/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=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:37:12,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 22:37:12,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 22:37:12,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 22:37:12,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 22:37:12,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 22:37:12,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 22:37:12,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 22:37:12,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 22:37:12,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 22:37:12,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 22:37:12,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 22:37:12,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 22:37:12,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 22:37:12,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 22:37:12,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 22:37:12,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 22:37:12,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 22:37:12,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 22:37:12,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 22:37:12,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 22:37:12,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 22:37:12,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 22:37:12,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 22:37:12,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 22:37:12,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 22:37:12,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 22:37:12,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 22:37:12,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 22:37:12,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 22:37:12,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 22:37:12,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 22:37:12,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 22:37:12,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 22:37:12,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 22:37:12,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 22:37:12,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 22:37:12,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 22:37:12,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 22:37:12,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 22:37:12,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 22:37:12,200 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 22:37:12,222 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:37:12,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:37:12,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:37:12,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:37:12,224 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:37:12,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:37:12,225 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 22:37:12,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:37:12,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 22:37:12,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:37:12,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:37:12,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:37:12,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:37:12,226 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 22:37:12,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:37:12,226 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:37:12,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:37:12,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:37:12,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:37:12,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:37:12,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:37:12,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:37:12,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:37:12,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:37:12,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:37:12,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:37:12,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:37:12,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:37:12,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:37:12,229 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=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 22:37:12,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:37:12,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:37:12,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:37:12,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:37:12,538 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:37:12,539 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2020-08-18 22:37:12,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2c124304/9f0a44534f3640348be78b9dbb3f2f43/FLAG4374b2052 [2020-08-18 22:37:13,151 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:37:13,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2020-08-18 22:37:13,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2c124304/9f0a44534f3640348be78b9dbb3f2f43/FLAG4374b2052 [2020-08-18 22:37:13,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2c124304/9f0a44534f3640348be78b9dbb3f2f43 [2020-08-18 22:37:13,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:37:13,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:37:13,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:37:13,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:37:13,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:37:13,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:37:13" (1/1) ... [2020-08-18 22:37:13,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df63da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:13, skipping insertion in model container [2020-08-18 22:37:13,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:37:13" (1/1) ... [2020-08-18 22:37:13,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:37:13,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:37:13,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:37:13,947 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 22:37:14,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:37:14,135 INFO L208 MainTranslator]: Completed translation [2020-08-18 22:37:14,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14 WrapperNode [2020-08-18 22:37:14,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:37:14,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 22:37:14,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 22:37:14,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 22:37:14,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (1/1) ... [2020-08-18 22:37:14,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (1/1) ... [2020-08-18 22:37:14,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (1/1) ... [2020-08-18 22:37:14,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (1/1) ... [2020-08-18 22:37:14,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (1/1) ... [2020-08-18 22:37:14,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (1/1) ... [2020-08-18 22:37:14,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (1/1) ... [2020-08-18 22:37:14,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 22:37:14,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 22:37:14,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 22:37:14,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 22:37:14,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (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 22:37:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 22:37:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 22:37:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 22:37:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 22:37:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 22:37:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 22:37:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 22:37:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 22:37:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 22:37:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 22:37:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 22:37:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 