/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_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:46:10,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 21:46:10,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 21:46:10,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 21:46:10,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 21:46:10,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 21:46:10,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 21:46:10,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 21:46:10,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 21:46:10,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 21:46:10,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 21:46:10,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 21:46:10,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:46:10,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:46:10,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:46:10,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:46:10,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:46:10,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:46:10,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:46:10,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:46:10,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:46:10,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:46:10,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:46:10,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:46:10,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 21:46:10,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 21:46:10,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 21:46:10,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 21:46:10,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 21:46:10,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 21:46:10,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 21:46:10,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 21:46:10,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 21:46:10,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 21:46:10,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 21:46:10,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 21:46:10,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 21:46:10,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 21:46:10,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:46:10,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:46:10,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:46:10,114 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 21:46:10,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:46:10,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:46:10,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:46:10,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:46:10,164 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:46:10,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:46:10,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:46:10,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:46:10,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:46:10,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:46:10,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:46:10,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:46:10,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:46:10,167 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:46:10,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:46:10,167 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:46:10,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:46:10,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:46:10,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:46:10,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:46:10,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:46:10,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:46:10,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:46:10,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:46:10,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:46:10,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:46:10,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:46:10,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:46:10,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:46:10,170 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 21:46:10,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:46:10,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:46:10,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:46:10,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:46:10,489 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:46:10,490 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-08-18 21:46:10,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/916778a28/895f7d90df664abfa3becafa66d98fdb/FLAGbf63d0409 [2020-08-18 21:46:11,144 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:46:11,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-08-18 21:46:11,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/916778a28/895f7d90df664abfa3becafa66d98fdb/FLAGbf63d0409 [2020-08-18 21:46:11,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/916778a28/895f7d90df664abfa3becafa66d98fdb [2020-08-18 21:46:11,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:46:11,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:46:11,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:46:11,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:46:11,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:46:11,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:46:11" (1/1) ... [2020-08-18 21:46:11,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:11, skipping insertion in model container [2020-08-18 21:46:11,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:46:11" (1/1) ... [2020-08-18 21:46:11,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:46:11,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:46:11,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:46:11,876 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:46:12,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:46:12,062 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:46:12,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12 WrapperNode [2020-08-18 21:46:12,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:46:12,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:46:12,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:46:12,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:46:12,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (1/1) ... [2020-08-18 21:46:12,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (1/1) ... [2020-08-18 21:46:12,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (1/1) ... [2020-08-18 21:46:12,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (1/1) ... [2020-08-18 21:46:12,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (1/1) ... [2020-08-18 21:46:12,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (1/1) ... [2020-08-18 21:46:12,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (1/1) ... [2020-08-18 21:46:12,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:46:12,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:46:12,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:46:12,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:46:12,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (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 21:46:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:46:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:46:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 21:46:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 21:46:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 21:46:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 21:46:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 21:46:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 21:46:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 