/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:49:20,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 21:49:20,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 21:49:20,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 21:49:20,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 21:49:20,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 21:49:20,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 21:49:20,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 21:49:20,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 21:49:20,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 21:49:20,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 21:49:20,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 21:49:20,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:49:20,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:49:20,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:49:20,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:49:20,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:49:20,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:49:20,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:49:20,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:49:20,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:49:20,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:49:20,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:49:20,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:49:20,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 21:49:20,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 21:49:20,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 21:49:20,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 21:49:20,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 21:49:20,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 21:49:20,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 21:49:20,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 21:49:20,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 21:49:20,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 21:49:20,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 21:49:20,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 21:49:20,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 21:49:20,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 21:49:20,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:49:20,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:49:20,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:49:20,131 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 [2020-08-18 21:49:20,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:49:20,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:49:20,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:49:20,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:49:20,156 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:49:20,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:49:20,157 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:49:20,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:49:20,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:49:20,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:49:20,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:49:20,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:49:20,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:49:20,158 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:49:20,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:49:20,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:49:20,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:49:20,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:49:20,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:49:20,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:49:20,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:49:20,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:49:20,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:49:20,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:49:20,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:49:20,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:49:20,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:49:20,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:49:20,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:49:20,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; [2020-08-18 21:49:20,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:49:20,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:49:20,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:49:20,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:49:20,485 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:49:20,486 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-08-18 21:49:20,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7a50d27d/150853233d134beeb72941e8ee9bd707/FLAG8220ba549 [2020-08-18 21:49:21,069 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:49:21,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-08-18 21:49:21,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7a50d27d/150853233d134beeb72941e8ee9bd707/FLAG8220ba549 [2020-08-18 21:49:21,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7a50d27d/150853233d134beeb72941e8ee9bd707 [2020-08-18 21:49:21,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:49:21,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:49:21,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:49:21,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:49:21,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:49:21,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:49:21" (1/1) ... [2020-08-18 21:49:21,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503bbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:21, skipping insertion in model container [2020-08-18 21:49:21,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:49:21" (1/1) ... [2020-08-18 21:49:21,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:49:21,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:49:21,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:49:21,924 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:49:22,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:49:22,057 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:49:22,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22 WrapperNode [2020-08-18 21:49:22,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:49:22,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:49:22,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:49:22,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:49:22,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (1/1) ... [2020-08-18 21:49:22,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (1/1) ... [2020-08-18 21:49:22,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (1/1) ... [2020-08-18 21:49:22,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (1/1) ... [2020-08-18 21:49:22,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (1/1) ... [2020-08-18 21:49:22,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (1/1) ... [2020-08-18 21:49:22,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (1/1) ... [2020-08-18 21:49:22,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:49:22,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:49:22,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:49:22,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:49:22,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (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 [2020-08-18 21:49:22,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:49:22,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:49:22,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 21:49:22,227 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 21:49:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 21:49:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 21:49:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 21:49:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 21:49:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 21:49:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 21:49:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 21:49:22,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 21:49:22,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 21:49:22,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 21:49:22,229 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 21:49:22,229 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 21:49:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 21:49:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 21:49:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 21:49:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 21:49:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-18 21:49:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 21:49:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 21:49:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 21:49:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 21:49:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 21:49:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 