22:37:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 22:37:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-18 22:37:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-18 22:37:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-18 22:37:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 22:37:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 22:37:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 22:37:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 22:37:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 22:37:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 22:37:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 22:37:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 22:37:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 22:37:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 22:37:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 22:37:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 22:37:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 22:37:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 22:37:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 22:37:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 22:37:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 22:37:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 22:37:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 22:37:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 22:37:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 22:37:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 22:37:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 22:37:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 22:37:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 22:37:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 22:37:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 22:37:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 22:37:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 22:37:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 22:37:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 22:37:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 22:37:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 22:37:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 22:37:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 22:37:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 22:37:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 22:37:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 22:37:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 22:37:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 22:37:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 22:37:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 22:37:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 22:37:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 22:37:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 22:37:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 22:37:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 22:37:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 22:37:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 22:37:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-18 22:37:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-18 22:37:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-18 22:37:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 22:37:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 22:37:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 22:37:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 22:37:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 22:37:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 22:37:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 22:37:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 22:37:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 22:37:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 22:37:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 22:37:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 22:37:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 22:37:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 22:37:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 22:37:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 22:37:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 22:37:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 22:37:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 22:37:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 22:37:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 22:37:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 22:37:15,375 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 22:37:15,375 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 22:37:15,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:37:15 BoogieIcfgContainer [2020-08-18 22:37:15,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 22:37:15,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 22:37:15,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 22:37:15,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 22:37:15,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:37:13" (1/3) ... [2020-08-18 22:37:15,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce78010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:37:15, skipping insertion in model container [2020-08-18 22:37:15,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:37:14" (2/3) ... [2020-08-18 22:37:15,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce78010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:37:15, skipping insertion in model container [2020-08-18 22:37:15,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:37:15" (3/3) ... [2020-08-18 22:37:15,394 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2020-08-18 22:37:15,405 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 22:37:15,416 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 22:37:15,431 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 22:37:15,462 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 22:37:15,463 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 22:37:15,463 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 22:37:15,463 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 22:37:15,463 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 22:37:15,464 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 22:37:15,464 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 22:37:15,464 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 22:37:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-08-18 22:37:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 22:37:15,497 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:37:15,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:37:15,499 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:37:15,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:37:15,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1595461522, now seen corresponding path program 1 times [2020-08-18 22:37:15,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:37:15,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435146447] [2020-08-18 22:37:15,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:37:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,177 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:37:16,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:37:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:37:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:37:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:37:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:37:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:37:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 22:37:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:37:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 22:37:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 22:37:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 22:37:16,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435146447] [2020-08-18 22:37:16,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:37:16,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 22:37:16,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416122874] [2020-08-18 22:37:16,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 22:37:16,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:37:16,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 