21:46:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 21:46:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 21:46:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 21:46:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 21:46:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 21:46:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 21:46:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 21:46:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 21:46:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 21:46:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 21:46:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 21:46:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 21:46:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 21:46:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 21:46:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 21:46:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 21:46:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 21:46:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 21:46:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 21:46:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 21:46:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 21:46:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 21:46:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 21:46:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 21:46:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 21:46:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 21:46:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:46:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 21:46:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:46:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:46:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 21:46:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 21:46:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 21:46:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 21:46:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 21:46:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 21:46:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 21:46:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 21:46:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 21:46:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 21:46:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 21:46:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 21:46:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 21:46:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 21:46:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 21:46:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 21:46:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 21:46:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 21:46:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 21:46:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 21:46:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 21:46:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 21:46:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 21:46:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 21:46:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 21:46:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 21:46:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 21:46:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 21:46:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 21:46:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 21:46:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 21:46:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 21:46:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 21:46:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 21:46:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 21:46:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 21:46:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 21:46:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 21:46:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 21:46:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 21:46:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 21:46:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 21:46:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 21:46:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 21:46:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 21:46:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:46:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:46:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 21:46:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:46:13,268 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:46:13,269 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 21:46:13,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:46:13 BoogieIcfgContainer [2020-08-18 21:46:13,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:46:13,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:46:13,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:46:13,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:46:13,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:46:11" (1/3) ... [2020-08-18 21:46:13,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9955f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:46:13, skipping insertion in model container [2020-08-18 21:46:13,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:12" (2/3) ... [2020-08-18 21:46:13,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9955f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:46:13, skipping insertion in model container [2020-08-18 21:46:13,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:46:13" (3/3) ... [2020-08-18 21:46:13,289 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-08-18 21:46:13,300 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:46:13,309 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:46:13,323 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:46:13,345 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:46:13,345 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:46:13,345 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:46:13,346 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:46:13,346 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:46:13,346 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:46:13,346 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:46:13,347 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:46:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-08-18 21:46:13,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 21:46:13,380 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:13,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:46:13,382 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:13,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:13,389 INFO L82 PathProgramCache]: Analyzing trace with hash 435193552, now seen corresponding path program 1 times [2020-08-18 21:46:13,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:13,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557338734] [2020-08-18 21:46:13,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:14,104 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:14,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:14,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:46:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:14,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:46:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:14,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557338734] [2020-08-18 21:46:14,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:14,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 21:46:14,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810446970] [2020-08-18 21:46:14,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 21:46:14,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:14,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 