21:49:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 21:49:22,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 21:49:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 21:49:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-18 21:49:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 21:49:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-18 21:49:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-18 21:49:22,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-18 21:49:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 21:49:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 21:49:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 21:49:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 21:49:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:49:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:49:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:49:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 21:49:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 21:49:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 21:49:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 21:49:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 21:49:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 21:49:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 21:49:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 21:49:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 21:49:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 21:49:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 21:49:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 21:49:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 21:49:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 21:49:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 21:49:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 21:49:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 21:49:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 21:49:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 21:49:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 21:49:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 21:49:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 21:49:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 21:49:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 21:49:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 21:49:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 21:49:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 21:49:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 21:49:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 21:49:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-18 21:49:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 21:49:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 21:49:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 21:49:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 21:49:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 21:49:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 21:49:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 21:49:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 21:49:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-18 21:49:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-18 21:49:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 21:49:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 21:49:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-18 21:49:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 21:49:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-18 21:49:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 21:49:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 21:49:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 21:49:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:49:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:49:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 21:49:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:49:23,342 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:49:23,343 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 21:49:23,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:49:23 BoogieIcfgContainer [2020-08-18 21:49:23,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:49:23,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:49:23,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:49:23,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:49:23,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:49:21" (1/3) ... [2020-08-18 21:49:23,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce9a2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:49:23, skipping insertion in model container [2020-08-18 21:49:23,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:49:22" (2/3) ... [2020-08-18 21:49:23,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce9a2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:49:23, skipping insertion in model container [2020-08-18 21:49:23,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:49:23" (3/3) ... [2020-08-18 21:49:23,357 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-08-18 21:49:23,368 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:49:23,377 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:49:23,391 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:49:23,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:49:23,417 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:49:23,417 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:49:23,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:49:23,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:49:23,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:49:23,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:49:23,418 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:49:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-08-18 21:49:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 21:49:23,453 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:23,454 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] [2020-08-18 21:49:23,454 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:23,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1468621358, now seen corresponding path program 1 times [2020-08-18 21:49:23,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:23,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196753342] [2020-08-18 21:49:23,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,106 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:24,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:49:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 21:49:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 21:49:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:24,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:49:24,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196753342] [2020-08-18 21:49:24,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:24,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 21:49:24,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588858851] [2020-08-18 21:49:24,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 21:49:24,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:24,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 21:49:24,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 21:49:24,315 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2020-08-18 21:49:25,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:25,297 INFO L93 Difference]: Finished difference Result 265 states and 344 transitions. [2020-08-18 21:49:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 21:49:25,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-18 21:49:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:25,315 INFO L225 Difference]: With dead ends: 265 [2020-08-18 21:49:25,315 INFO L226 Difference]: Without dead ends: 147 [2020-08-18 21:49:25,320 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 [2020-08-18 21:49:25,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-18 21:49:25,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119. [2020-08-18 21:49:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 21:49:25,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-18 21:49:25,401 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2020-08-18 21:49:25,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:25,401 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-18 21:49:25,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 21:49:25,401 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-18 21:49:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-18 21:49:25,408 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:25,408 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] [2020-08-18 21:49:25,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:49:25,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:25,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:25,409 INFO L82 PathProgramCache]: Analyzing trace with hash 732022184, now seen corresponding path program 1 times [2020-08-18 