22:37:16,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 22:37:16,334 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 4 states. [2020-08-18 22:37:17,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:37:17,202 INFO L93 Difference]: Finished difference Result 249 states and 322 transitions. [2020-08-18 22:37:17,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 22:37:17,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-18 22:37:17,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:37:17,220 INFO L225 Difference]: With dead ends: 249 [2020-08-18 22:37:17,220 INFO L226 Difference]: Without dead ends: 138 [2020-08-18 22:37:17,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 22:37:17,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-18 22:37:17,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 112. [2020-08-18 22:37:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-08-18 22:37:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-08-18 22:37:17,308 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 59 [2020-08-18 22:37:17,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:37:17,309 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-08-18 22:37:17,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 22:37:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-08-18 22:37:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-18 22:37:17,314 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:37:17,314 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:37:17,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 22:37:17,315 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:37:17,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:37:17,315 INFO L82 PathProgramCache]: Analyzing trace with hash 656370565, now seen corresponding path program 1 times [2020-08-18 22:37:17,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:37:17,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366619312] [2020-08-18 22:37:17,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:37:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,631 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:37:17,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:37:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:37:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:37:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:37:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:37:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:37:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 22:37:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:37:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 22:37:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 22:37:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 22:37:17,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366619312] [2020-08-18 22:37:17,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:37:17,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 22:37:17,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657075119] [2020-08-18 22:37:17,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:37:17,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:37:17,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:37:17,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:37:17,743 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 5 states. [2020-08-18 22:37:18,249 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 22:37:18,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:37:18,944 INFO L93 Difference]: Finished difference Result 194 states and 234 transitions. [2020-08-18 22:37:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 22:37:18,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-18 22:37:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:37:18,952 INFO L225 Difference]: With dead ends: 194 [2020-08-18 22:37:18,952 INFO L226 Difference]: Without dead ends: 128 [2020-08-18 22:37:18,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 22:37:18,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-18 22:37:19,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 103. [2020-08-18 22:37:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-18 22:37:19,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2020-08-18 22:37:19,009 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 60 [2020-08-18 22:37:19,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:37:19,009 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2020-08-18 22:37:19,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:37:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2020-08-18 22:37:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-18 22:37:19,017 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:37:19,018 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:37:19,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 22:37:19,018 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:37:19,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:37:19,019 INFO L82 PathProgramCache]: Analyzing trace with hash 164051159, now seen corresponding path program 1 times [2020-08-18 22:37:19,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:37:19,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528783625] [2020-08-18 22:37:19,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:37:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,436 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:37:19,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:37:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:37:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:37:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:37:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:37:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:37:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 22:37:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:37:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 22:37:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 22:37:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 22:37:19,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528783625] [2020-08-18 22:37:19,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:37:19,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 22:37:19,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553324517] [2020-08-18 22:37:19,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 22:37:19,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:37:19,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 22:37:19,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 22:37:19,595 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 9 states. [2020-08-18 22:37:19,996 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 22:37:20,299 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:37:20,535 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:37:20,771 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:37:21,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:37:21,693 INFO L93 Difference]: Finished difference Result 203 states and 249 transitions. [2020-08-18 22:37:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 22:37:21,694 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-18 22:37:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:37:21,696 INFO L225 Difference]: With dead ends: 203 [2020-08-18 22:37:21,696 INFO L226 Difference]: Without dead ends: 128 [2020-08-18 22:37:21,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-18 22:37:21,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-18 22:37:21,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 103. [2020-08-18 22:37:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-18 22:37:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2020-08-18 22:37:21,725 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 64 [2020-08-18 22:37:21,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:37:21,726 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2020-08-18 22:37:21,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 22:37:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2020-08-18 22:37:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-18 22:37:21,727 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:37:21,727 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 22:37:21,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 22:37:21,728 