare annotation was computed. [2020-08-21 13:14:30,778 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2020-08-21 13:14:30,778 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 197 204) the Hoare annotation is: true [2020-08-21 13:14:30,778 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 197 204) no Hoare annotation was computed. [2020-08-21 13:14:30,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:14:30 BoogieIcfgContainer [2020-08-21 13:14:30,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:14:30,799 INFO L168 Benchmark]: Toolchain (without parser) took 55741.15 ms. Allocated memory was 141.6 MB in the beginning and 765.5 MB in the end (delta: 623.9 MB). Free memory was 103.5 MB in the beginning and 331.3 MB in the end (delta: -227.8 MB). Peak memory consumption was 622.9 MB. Max. memory is 7.1 GB. [2020-08-21 13:14:30,799 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 13:14:30,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.28 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.3 MB in the beginning and 175.0 MB in the end (delta: -71.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:14:30,801 INFO L168 Benchmark]: Boogie Preprocessor took 102.79 ms. Allocated memory is still 205.5 MB. Free memory was 175.0 MB in the beginning and 170.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:14:30,801 INFO L168 Benchmark]: RCFGBuilder took 1199.60 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 170.9 MB in the beginning and 193.7 MB in the end (delta: -22.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:14:30,802 INFO L168 Benchmark]: TraceAbstraction took 53776.83 ms. Allocated memory was 235.4 MB in the beginning and 765.5 MB in the end (delta: 530.1 MB). Free memory was 192.4 MB in the beginning and 331.3 MB in the end (delta: -139.0 MB). Peak memory consumption was 617.9 MB. Max. memory is 7.1 GB. [2020-08-21 13:14:30,805 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.28 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.3 MB in the beginning and 175.0 MB in the end (delta: -71.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.79 ms. Allocated memory is still 205.5 MB. Free memory was 175.0 MB in the beginning and 170.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1199.60 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 170.9 MB in the beginning and 193.7 MB in the end (delta: -22.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53776.83 ms. Allocated memory was 235.4 MB in the beginning and 765.5 MB in the end (delta: 530.1 MB). Free memory was 192.4 MB in the beginning and 331.3 MB in the end (delta: -139.0 MB). Peak memory consumption was 617.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 716]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 == systemActive) && !(switchedOnBeforeTS == 0)) && splverifierCounter == 0)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 29.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1352 SDtfs, 2921 SDslu, 1846 SDs, 0 SdLazy, 6955 SolverSat, 2058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 337 SyntacticMatches, 3 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=650occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 426 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 865 PreInvPairs, 934 NumberOfFragments, 1826 HoareAnnotationTreeSize, 865 FomulaSimplifications, 28587539 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 60 FomulaSimplificationsInter, 248364 FormulaSimplificationTreeSizeReductionInter, 14.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 911 NumberOfCodeBlocks, 911 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 901 ConstructedInterpolants, 0 QuantifiedInterpolants, 323513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 60/66 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...