21:49:25,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:25,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099283070] [2020-08-18 21:49:25,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,759 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:25,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 21:49:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 21:49:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 21:49:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:49:25,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099283070] [2020-08-18 21:49:25,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:25,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 21:49:25,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099382617] [2020-08-18 21:49:25,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 21:49:25,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:25,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 21:49:25,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:49:25,822 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-08-18 21:49:26,372 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:27,064 INFO L93 Difference]: Finished difference Result 206 states and 252 transitions. [2020-08-18 21:49:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:49:27,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-18 21:49:27,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:27,070 INFO L225 Difference]: With dead ends: 206 [2020-08-18 21:49:27,071 INFO L226 Difference]: Without dead ends: 137 [2020-08-18 21:49:27,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:49:27,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-18 21:49:27,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-08-18 21:49:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 21:49:27,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-08-18 21:49:27,108 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2020-08-18 21:49:27,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:27,109 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-08-18 21:49:27,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 21:49:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-08-18 21:49:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-18 21:49:27,112 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:27,112 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] [2020-08-18 21:49:27,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:49:27,112 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:27,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:27,113 INFO L82 PathProgramCache]: Analyzing trace with hash -69452161, now seen corresponding path program 1 times [2020-08-18 21:49:27,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:27,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629975085] [2020-08-18 21:49:27,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,441 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:27,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:49:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 21:49:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-18 21:49:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:49:27,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629975085] [2020-08-18 21:49:27,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:27,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 21:49:27,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095947558] [2020-08-18 21:49:27,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:49:27,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:27,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:49:27,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:49:27,581 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 9 states. [2020-08-18 21:49:27,990 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:28,302 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:28,548 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:28,801 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:29,883 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2020-08-18 21:49:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:49:29,884 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-18 21:49:29,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:29,887 INFO L225 Difference]: With dead ends: 219 [2020-08-18 21:49:29,887 INFO L226 Difference]: Without dead ends: 137 [2020-08-18 21:49:29,888 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 [2020-08-18 21:49:29,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-18 21:49:29,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-08-18 21:49:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 21:49:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2020-08-18 21:49:29,918 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2020-08-18 21:49:29,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:29,918 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2020-08-18 21:49:29,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:49:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2020-08-18 21:49:29,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-18 21:49:29,920 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:29,920 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] [2020-08-18 21:49:29,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:49:29,921 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:29,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:29,921 INFO L82 PathProgramCache]: Analyzing trace with hash -752044170, now seen corresponding path program 1 times [2020-08-18 21:49:29,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:29,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247159595] [2020-08-18 21:49:29,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,247 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:49:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 21:49:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:49:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-18 21:49:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 21:49:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:49:30,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247159595] [2020-08-18 21:49:30,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:30,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:49:30,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141156108] [2020-08-18 21:49:30,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:49:30,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:30,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:49:30,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:49:30,380 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 7 states. [2020-08-18 21:49:30,780 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:32,215 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:32,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:32,562 INFO L93 Difference]: Finished difference Result 314 states and 394 transitions. [2020-08-18 21:49:32,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 21:49:32,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-08-18 21:49:32,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:32,567 INFO L225 Difference]: With dead ends: 314 [2020-08-18 21:49:32,567 INFO L226 Difference]: Without dead ends: 232 [2020-08-18 21:49:32,568 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 [2020-08-18 21:49:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-08-18 21:49:32,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 186. [2020-08-18 21:49:32,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-08-18 21:49:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2020-08-18 21:49:32,607 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 73 [2020-08-18 21:49:32,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:32,608 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2020-08-18 21:49:32,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:49:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2020-08-18 21:49:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-08-18 21:49:32,610 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:32,610 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] [2020-08-18 21:49:32,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:49:32,611 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:32,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:32,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1770960597, now seen corresponding path program 1 times [2020-08-18 21:49:32,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:32,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722811173] [2020-08-18 21:49:32,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,928 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:32,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:49:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 21:49:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:49:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:33,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:49:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:33,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 