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:37:21,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:37:21,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1236378138, now seen corresponding path program 1 times [2020-08-18 22:37:21,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:37:21,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65828478] [2020-08-18 22:37:21,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:37:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,053 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:37:22,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:37:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:37:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:37:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:37:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:37:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:37:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 22:37:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:37:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 22:37:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 22:37:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 22:37:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 22:37:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:37:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 22:37:22,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65828478] [2020-08-18 22:37:22,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:37:22,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 22:37:22,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317082022] [2020-08-18 22:37:22,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 22:37:22,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:37:22,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 22:37:22,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 22:37:22,197 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 9 states. [2020-08-18 22:37:22,593 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 22:37:23,222 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:37:23,808 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:37:24,044 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:37:24,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:37:24,128 INFO L93 Difference]: Finished difference Result 177 states and 220 transitions. [2020-08-18 22:37:24,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 22:37:24,129 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2020-08-18 22:37:24,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:37:24,130 INFO L225 Difference]: With dead ends: 177 [2020-08-18 22:37:24,130 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 22:37:24,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-18 22:37:24,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 22:37:24,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 22:37:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 22:37:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 22:37:24,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-08-18 22:37:24,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:37:24,133 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 22:37:24,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 22:37:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 22:37:24,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 22:37:24,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 22:37:24,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 22:37:24,503 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-08-18 22:37:25,327 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-18 22:37:25,481 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-08-18 22:37:25,660 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-18 22:37:25,843 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-18 22:37:26,007 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-08-18 22:37:26,262 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:37:26,442 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-08-18 22:37:26,624 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-18 22:37:26,810 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-08-18 22:37:26,992 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-08-18 22:37:27,144 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-18 22:37:27,298 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-18 22:37:27,519 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-18 22:37:27,692 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-18 22:37:27,886 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-18 22:37:28,066 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-18 22:37:28,094 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-08-18 22:37:28,095 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-08-18 22:37:28,095 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-18 22:37:28,095 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-08-18 22:37:28,095 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-08-18 22:37:28,095 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-08-18 22:37:28,095 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-08-18 22:37:28,096 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-08-18 22:37:28,096 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-08-18 22:37:28,096 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-08-18 22:37:28,096 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-08-18 22:37:28,096 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-18 22:37:28,096 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-08-18 22:37:28,097 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-08-18 22:37:28,097 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-08-18 22:37:28,097 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-08-18 22:37:28,097 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-08-18 22:37:28,097 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-08-18 22:37:28,098 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 22:37:28,098 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 22:37:28,098 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 22:37:28,098 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 22:37:28,098 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 22:37:28,098 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 448 455) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-18 22:37:28,099 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2020-08-18 22:37:28,099 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2020-08-18 22:37:28,099 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 456 465) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-18 22:37:28,099 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-18 22:37:28,099 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 456 465) no Hoare annotation was computed. [2020-08-18 22:37:28,099 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 456 465) no Hoare annotation was computed. [2020-08-18 22:37:28,100 INFO L264 CegarLoopResult]: At program point L481(line 481) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-18 22:37:28,100 INFO L268 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2020-08-18 22:37:28,100 INFO L268 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-08-18 22:37:28,100 INFO L271 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: true [2020-08-18 22:37:28,100 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-08-18 22:37:28,100 INFO L268 CegarLoopResult]: For program point L474(lines 474 491) no Hoare annotation was computed. [2020-08-18 22:37:28,100 INFO L268 CegarLoopResult]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2020-08-18 22:37:28,100 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-08-18 22:37:28,101 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-08-18 22:37:28,101 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 466 494) the Hoare annotation is: true [2020-08-18 22:37:28,101 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 466 494) no Hoare annotation was computed. [2020-08-18 22:37:28,101 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,101 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,102 INFO L264 CegarLoopResult]: At program point L672-1(line 672) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,102 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 666 688) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,102 