21:46:14,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 21:46:14,215 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-08-18 21:46:15,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:15,208 INFO L93 Difference]: Finished difference Result 252 states and 331 transitions. [2020-08-18 21:46:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 21:46:15,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 21:46:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:15,225 INFO L225 Difference]: With dead ends: 252 [2020-08-18 21:46:15,225 INFO L226 Difference]: Without dead ends: 137 [2020-08-18 21:46:15,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 21:46:15,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-18 21:46:15,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-08-18 21:46:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-18 21:46:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-18 21:46:15,314 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2020-08-18 21:46:15,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:15,314 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-18 21:46:15,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 21:46:15,315 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-18 21:46:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 21:46:15,318 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:15,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:46:15,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:46:15,319 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:15,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:15,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1385919944, now seen corresponding path program 1 times [2020-08-18 21:46:15,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:15,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507131188] [2020-08-18 21:46:15,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:15,620 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:15,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:15,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:15,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:15,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 21:46:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 21:46:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:15,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507131188] [2020-08-18 21:46:15,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:15,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 21:46:15,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169184524] [2020-08-18 21:46:15,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 21:46:15,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:15,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 21:46:15,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 21:46:15,680 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states. [2020-08-18 21:46:16,101 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:46:16,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:16,706 INFO L93 Difference]: Finished difference Result 181 states and 218 transitions. [2020-08-18 21:46:16,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:46:16,707 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 21:46:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:16,712 INFO L225 Difference]: With dead ends: 181 [2020-08-18 21:46:16,712 INFO L226 Difference]: Without dead ends: 121 [2020-08-18 21:46:16,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:46:16,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-18 21:46:16,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-08-18 21:46:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-08-18 21:46:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2020-08-18 21:46:16,761 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2020-08-18 21:46:16,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:16,762 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2020-08-18 21:46:16,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 21:46:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2020-08-18 21:46:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 21:46:16,772 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:16,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:46:16,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:46:16,773 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:16,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1134529237, now seen corresponding path program 1 times [2020-08-18 21:46:16,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:16,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475420032] [2020-08-18 21:46:16,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:17,129 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:17,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:17,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:17,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:17,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:17,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:46:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:17,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 21:46:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:17,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475420032] [2020-08-18 21:46:17,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:17,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:46:17,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141095882] [2020-08-18 21:46:17,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:46:17,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:17,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:46:17,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:46:17,225 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 8 states. [2020-08-18 21:46:17,567 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:17,868 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:18,109 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:18,343 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:19,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:19,232 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2020-08-18 21:46:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:46:19,237 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 21:46:19,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:19,240 INFO L225 Difference]: With dead ends: 194 [2020-08-18 21:46:19,240 INFO L226 Difference]: Without dead ends: 121 [2020-08-18 21:46:19,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:46:19,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-18 21:46:19,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-08-18 21:46:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-08-18 21:46:19,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2020-08-18 21:46:19,270 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2020-08-18 21:46:19,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:19,271 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2020-08-18 21:46:19,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:46:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2020-08-18 21:46:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-18 21:46:19,272 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:19,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:46:19,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:46:19,273 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:19,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:19,273 INFO L82 PathProgramCache]: Analyzing trace with hash -109318848, now seen corresponding path program 1 times [2020-08-18 21:46:19,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:19,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952349885] [2020-08-18 21:46:19,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,633 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 