21:49:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:33,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-18 21:49:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:33,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 21:49:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 21:49:33,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722811173] [2020-08-18 21:49:33,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:33,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 21:49:33,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303439103] [2020-08-18 21:49:33,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:49:33,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:33,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:49:33,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:49:33,040 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand 9 states. [2020-08-18 21:49:33,542 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:34,251 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:34,866 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:35,209 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:35,713 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:35,959 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:36,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:36,321 INFO L93 Difference]: Finished difference Result 389 states and 479 transitions. [2020-08-18 21:49:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 21:49:36,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-08-18 21:49:36,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:36,326 INFO L225 Difference]: With dead ends: 389 [2020-08-18 21:49:36,326 INFO L226 Difference]: Without dead ends: 231 [2020-08-18 21:49:36,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-08-18 21:49:36,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-08-18 21:49:36,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 185. [2020-08-18 21:49:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-08-18 21:49:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2020-08-18 21:49:36,395 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 87 [2020-08-18 21:49:36,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:36,396 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2020-08-18 21:49:36,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:49:36,396 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2020-08-18 21:49:36,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-18 21:49:36,398 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:36,398 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] [2020-08-18 21:49:36,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:49:36,399 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:36,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:36,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1107726217, now seen corresponding path program 1 times [2020-08-18 21:49:36,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:36,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589540173] [2020-08-18 21:49:36,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,646 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:36,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:49:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 21:49:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:49:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:49:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 21:49:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-18 21:49:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-18 21:49:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:49:36,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589540173] [2020-08-18 21:49:36,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:36,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 21:49:36,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266436064] [2020-08-18 21:49:36,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:49:36,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:36,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:49:36,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:49:36,773 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 9 states. [2020-08-18 21:49:37,761 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:38,036 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-18 21:49:38,291 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:38,534 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:39,089 INFO L93 Difference]: Finished difference Result 387 states and 475 transitions. [2020-08-18 21:49:39,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:49:39,089 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-08-18 21:49:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:39,092 INFO L225 Difference]: With dead ends: 387 [2020-08-18 21:49:39,092 INFO L226 Difference]: Without dead ends: 230 [2020-08-18 21:49:39,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-18 21:49:39,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-18 21:49:39,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 190. [2020-08-18 21:49:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-08-18 21:49:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2020-08-18 21:49:39,135 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 88 [2020-08-18 21:49:39,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:39,135 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2020-08-18 21:49:39,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:49:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2020-08-18 21:49:39,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-18 21:49:39,137 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:39,137 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] [2020-08-18 21:49:39,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 21:49:39,138 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:39,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:39,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1801037685, now seen corresponding path program 1 times [2020-08-18 21:49:39,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:39,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014977535] [2020-08-18 21:49:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,401 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:49:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 21:49:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:49:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:49:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 21:49:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-18 21:49:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-18 21:49:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:49:39,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014977535] [2020-08-18 21:49:39,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:39,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-18 21:49:39,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430224860] [2020-08-18 21:49:39,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 21:49:39,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:39,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 21:49:39,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-18 21:49:39,610 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 11 states. [2020-08-18 21:49:40,157 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:40,398 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:40,626 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:41,347 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:41,623 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:41,857 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:42,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:42,550 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2020-08-18 21:49:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 21:49:42,551 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-08-18 21:49:42,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:42,553 INFO L225 Difference]: With dead ends: 399 [2020-08-18 21:49:42,554 INFO L226 Difference]: Without dead ends: 237 [2020-08-18 21:49:42,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-18 21:49:42,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-08-18 21:49:42,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 194. [2020-08-18 21:49:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-08-18 21:49:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 221 transitions. [2020-08-18 21:49:42,590 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 221 transitions. Word has length 88 [2020-08-18 21:49:42,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:42,591 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 221 transitions. [2020-08-18 21:49:42,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 21:49:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2020-08-18 21:49:42,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-18 