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 666 688) no Hoare annotation was computed. [2020-08-18 22:37:28,102 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 666 688) no Hoare annotation was computed. [2020-08-18 22:37:28,102 INFO L264 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,103 INFO L264 CegarLoopResult]: At program point L678-1(line 678) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,103 INFO L268 CegarLoopResult]: For program point L676(lines 676 683) no Hoare annotation was computed. [2020-08-18 22:37:28,103 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 683) no Hoare annotation was computed. [2020-08-18 22:37:28,103 INFO L268 CegarLoopResult]: For program point L674(line 674) no Hoare annotation was computed. [2020-08-18 22:37:28,103 INFO L268 CegarLoopResult]: For program point L641(line 641) no Hoare annotation was computed. [2020-08-18 22:37:28,103 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-08-18 22:37:28,103 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 623 646) no Hoare annotation was computed. [2020-08-18 22:37:28,103 INFO L268 CegarLoopResult]: For program point L639(line 639) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point L638(line 638) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point L637(line 637) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 623 646) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point L636(line 636) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 623 646) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point L632(line 632) no Hoare annotation was computed. [2020-08-18 22:37:28,104 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point L629(line 629) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 722 728) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 722 728) the Hoare annotation is: true [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 755 762) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 755 762) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 755 762) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2020-08-18 22:37:28,105 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2020-08-18 22:37:28,105 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 799 807) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point L827(lines 827 835) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point L827-2(lines 827 835) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point L815(lines 815 823) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 808 843) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point L815-2(lines 815 823) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 808 843) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 808 843) no Hoare annotation was computed. [2020-08-18 22:37:28,106 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-08-18 22:37:28,107 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-08-18 22:37:28,108 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 655 665) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,108 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 655 665) no Hoare annotation was computed. [2020-08-18 22:37:28,108 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 655 665) no Hoare annotation was computed. [2020-08-18 22:37:28,108 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 22:37:28,108 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 788 798) the Hoare annotation is: true [2020-08-18 22:37:28,108 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 788 798) no Hoare annotation was computed. [2020-08-18 22:37:28,108 INFO L271 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: true [2020-08-18 22:37:28,109 INFO L268 CegarLoopResult]: For program point L793-1(line 793) no Hoare annotation was computed. [2020-08-18 22:37:28,109 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 788 798) no Hoare annotation was computed. [2020-08-18 22:37:28,109 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 780 787) the Hoare annotation is: true [2020-08-18 22:37:28,109 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2020-08-18 22:37:28,109 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2020-08-18 22:37:28,109 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,109 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-08-18 22:37:28,110 INFO L268 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2020-08-18 22:37:28,110 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2020-08-18 22:37:28,110 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,110 INFO L264 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,110 INFO L268 CegarLoopResult]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2020-08-18 22:37:28,110 INFO L264 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,110 INFO L264 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,110 INFO L268 CegarLoopResult]: For program point L738(lines 738 746) no Hoare annotation was computed. [2020-08-18 22:37:28,110 INFO L268 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-08-18 22:37:28,111 INFO L268 CegarLoopResult]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2020-08-18 22:37:28,111 INFO L264 CegarLoopResult]: At program point testENTRY(lines 845 908) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,111 INFO L268 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-08-18 22:37:28,111 INFO L268 CegarLoopResult]: For program point testFINAL(lines 845 908) no Hoare annotation was computed. [2020-08-18 22:37:28,111 INFO L264 CegarLoopResult]: At program point L901(lines 854 902) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,111 INFO L268 CegarLoopResult]: For program point L891(lines 891 895) no Hoare annotation was computed. [2020-08-18 22:37:28,111 INFO L264 CegarLoopResult]: At program point L891-2(lines 885 896) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 22:37:28,111 INFO L268 CegarLoopResult]: For program point L856(lines 855 900) no Hoare annotation was computed. [2020-08-18 22:37:28,111 INFO L268 CegarLoopResult]: For program point L885(lines 885 896) no Hoare annotation was computed. [2020-08-18 22:37:28,111 INFO L264 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 22:37:28,112 INFO L268 CegarLoopResult]: For program point L875(lines 875 881) no Hoare annotation was computed. [2020-08-18 22:37:28,112 INFO L268 CegarLoopResult]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2020-08-18 22:37:28,112 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 22:37:28,112 INFO L268 CegarLoopResult]: For program point testEXIT(lines 845 908) no Hoare annotation was computed. [2020-08-18 22:37:28,112 INFO L264 CegarLoopResult]: At program point L898(lines 855 900) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 22:37:28,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-08-18 22:37:28,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-08-18 22:37:28,112 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-08-18 22:37:28,113 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-08-18 22:37:28,113 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-08-18 22:37:28,113 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-08-18 22:37:28,113 INFO L268 CegarLoopResult]: For program point L556(lines 556 564) no Hoare annotation was computed. [2020-08-18 22:37:28,113 INFO L268 CegarLoopResult]: For program point L556-2(lines 556 564) no Hoare annotation was computed. [2020-08-18 22:37:28,113 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 548 570) no Hoare annotation was computed. [2020-08-18 22:37:28,113 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 548 570) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 548 570) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-08-18 22:37:28,114 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-08-18 22:37:28,115 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-08-18 22:37:28,115 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-08-18 22:37:28,115 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-08-18 22:37:28,115 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-08-18 22:37:28,115 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-08-18 22:37:28,115 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-08-18 22:37:28,115 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-08-18 22:37:28,115 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-08-18 22:37:28,116 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-08-18 22:37:28,116 