21:46:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 21:46:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 21:46:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:19,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952349885] [2020-08-18 21:46:19,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:19,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 21:46:19,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421505789] [2020-08-18 21:46:19,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 21:46:19,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:19,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 21:46:19,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:46:19,737 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 12 states. [2020-08-18 21:46:20,111 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:20,460 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:20,743 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:21,053 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:21,616 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:46:22,402 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:22,765 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:46:23,037 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:46:23,308 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:23,611 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:46:23,962 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:46:24,239 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:46:24,478 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:25,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:25,353 INFO L93 Difference]: Finished difference Result 372 states and 494 transitions. [2020-08-18 21:46:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 21:46:25,354 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-08-18 21:46:25,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:25,362 INFO L225 Difference]: With dead ends: 372 [2020-08-18 21:46:25,362 INFO L226 Difference]: Without dead ends: 299 [2020-08-18 21:46:25,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 21:46:25,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-08-18 21:46:25,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2020-08-18 21:46:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-08-18 21:46:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 268 transitions. [2020-08-18 21:46:25,426 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 268 transitions. Word has length 60 [2020-08-18 21:46:25,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:25,427 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 268 transitions. [2020-08-18 21:46:25,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 21:46:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 268 transitions. [2020-08-18 21:46:25,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-18 21:46:25,429 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:25,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:46:25,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:46:25,429 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:25,430 INFO L82 PathProgramCache]: Analyzing trace with hash 610985760, now seen corresponding path program 1 times [2020-08-18 21:46:25,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:25,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904927320] [2020-08-18 21:46:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,708 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:25,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 21:46:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 21:46:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 21:46:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 21:46:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-18 21:46:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:25,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904927320] [2020-08-18 21:46:25,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:25,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 21:46:25,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771444960] [2020-08-18 21:46:25,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 21:46:25,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:25,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 21:46:25,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:46:25,794 INFO L87 Difference]: Start difference. First operand 230 states and 268 transitions. Second operand 6 states. [2020-08-18 21:46:26,134 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:26,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:26,705 INFO L93 Difference]: Finished difference Result 382 states and 463 transitions. [2020-08-18 21:46:26,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:46:26,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-08-18 21:46:26,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:26,708 INFO L225 Difference]: With dead ends: 382 [2020-08-18 21:46:26,708 INFO L226 Difference]: Without dead ends: 176 [2020-08-18 21:46:26,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:46:26,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-18 21:46:26,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2020-08-18 21:46:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-08-18 21:46:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2020-08-18 21:46:26,749 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 68 [2020-08-18 21:46:26,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:26,749 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2020-08-18 21:46:26,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 21:46:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2020-08-18 21:46:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-08-18 21:46:26,751 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:26,751 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-08-18 21:46:26,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:46:26,751 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:26,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:26,752 INFO L82 PathProgramCache]: Analyzing trace with hash 542477257, now seen corresponding path program 1 times [2020-08-18 21:46:26,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:26,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922271886] [2020-08-18 21:46:26,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,008 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:27,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 21:46:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:46:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 21:46:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:46:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 21:46:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 21:46:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 21:46:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 21:46:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 21:46:27,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922271886] [2020-08-18 21:46:27,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:46:27,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 21:46:27,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257352333] [2020-08-18 21:46:27,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 21:46:27,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:27,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 21:46:27,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:46:27,187 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 10 states. [2020-08-18 21:46:27,711 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 21:46:28,251 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:28,817 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2020-08-18 21:46:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:46:28,818 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-08-18 