21:49:42,592 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:42,592 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] [2020-08-18 21:49:42,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 21:49:42,592 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:42,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:42,593 INFO L82 PathProgramCache]: Analyzing trace with hash 310252684, now seen corresponding path program 1 times [2020-08-18 21:49:42,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:42,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178863399] [2020-08-18 21:49:42,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:42,927 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:42,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:42,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:42,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:42,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:49:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 21:49:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:49:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:49:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 21:49:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-18 21:49:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-18 21:49:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:43,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:49:43,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178863399] [2020-08-18 21:49:43,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:43,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:49:43,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759942525] [2020-08-18 21:49:43,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:49:43,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:43,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:49:43,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:49:43,106 INFO L87 Difference]: Start difference. First operand 194 states and 221 transitions. Second operand 7 states. [2020-08-18 21:49:43,559 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:44,091 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:45,467 INFO L93 Difference]: Finished difference Result 571 states and 717 transitions. [2020-08-18 21:49:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 21:49:45,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-08-18 21:49:45,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:45,471 INFO L225 Difference]: With dead ends: 571 [2020-08-18 21:49:45,472 INFO L226 Difference]: Without dead ends: 405 [2020-08-18 21:49:45,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:49:45,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-08-18 21:49:45,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 363. [2020-08-18 21:49:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-08-18 21:49:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 424 transitions. [2020-08-18 21:49:45,567 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 424 transitions. Word has length 88 [2020-08-18 21:49:45,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:45,568 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 424 transitions. [2020-08-18 21:49:45,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:49:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 424 transitions. [2020-08-18 21:49:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-08-18 21:49:45,571 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:45,571 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] [2020-08-18 21:49:45,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 21:49:45,571 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:45,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:45,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1394429222, now seen corresponding path program 1 times [2020-08-18 21:49:45,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:45,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654876064] [2020-08-18 21:49:45,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,891 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:45,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:49:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 21:49:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:45,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:46,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 21:49:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:46,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:49:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:46,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:49:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:46,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 21:49:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 21:49:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-18 21:49:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 21:49:46,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654876064] [2020-08-18 21:49:46,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:49:46,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 21:49:46,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250300710] [2020-08-18 21:49:46,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 21:49:46,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:46,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 21:49:46,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:49:46,057 INFO L87 Difference]: Start difference. First operand 363 states and 424 transitions. Second operand 12 states. [2020-08-18 21:49:46,516 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:47,188 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:48,096 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:48,390 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:48,631 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-18 21:49:48,894 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:49,150 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 21:49:49,921 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:50,175 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:49:50,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:50,709 INFO L93 Difference]: Finished difference Result 1001 states and 1242 transitions. [2020-08-18 21:49:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-18 21:49:50,712 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-08-18 21:49:50,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:50,717 INFO L225 Difference]: With dead ends: 1001 [2020-08-18 21:49:50,718 INFO L226 Difference]: Without dead ends: 735 [2020-08-18 21:49:50,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-08-18 21:49:50,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-08-18 21:49:50,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 616. [2020-08-18 21:49:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-08-18 21:49:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 712 transitions. [2020-08-18 21:49:50,893 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 712 transitions. Word has length 92 [2020-08-18 21:49:50,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:50,894 INFO L479 AbstractCegarLoop]: Abstraction has 616 states and 712 transitions. [2020-08-18 21:49:50,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 21:49:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 712 transitions. [2020-08-18 21:49:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-18 21:49:50,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:49:50,899 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] [2020-08-18 21:49:50,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 21:49:50,899 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:49:50,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:49:50,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1563029790, now seen corresponding path program 1 times [2020-08-18 21:49:50,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:49:50,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207286108] [2020-08-18 21:49:50,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:49:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,208 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:49:51,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:49:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:49:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:49:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:49:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 21:49:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:49:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 21:49:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 21:49:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:49:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:49:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 21:49:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 21:49:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:49:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-18 