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-08-18 22:37:28,116 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-08-18 22:37:28,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:37:28,116 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~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#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 22:37:28,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:37:28,117 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-08-18 22:37:28,117 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-08-18 22:37:28,117 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 763 779) no Hoare annotation was computed. [2020-08-18 22:37:28,117 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 763 779) no Hoare annotation was computed. [2020-08-18 22:37:28,117 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-08-18 22:37:28,117 INFO L268 CegarLoopResult]: For program point L774-1(lines 763 779) no Hoare annotation was computed. [2020-08-18 22:37:28,117 INFO L268 CegarLoopResult]: For program point L770(lines 770 776) no Hoare annotation was computed. [2020-08-18 22:37:28,117 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 571 579) the Hoare annotation is: true [2020-08-18 22:37:28,118 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 571 579) no Hoare annotation was computed. [2020-08-18 22:37:28,118 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 571 579) no Hoare annotation was computed. [2020-08-18 22:37:28,118 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:37:28,118 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 22:37:28,118 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:37:28,118 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 527 538) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 22:37:28,118 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 527 538) no Hoare annotation was computed. [2020-08-18 22:37:28,119 INFO L268 CegarLoopResult]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2020-08-18 22:37:28,119 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 539 547) the Hoare annotation is: true [2020-08-18 22:37:28,119 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 539 547) no Hoare annotation was computed. [2020-08-18 22:37:28,119 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 539 547) no Hoare annotation was computed. [2020-08-18 22:37:28,119 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,119 INFO L268 CegarLoopResult]: For program point L702(lines 698 720) no Hoare annotation was computed. [2020-08-18 22:37:28,119 INFO L268 CegarLoopResult]: For program point L700(lines 698 720) no Hoare annotation was computed. [2020-08-18 22:37:28,119 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 695 721) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:37:28,120 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 695 721) no Hoare annotation was computed. [2020-08-18 22:37:28,120 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 22:37:28,120 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 695 721) no Hoare annotation was computed. [2020-08-18 22:37:28,120 INFO L264 CegarLoopResult]: At program point L709(lines 709 715) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 22:37:28,120 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 592 621) no Hoare annotation was computed. [2020-08-18 22:37:28,120 INFO L268 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2020-08-18 22:37:28,120 INFO L271 CegarLoopResult]: At program point L606-1(lines 606 610) the Hoare annotation is: true [2020-08-18 22:37:28,120 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 592 621) the Hoare annotation is: true [2020-08-18 22:37:28,120 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-08-18 22:37:28,120 INFO L271 CegarLoopResult]: At program point L602-2(lines 602 616) the Hoare annotation is: true [2020-08-18 22:37:28,120 INFO L271 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: true [2020-08-18 22:37:28,121 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-08-18 22:37:28,121 INFO L271 CegarLoopResult]: At program point L617(lines 592 621) the Hoare annotation is: true [2020-08-18 22:37:28,121 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-18 22:37:28,121 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 503 514) the Hoare annotation is: true [2020-08-18 22:37:28,121 INFO L268 CegarLoopResult]: For program point L507-1(lines 503 514) no Hoare annotation was computed. [2020-08-18 22:37:28,121 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 503 514) no Hoare annotation was computed. [2020-08-18 22:37:28,121 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 647 653) no Hoare annotation was computed. [2020-08-18 22:37:28,121 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 647 653) the Hoare annotation is: true [2020-08-18 22:37:28,121 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:37:28,122 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 22:37:28,122 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 22:37:28,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:37:28,122 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 515 526) no Hoare annotation was computed. [2020-08-18 22:37:28,122 INFO L268 CegarLoopResult]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2020-08-18 22:37:28,122 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 515 526) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 22:37:28,122 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2020-08-18 22:37:28,123 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2020-08-18 22:37:28,123 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2020-08-18 22:37:28,123 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2020-08-18 22:37:28,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:37:28 BoogieIcfgContainer [2020-08-18 22:37:28,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 22:37:28,139 INFO L168 Benchmark]: Toolchain (without parser) took 14662.95 ms. Allocated memory was 138.4 MB in the beginning and 490.7 MB in the end (delta: 352.3 MB). Free memory was 100.6 MB in the beginning and 393.4 MB in the end (delta: -292.9 MB). Peak memory consumption was 368.7 MB. Max. memory is 7.1 GB. [2020-08-18 22:37:28,140 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 22:37:28,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.39 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 168.3 MB in the end (delta: -67.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-08-18 22:37:28,141 INFO L168 Benchmark]: Boogie Preprocessor took 91.80 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 164.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 22:37:28,142 INFO L168 Benchmark]: RCFGBuilder took 1156.07 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 194.7 MB in the end (delta: -30.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-08-18 22:37:28,143 INFO L168 Benchmark]: TraceAbstraction took 12750.29 ms. Allocated memory was 232.8 MB in the beginning and 490.7 MB in the end (delta: 257.9 MB). Free memory was 194.7 MB in the beginning and 393.4 MB in the end (delta: -198.7 MB). Peak memory consumption was 368.5 MB. Max. memory is 7.1 GB. [2020-08-18 22:37:28,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.39 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 168.3 MB in the end (delta: -67.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.80 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 164.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1156.07 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.1 MB in the beginning and 194.7 MB in the end (delta: -30.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12750.29 ms. Allocated memory was 232.8 MB in the beginning and 490.7 MB in the end (delta: 257.9 MB). Free memory was 194.7 MB in the beginning and 393.4 MB in the end (delta: -198.7 MB). Peak memory consumption was 368.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 855]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 363 SDtfs, 557 SDslu, 251 SDs, 0 SdLazy, 1015 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 76 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 181 PreInvPairs, 198 NumberOfFragments, 643 HoareAnnotationTreeSize, 181 FomulaSimplifications, 7922 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4818 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 74202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...