21:46:28,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:28,819 INFO L225 Difference]: With dead ends: 220 [2020-08-18 21:46:28,819 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:46:28,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:46:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:46:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:46:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:46:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:46:28,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-08-18 21:46:28,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:28,822 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:46:28,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 21:46:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:46:28,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:46:28,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 21:46:28,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:46:29,194 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 28 [2020-08-18 21:46:29,425 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 28 [2020-08-18 21:46:29,612 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 28 [2020-08-18 21:46:29,963 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 25 [2020-08-18 21:46:31,466 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 21:46:31,903 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 21:46:32,296 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 21:46:32,406 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-18 21:46:33,107 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-18 21:46:33,315 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:33,534 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 21:46:34,206 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-18 21:46:34,337 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 21:46:34,771 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 21:46:34,874 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-18 21:46:35,535 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 21:46:35,926 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 21:46:36,428 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 21:46:36,533 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-18 21:46:37,189 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-18 21:46:37,327 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 21:46:37,962 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 21:46:38,428 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 21:46:38,860 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 21:46:38,994 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 21:46:39,422 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 21:46:39,836 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 21:46:40,358 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 21:46:40,465 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-08-18 21:46:40,466 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2020-08-18 21:46:40,466 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 216 271) no Hoare annotation was computed. [2020-08-18 21:46:40,466 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-18 21:46:40,466 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 262) no Hoare annotation was computed. [2020-08-18 21:46:40,467 INFO L268 CegarLoopResult]: For program point L263(lines 240 264) no Hoare annotation was computed. [2020-08-18 21:46:40,467 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 216 271) no Hoare annotation was computed. [2020-08-18 21:46:40,467 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 216 271) no Hoare annotation was computed. [2020-08-18 21:46:40,467 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-08-18 21:46:40,467 INFO L268 CegarLoopResult]: For program point L317-1(line 317) no Hoare annotation was computed. [2020-08-18 21:46:40,467 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 272 331) no Hoare annotation was computed. [2020-08-18 21:46:40,468 INFO L268 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-08-18 21:46:40,468 INFO L268 CegarLoopResult]: For program point L304-1(lines 304 308) no Hoare annotation was computed. [2020-08-18 21:46:40,468 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 272 331) no Hoare annotation was computed. [2020-08-18 21:46:40,468 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-18 21:46:40,468 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 272 331) no Hoare annotation was computed. [2020-08-18 21:46:40,468 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 323) no Hoare annotation was computed. [2020-08-18 21:46:40,468 INFO L268 CegarLoopResult]: For program point L324(lines 297 325) no Hoare annotation was computed. [2020-08-18 21:46:40,469 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 21:46:40,469 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 21:46:40,469 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 21:46:40,469 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 21:46:40,469 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 21:46:40,469 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 868 892) the Hoare annotation is: true [2020-08-18 21:46:40,469 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 868 892) no Hoare annotation was computed. [2020-08-18 21:46:40,470 INFO L264 CegarLoopResult]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:40,470 INFO L268 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-08-18 21:46:40,470 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:40,470 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-08-18 21:46:40,470 INFO L268 CegarLoopResult]: For program point L876(lines 876 889) no Hoare annotation was computed. [2020-08-18 21:46:40,471 INFO L268 CegarLoopResult]: For program point L876-1(lines 868 892) no Hoare annotation was computed. [2020-08-18 21:46:40,471 INFO L271 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: true [2020-08-18 21:46:40,471 INFO L268 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-08-18 21:46:40,471 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 844 866) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,471 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2020-08-18 21:46:40,471 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,472 INFO L264 CegarLoopResult]: At program point L856-1(line 856) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,472 INFO L268 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2020-08-18 21:46:40,472 INFO L268 CegarLoopResult]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2020-08-18 21:46:40,472 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-18 21:46:40,472 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,472 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,473 INFO L264 CegarLoopResult]: At program point L850-1(line 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,473 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2020-08-18 21:46:40,473 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 803 826) no Hoare annotation was computed. [2020-08-18 21:46:40,473 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 803 826) no Hoare annotation was computed. [2020-08-18 21:46:40,473 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 803 826) no Hoare annotation was computed. [2020-08-18 21:46:40,473 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-08-18 21:46:40,473 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-18 21:46:40,474 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-18 21:46:40,475 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-18 21:46:40,475 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-08-18 21:46:40,475 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 632 638) no Hoare annotation was computed. [2020-08-18 21:46:40,475 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 632 638) the Hoare annotation is: true [2020-08-18 21:46:40,475 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 