21:49:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:49:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-18 21:49:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-08-18 21:49:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:49:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-18 21:49:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-08-18 21:49:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:49:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 21:49:51,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207286108] [2020-08-18 21:49:51,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:49:51,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 21:49:51,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849252144] [2020-08-18 21:49:51,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 21:49:51,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:49:51,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 21:49:51,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-18 21:49:51,563 INFO L87 Difference]: Start difference. First operand 616 states and 712 transitions. Second operand 16 states. [2020-08-18 21:49:52,459 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-18 21:49:52,799 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-18 21:49:53,075 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-18 21:49:53,343 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-18 21:49:54,065 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-18 21:49:54,369 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-18 21:49:54,825 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-08-18 21:49:55,437 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:49:55,841 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-18 21:49:56,994 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-18 21:49:57,279 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-18 21:49:57,813 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-18 21:49:58,127 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-18 21:49:58,882 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-18 21:49:59,640 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-18 21:49:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:49:59,949 INFO L93 Difference]: Finished difference Result 973 states and 1146 transitions. [2020-08-18 21:49:59,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-18 21:49:59,950 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2020-08-18 21:49:59,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:49:59,951 INFO L225 Difference]: With dead ends: 973 [2020-08-18 21:49:59,952 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:49:59,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=463, Invalid=1699, Unknown=0, NotChecked=0, Total=2162 [2020-08-18 21:49:59,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:49:59,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:49:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:49:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:49:59,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-08-18 21:49:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:49:59,960 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:49:59,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 21:49:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:49:59,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:49:59,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 21:49:59,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:50:01,070 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 233 [2020-08-18 21:50:02,458 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-08-18 21:50:03,984 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 224 [2020-08-18 21:50:04,237 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-08-18 21:50:04,495 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 237 [2020-08-18 21:50:05,155 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-08-18 21:50:05,389 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-08-18 21:50:05,578 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-18 21:50:05,751 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 21:50:06,240 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 32 [2020-08-18 21:50:06,388 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-08-18 21:50:06,572 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-18 21:50:06,899 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2020-08-18 21:50:07,274 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 24 [2020-08-18 21:50:07,421 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-18 21:50:08,230 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-08-18 21:50:08,407 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-18 21:50:08,982 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 28 [2020-08-18 21:50:09,189 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:50:09,370 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-18 21:50:09,909 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2020-08-18 21:50:10,736 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 34 [2020-08-18 21:50:10,872 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-18 21:50:11,058 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-08-18 21:50:11,847 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 29 [2020-08-18 21:50:12,007 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 15 [2020-08-18 21:50:12,810 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-08-18 21:50:13,673 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 27 [2020-08-18 21:50:13,968 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 14 [2020-08-18 21:50:14,520 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-08-18 21:50:14,693 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-08-18 21:50:14,860 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-18 21:50:15,149 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2020-08-18 21:50:15,324 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-18 21:50:15,545 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 25 [2020-08-18 21:50:15,684 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-08-18 21:50:15,836 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 15 [2020-08-18 21:50:16,025 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-18 21:50:16,192 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-18 21:50:16,505 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-18 21:50:16,754 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-18 21:50:16,929 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-18 21:50:17,098 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-08-18 21:50:17,639 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2020-08-18 21:50:17,643 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-08-18 21:50:17,643 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-08-18 21:50:17,644 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-08-18 21:50:17,644 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-08-18 21:50:17,644 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-08-18 21:50:17,644 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-08-18 21:50:17,644 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-08-18 21:50:17,644 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-08-18 21:50:17,644 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-18 21:50:17,645 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-08-18 21:50:17,645 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-08-18 21:50:17,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-08-18 21:50:17,645 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-08-18 21:50:17,645 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-08-18 21:50:17,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-08-18 21:50:17,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-08-18 21:50:17,646 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-08-18 21:50:17,646 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-08-18 21:50:17,647 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 21:50:17,647 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 21:50:17,647 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 21:50:17,647 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 21:50:17,647 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 21:50:17,647 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-18 21:50:17,647 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2020-08-18 21:50:17,647 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2020-08-18 21:50:17,648 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) 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))) [2020-08-18 21:50:17,648 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2020-08-18 21:50:17,648 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-18 21:50:17,648 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2020-08-18 21:50:17,649 INFO L264 CegarLoopResult]: At program point L827(line 827) 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))) [2020-08-18 21:50:17,649 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-08-18 21:50:17,649 