665 672) no Hoare annotation was computed. [2020-08-18 21:46:40,475 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 665 672) no Hoare annotation was computed. [2020-08-18 21:46:40,475 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 665 672) no Hoare annotation was computed. [2020-08-18 21:46:40,475 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 709 717) no Hoare annotation was computed. [2020-08-18 21:46:40,475 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 709 717) the Hoare annotation is: true [2020-08-18 21:46:40,475 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 709 717) no Hoare annotation was computed. [2020-08-18 21:46:40,476 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-08-18 21:46:40,476 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-08-18 21:46:40,476 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-08-18 21:46:40,476 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-08-18 21:46:40,476 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 718 753) no Hoare annotation was computed. [2020-08-18 21:46:40,476 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-18 21:46:40,476 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-08-18 21:46:40,476 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 718 753) no Hoare annotation was computed. [2020-08-18 21:46:40,477 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 718 753) no Hoare annotation was computed. [2020-08-18 21:46:40,477 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 21:46:40,477 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 21:46:40,477 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 170 215) no Hoare annotation was computed. [2020-08-18 21:46:40,477 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 170 215) no Hoare annotation was computed. [2020-08-18 21:46:40,477 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 170 215) no Hoare annotation was computed. [2020-08-18 21:46:40,477 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 483 528) no Hoare annotation was computed. [2020-08-18 21:46:40,477 INFO L268 CegarLoopResult]: For program point L503(lines 503 510) no Hoare annotation was computed. [2020-08-18 21:46:40,478 INFO L268 CegarLoopResult]: For program point L497(lines 497 517) no Hoare annotation was computed. [2020-08-18 21:46:40,478 INFO L268 CegarLoopResult]: For program point L497-1(lines 497 517) no Hoare annotation was computed. [2020-08-18 21:46:40,478 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 483 528) no Hoare annotation was computed. [2020-08-18 21:46:40,478 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 483 528) no Hoare annotation was computed. [2020-08-18 21:46:40,478 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 834 843) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,478 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2020-08-18 21:46:40,478 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2020-08-18 21:46:40,479 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 698 708) the Hoare annotation is: true [2020-08-18 21:46:40,479 INFO L271 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: true [2020-08-18 21:46:40,479 INFO L268 CegarLoopResult]: For program point L703-1(line 703) no Hoare annotation was computed. [2020-08-18 21:46:40,479 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 698 708) no Hoare annotation was computed. [2020-08-18 21:46:40,479 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 698 708) no Hoare annotation was computed. [2020-08-18 21:46:40,479 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 690 697) the Hoare annotation is: true [2020-08-18 21:46:40,479 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 690 697) no Hoare annotation was computed. [2020-08-18 21:46:40,479 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 690 697) no Hoare annotation was computed. [2020-08-18 21:46:40,479 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 640 664) no Hoare annotation was computed. [2020-08-18 21:46:40,480 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 640 664) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 21:46:40,480 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 21:46:40,480 INFO L268 CegarLoopResult]: For program point L659-1(lines 640 664) no Hoare annotation was computed. [2020-08-18 21:46:40,480 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:40,480 INFO L264 CegarLoopResult]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:40,481 INFO L268 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2020-08-18 21:46:40,481 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:40,481 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-08-18 21:46:40,481 INFO L268 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2020-08-18 21:46:40,481 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-08-18 21:46:40,481 INFO L264 CegarLoopResult]: At program point testENTRY(lines 533 598) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,481 INFO L268 CegarLoopResult]: For program point testFINAL(lines 533 598) no Hoare annotation was computed. [2020-08-18 21:46:40,481 INFO L264 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:40,482 INFO L268 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2020-08-18 21:46:40,482 INFO L264 CegarLoopResult]: At program point L581-2(lines 573 586) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 21:46:40,482 INFO L268 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2020-08-18 21:46:40,482 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 21:46:40,482 INFO L268 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2020-08-18 21:46:40,482 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 21:46:40,483 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-08-18 21:46:40,483 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-08-18 21:46:40,483 INFO L264 CegarLoopResult]: At program point L588(lines 543 590) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 21:46:40,483 INFO L264 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 21:46:40,483 INFO L268 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-08-18 21:46:40,483 INFO L268 CegarLoopResult]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2020-08-18 21:46:40,483 INFO L268 CegarLoopResult]: For program point testEXIT(lines 533 598) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 437 482) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 437 482) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 437 482) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point L457(lines 457 464) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point L451(lines 451 471) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-08-18 21:46:40,484 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-08-18 21:46:40,485 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-08-18 21:46:40,485 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-08-18 21:46:40,485 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 21:46:40,485 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 21:46:40,485 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 21:46:40,485 INFO L268 CegarLoopResult]: For program point L384(lines 383 403) no Hoare annotation was computed. [2020-08-18 21:46:40,485 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-18 21:46:40,485 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 334 436) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point L380(lines 380 421) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point L422(lines 422 433) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 334 436) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-08-18 21:46:40,486 INFO L268 CegarLoopResult]: For program point L383-2(lines 383 403) no Hoare annotation was computed. [2020-08-18 21:46:40,487 INFO L268 CegarLoopResult]: For program point L404(lines 382 405) no Hoare annotation was computed. [2020-08-18 21:46:40,487 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 334 436) no Hoare annotation was computed. [2020-08-18 21:46:40,487 INFO L268 CegarLoopResult]: For program point L363(lines 363 379) no Hoare annotation was computed. [2020-08-18 21:46:40,487 INFO L268 CegarLoopResult]: For program point L423(lines 423 430) no Hoare annotation was computed. [2020-08-18 21:46:40,487 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:46:40,487 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 21:46:40,488 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:46:40,488 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-08-18 21:46:40,488 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 673 689) no Hoare annotation was computed. [2020-08-18 21:46:40,488 INFO L268 CegarLoopResult]: For program point L684-1(lines 673 689) no Hoare annotation was computed. [2020-08-18 21:46:40,488 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 673 689) no Hoare annotation was computed. [2020-08-18 21:46:40,488 INFO L268 CegarLoopResult]: For program point L680(lines 680 686) no Hoare annotation was computed. [2020-08-18 21:46:40,488 INFO L268 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-08-18 21:46:40,489 INFO L268 CegarLoopResult]: For program point L678-1(line 678) no Hoare annotation was computed. [2020-08-18 21:46:40,489 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2020-08-18 21:46:40,489 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-08-18 21:46:40,489 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-08-18 21:46:40,489 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-08-18 21:46:40,489 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 21:46:40,489 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-08-18 21:46:40,489 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:46:40,490 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 21:46:40,490 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:46:40,490 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-08-18 21:46:40,490 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-08-18 21:46:40,490 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-08-18 21:46:40,490 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 608 631) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 21:46:40,490 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 21:46:40,491 INFO L264 CegarLoopResult]: At program point L619(lines 619 625) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 21:46:40,491 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 608 631) no Hoare annotation was computed. [2020-08-18 21:46:40,491 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 608 631) no Hoare annotation was computed. [2020-08-18 21:46:40,491 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 21:46:40,491 INFO L268 CegarLoopResult]: For program point L612(lines 611 630) no Hoare annotation was computed. [2020-08-18 21:46:40,491 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2020-08-18 21:46:40,491 INFO L271 CegarLoopResult]: At program point L798(lines 773 802) the Hoare annotation is: true [2020-08-18 21:46:40,492 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2020-08-18 21:46:40,492 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-08-18 21:46:40,492 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-08-18 21:46:40,492 INFO L271 CegarLoopResult]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2020-08-18 21:46:40,492 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-08-18 21:46:40,492 INFO L271 CegarLoopResult]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2020-08-18 21:46:40,492 INFO L271 CegarLoopResult]: At program point L779(line 779) the Hoare annotation is: true [2020-08-18 21:46:40,492 INFO L268 CegarLoopResult]: For program point L779-1(line 779) no Hoare annotation was computed. [2020-08-18 21:46:40,493 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-08-18 21:46:40,493 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-08-18 21:46:40,493 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-08-18 21:46:40,493 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2020-08-18 21:46:40,493 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2020-08-18 21:46:40,493 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:46:40,493 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 21:46:40,493 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:46:40,493 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:46:40,494 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 754 761) no Hoare annotation was computed. [2020-08-18 21:46:40,494 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 754 761) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-08-18 21:46:40,494 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 754 761) no Hoare annotation was computed. [2020-08-18 21:46:40,494 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-08-18 21:46:40,494 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-08-18 21:46:40,494 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 21:46:40,495 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 763 770) no Hoare annotation was computed. [2020-08-18 21:46:40,495 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2020-08-18 21:46:40,495 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 763 770) the Hoare annotation is: true [2020-08-18 21:46:40,495 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 763 770) no Hoare annotation was computed. [2020-08-18 21:46:40,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:46:40 BoogieIcfgContainer [2020-08-18 21:46:40,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:46:40,515 INFO L168 Benchmark]: Toolchain (without parser) took 29112.06 ms. Allocated memory was 146.3 MB in the beginning and 618.7 MB in the end (delta: 472.4 MB). Free memory was 100.2 MB in the beginning and 115.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 474.6 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:40,516 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 21:46:40,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.02 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 172.9 MB in the end (delta: -72.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:40,518 INFO L168 Benchmark]: Boogie Preprocessor took 102.92 ms. Allocated memory is still 202.9 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:40,519 INFO L168 Benchmark]: RCFGBuilder took 1112.04 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 168.8 MB in the beginning and 202.9 MB in the end (delta: -34.1 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:40,520 INFO L168 Benchmark]: TraceAbstraction took 27232.59 ms. Allocated memory was 234.9 MB in the beginning and 618.7 MB in the end (delta: 383.8 MB). Free memory was 201.5 MB in the beginning and 115.6 MB in the end (delta: 85.8 MB). Peak memory consumption was 487.2 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:40,524 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.02 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 172.9 MB in the end (delta: -72.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.92 ms. Allocated memory is still 202.9 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1112.04 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 168.8 MB in the beginning and 202.9 MB in the end (delta: -34.1 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27232.59 ms. Allocated memory was 234.9 MB in the beginning and 618.7 MB in the end (delta: 383.8 MB). Free memory was 201.5 MB in the beginning and 115.6 MB in the end (delta: 85.8 MB). Peak memory consumption was 487.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: 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: 542]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 517 SDtfs, 1052 SDslu, 388 SDs, 0 SdLazy, 2279 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 51276 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 9420 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 114032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 25/32 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...