INFO L268 CegarLoopResult]: For program point L824(lines 824 834) no Hoare annotation was computed. [2020-08-18 21:50:17,649 INFO L264 CegarLoopResult]: At program point L822(line 822) 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))) [2020-08-18 21:50:17,649 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-08-18 21:50:17,649 INFO L268 CegarLoopResult]: For program point L820(lines 820 837) no Hoare annotation was computed. [2020-08-18 21:50:17,649 INFO L268 CegarLoopResult]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2020-08-18 21:50:17,649 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-08-18 21:50:17,650 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-08-18 21:50:17,650 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2020-08-18 21:50:17,650 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2020-08-18 21:50:17,650 INFO L264 CegarLoopResult]: At program point L927(line 927) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |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))) [2020-08-18 21:50:17,650 INFO L264 CegarLoopResult]: At program point L927-1(line 927) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |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))) [2020-08-18 21:50:17,650 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 915 937) 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))) [2020-08-18 21:50:17,650 INFO L268 CegarLoopResult]: For program point L925(lines 925 932) no Hoare annotation was computed. [2020-08-18 21:50:17,651 INFO L268 CegarLoopResult]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2020-08-18 21:50:17,651 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-08-18 21:50:17,651 INFO L264 CegarLoopResult]: At program point L922(line 922) 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))) [2020-08-18 21:50:17,651 INFO L264 CegarLoopResult]: At program point L921(line 921) 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))) [2020-08-18 21:50:17,651 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2020-08-18 21:50:17,651 INFO L264 CegarLoopResult]: At program point L921-1(line 921) 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))) [2020-08-18 21:50:17,651 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2020-08-18 21:50:17,652 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 873 896) no Hoare annotation was computed. [2020-08-18 21:50:17,652 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 873 896) no Hoare annotation was computed. [2020-08-18 21:50:17,652 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 873 896) no Hoare annotation was computed. [2020-08-18 21:50:17,652 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-08-18 21:50:17,652 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-08-18 21:50:17,652 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-18 21:50:17,652 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-08-18 21:50:17,652 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-08-18 21:50:17,653 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-08-18 21:50:17,654 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2020-08-18 21:50:17,654 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2020-08-18 21:50:17,654 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2020-08-18 21:50:17,654 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-08-18 21:50:17,654 INFO L268 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2020-08-18 21:50:17,654 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-08-18 21:50:17,654 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-08-18 21:50:17,654 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 729 764) no Hoare annotation was computed. [2020-08-18 21:50:17,655 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-08-18 21:50:17,655 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 756) no Hoare annotation was computed. [2020-08-18 21:50:17,655 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 729 764) no Hoare annotation was computed. [2020-08-18 21:50:17,655 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 729 764) no Hoare annotation was computed. [2020-08-18 21:50:17,655 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 21:50:17,655 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 21:50:17,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-08-18 21:50:17,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-08-18 21:50:17,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-08-18 21:50:17,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-08-18 21:50:17,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-08-18 21:50:17,656 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-08-18 21:50:17,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-08-18 21:50:17,656 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-08-18 21:50:17,656 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-08-18 21:50:17,656 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 904 914) 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))) [2020-08-18 21:50:17,656 INFO L264 CegarLoopResult]: At program point L909(line 909) 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))) [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 709 719) no Hoare annotation was computed. [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 709 719) no Hoare annotation was computed. [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point L714-1(line 714) no Hoare annotation was computed. [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 709 719) no Hoare annotation was computed. [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 701 708) no Hoare annotation was computed. [2020-08-18 21:50:17,657 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 701 708) no Hoare annotation was computed. [2020-08-18 21:50:17,658 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 701 708) no Hoare annotation was computed. [2020-08-18 21:50:17,658 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-08-18 21:50:17,658 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2020-08-18 21:50:17,658 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2020-08-18 21:50:17,658 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2020-08-18 21:50:17,658 INFO L268 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-08-18 21:50:17,658 INFO L268 CegarLoopResult]: For program point L672(lines 672 689) no Hoare annotation was computed. [2020-08-18 21:50:17,658 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2020-08-18 21:50:17,659 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 668 692) 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)))) [2020-08-18 21:50:17,659 INFO L264 CegarLoopResult]: At program point L687(line 687) 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)))) [2020-08-18 21:50:17,659 INFO L268 CegarLoopResult]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2020-08-18 21:50:17,659 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)) (or .cse1 .cse0 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 21:50:17,659 INFO L264 CegarLoopResult]: At program point L678(line 678) 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)))) [2020-08-18 21:50:17,659 INFO L268 CegarLoopResult]: For program point L676(lines 676 684) no Hoare annotation was computed. [2020-08-18 21:50:17,659 INFO L264 CegarLoopResult]: At program point L674(line 674) 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)))) [2020-08-18 21:50:17,660 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2020-08-18 21:50:17,660 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2020-08-18 21:50:17,660 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) 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))) [2020-08-18 21:50:17,660 INFO L268 CegarLoopResult]: For program point L605(lines 605 609) no Hoare annotation was computed. [2020-08-18 21:50:17,660 INFO L264 CegarLoopResult]: At program point L605-2(lines 597 610) 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))) [2020-08-18 21:50:17,660 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-08-18 21:50:17,661 INFO L264 CegarLoopResult]: At program point L599(line 599) 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))) [2020-08-18 21:50:17,661 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-08-18 21:50:17,661 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-08-18 21:50:17,661 INFO L264 CegarLoopResult]: At program point L589(line 589) 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))) [2020-08-18 21:50:17,661 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-08-18 21:50:17,661 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-08-18 21:50:17,661 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) 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))) [2020-08-18 21:50:17,662 INFO L264 CegarLoopResult]: At program point L579(line 579) 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))) [2020-08-18 21:50:17,662 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-08-18 21:50:17,662 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-08-18 21:50:17,662 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-08-18 21:50:17,662 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:50:17,662 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-08-18 21:50:17,662 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 523) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 507 529) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 507 529) no Hoare annotation was computed. [2020-08-18 21:50:17,663 INFO L268 CegarLoopResult]: For program point L515(lines 515 523) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-08-18 21:50:17,664 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-08-18 21:50:17,665 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-08-18 21:50:17,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:50:17,666 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 21:50:17,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:50:17,666 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2020-08-18 21:50:17,666 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2020-08-18 21:50:17,666 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 693 700) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-18 21:50:17,667 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2020-08-18 21:50:17,667 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2020-08-18 21:50:17,667 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2020-08-18 21:50:17,667 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2020-08-18 21:50:17,667 INFO L268 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2020-08-18 21:50:17,667 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2020-08-18 21:50:17,667 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2020-08-18 21:50:17,667 INFO L271 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: true [2020-08-18 21:50:17,668 INFO L268 CegarLoopResult]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2020-08-18 21:50:17,668 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-08-18 21:50:17,668 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:50:17,668 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 21:50:17,668 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:50:17,668 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 486 497) 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))) [2020-08-18 21:50:17,668 INFO L268 CegarLoopResult]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2020-08-18 21:50:17,668 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2020-08-18 21:50:17,668 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 498 506) no Hoare annotation was computed. [2020-08-18 21:50:17,669 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2020-08-18 21:50:17,669 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2020-08-18 21:50:17,669 INFO L268 CegarLoopResult]: For program point L640(lines 636 658) no Hoare annotation was computed. [2020-08-18 21:50:17,669 INFO L268 CegarLoopResult]: For program point L638(lines 636 658) no Hoare annotation was computed. [2020-08-18 21:50:17,669 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse3) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse4 .cse0 .cse2))) [2020-08-18 21:50:17,669 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2020-08-18 21:50:17,669 INFO L264 CegarLoopResult]: At program point L649(line 649) 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))) [2020-08-18 21:50:17,670 INFO L264 CegarLoopResult]: At program point L647(lines 647 653) 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)))) [2020-08-18 21:50:17,670 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2020-08-18 21:50:17,670 INFO L264 CegarLoopResult]: At program point L642(line 642) 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)))) [2020-08-18 21:50:17,670 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-18 21:50:17,670 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2020-08-18 21:50:17,670 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2020-08-18 21:50:17,670 INFO L268 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-08-18 21:50:17,671 INFO L271 CegarLoopResult]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2020-08-18 21:50:17,671 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-18 21:50:17,671 INFO L271 CegarLoopResult]: At program point L853-2(lines 853 867) the Hoare annotation is: true [2020-08-18 21:50:17,671 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-08-18 21:50:17,671 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-08-18 21:50:17,671 INFO L271 CegarLoopResult]: At program point L868(lines 843 872) the Hoare annotation is: true [2020-08-18 21:50:17,671 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-08-18 21:50:17,672 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 462 473) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2020-08-18 21:50:17,672 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2020-08-18 21:50:17,672 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2020-08-18 21:50:17,672 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2020-08-18 21:50:17,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:50:17,672 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 21:50:17,672 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:50:17,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:50:17,672 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2020-08-18 21:50:17,673 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 784 791) 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))) [2020-08-18 21:50:17,673 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2020-08-18 21:50:17,673 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2020-08-18 21:50:17,673 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-08-18 21:50:17,673 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 474 485) 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))) [2020-08-18 21:50:17,673 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-08-18 21:50:17,674 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-18 21:50:17,674 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-08-18 21:50:17,674 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-08-18 21:50:17,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:50:17 BoogieIcfgContainer [2020-08-18 21:50:17,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:50:17,697 INFO L168 Benchmark]: Toolchain (without parser) took 56350.79 ms. Allocated memory was 138.9 MB in the beginning and 710.4 MB in the end (delta: 571.5 MB). Free memory was 99.8 MB in the beginning and 641.2 MB in the end (delta: -541.4 MB). Peak memory consumption was 592.5 MB. Max. memory is 7.1 GB. [2020-08-18 21:50:17,697 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 21:50:17,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.29 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.6 MB in the beginning and 173.0 MB in the end (delta: -73.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-08-18 21:50:17,699 INFO L168 Benchmark]: Boogie Preprocessor took 88.37 ms. Allocated memory is still 203.9 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 21:50:17,699 INFO L168 Benchmark]: RCFGBuilder took 1201.10 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 168.9 MB in the beginning and 199.4 MB in the end (delta: -30.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:50:17,700 INFO L168 Benchmark]: TraceAbstraction took 54345.30 ms. Allocated memory was 235.9 MB in the beginning and 710.4 MB in the end (delta: 474.5 MB). Free memory was 197.9 MB in the beginning and 641.2 MB in the end (delta: -443.3 MB). Peak memory consumption was 593.6 MB. Max. memory is 7.1 GB. [2020-08-18 21:50:17,703 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.29 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.6 MB in the beginning and 173.0 MB in the end (delta: -73.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.37 ms. Allocated memory is still 203.9 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1201.10 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 168.9 MB in the beginning and 199.4 MB in the end (delta: -30.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54345.30 ms. Allocated memory was 235.9 MB in the beginning and 710.4 MB in the end (delta: 474.5 MB). Free memory was 197.9 MB in the beginning and 641.2 MB in the end (delta: -443.3 MB). Peak memory consumption was 593.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 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) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 30.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1234 SDtfs, 2785 SDslu, 1813 SDs, 0 SdLazy, 6546 SolverSat, 1993 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 308 SyntacticMatches, 3 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred 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: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 793 PreInvPairs, 862 NumberOfFragments, 1775 HoareAnnotationTreeSize, 793 FomulaSimplifications, 28116682 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 718904 FormulaSimplificationTreeSizeReductionInter, 13.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 826 ConstructedInterpolants, 0 QuantifiedInterpolants, 293610 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...