/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 03:37:44,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 03:37:44,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 03:37:44,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 03:37:44,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 03:37:44,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 03:37:44,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 03:37:44,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 03:37:44,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 03:37:44,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 03:37:44,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 03:37:44,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 03:37:44,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 03:37:44,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 03:37:44,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 03:37:44,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 03:37:44,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 03:37:44,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 03:37:44,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 03:37:44,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 03:37:44,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 03:37:44,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 03:37:44,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 03:37:44,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 03:37:44,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 03:37:44,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 03:37:44,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 03:37:44,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 03:37:44,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 03:37:44,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 03:37:44,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 03:37:44,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 03:37:44,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 03:37:44,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 03:37:44,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 03:37:44,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 03:37:44,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 03:37:44,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 03:37:44,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 03:37:44,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 03:37:44,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 03:37:44,366 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 [2020-08-22 03:37:44,411 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 03:37:44,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 03:37:44,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 03:37:44,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 03:37:44,414 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 03:37:44,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 03:37:44,416 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 03:37:44,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 03:37:44,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 03:37:44,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 03:37:44,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 03:37:44,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 03:37:44,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 03:37:44,417 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 03:37:44,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 03:37:44,417 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 03:37:44,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 03:37:44,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 03:37:44,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 03:37:44,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 03:37:44,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 03:37:44,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:37:44,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 03:37:44,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 03:37:44,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 03:37:44,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 03:37:44,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 03:37:44,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 03:37:44,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 03:37:44,422 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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-08-22 03:37:44,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 03:37:44,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 03:37:44,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 03:37:44,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 03:37:44,745 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 03:37:44,746 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-08-22 03:37:44,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10c5ca568/3cba461584de404cbfc63d68c6c53e95/FLAGc537e9f75 [2020-08-22 03:37:45,328 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 03:37:45,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2020-08-22 03:37:45,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10c5ca568/3cba461584de404cbfc63d68c6c53e95/FLAGc537e9f75 [2020-08-22 03:37:45,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10c5ca568/3cba461584de404cbfc63d68c6c53e95 [2020-08-22 03:37:45,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 03:37:45,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 03:37:45,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 03:37:45,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 03:37:45,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 03:37:45,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:37:45" (1/1) ... [2020-08-22 03:37:45,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec48d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:45, skipping insertion in model container [2020-08-22 03:37:45,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:37:45" (1/1) ... [2020-08-22 03:37:45,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 03:37:45,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 03:37:46,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:37:46,096 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 03:37:46,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:37:46,205 INFO L208 MainTranslator]: Completed translation [2020-08-22 03:37:46,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46 WrapperNode [2020-08-22 03:37:46,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 03:37:46,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 03:37:46,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 03:37:46,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 03:37:46,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (1/1) ... [2020-08-22 03:37:46,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (1/1) ... [2020-08-22 03:37:46,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (1/1) ... [2020-08-22 03:37:46,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (1/1) ... [2020-08-22 03:37:46,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (1/1) ... [2020-08-22 03:37:46,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (1/1) ... [2020-08-22 03:37:46,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (1/1) ... [2020-08-22 03:37:46,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 03:37:46,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 03:37:46,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 03:37:46,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 03:37:46,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (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 [2020-08-22 03:37:46,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 03:37:46,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 03:37:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 03:37:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 03:37:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 03:37:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 03:37:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 03:37:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 03:37:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 03:37:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 03:37:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 03:37:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 03:37:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 03:37:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 03:37:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 03:37:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 03:37:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 03:37:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 03:37:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 03:37:46,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 03:37:46,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 03:37:46,381 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 03:37:46,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 03:37:46,382 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 03:37:46,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 03:37:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 03:37:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 03:37:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 03:37:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 03:37:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 03:37:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 03:37:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 03:37:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 03:37:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 03:37:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 03:37:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 03:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 03:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 03:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 03:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 03:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 03:37:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 03:37:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 03:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 03:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 03:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 03:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 03:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 03:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 03:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 03:37:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 03:37:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 03:37:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 03:37:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 03:37:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 03:37:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 03:37:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 03:37:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 03:37:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 03:37:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 03:37:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 03:37:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 03:37:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 03:37:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 03:37:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 03:37:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 03:37:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 03:37:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 03:37:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 03:37:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 03:37:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 03:37:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 03:37:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 03:37:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 03:37:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 03:37:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 03:37:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 03:37:47,420 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 03:37:47,420 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 03:37:47,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:37:47 BoogieIcfgContainer [2020-08-22 03:37:47,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 03:37:47,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 03:37:47,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 03:37:47,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 03:37:47,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 03:37:45" (1/3) ... [2020-08-22 03:37:47,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b74af26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:37:47, skipping insertion in model container [2020-08-22 03:37:47,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:37:46" (2/3) ... [2020-08-22 03:37:47,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b74af26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:37:47, skipping insertion in model container [2020-08-22 03:37:47,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:37:47" (3/3) ... [2020-08-22 03:37:47,438 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2020-08-22 03:37:47,449 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 03:37:47,458 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 03:37:47,469 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 03:37:47,489 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 03:37:47,489 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 03:37:47,489 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 03:37:47,489 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 03:37:47,490 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 03:37:47,490 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 03:37:47,490 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 03:37:47,490 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 03:37:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-08-22 03:37:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 03:37:47,520 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:37:47,521 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:37:47,522 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:37:47,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:37:47,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1808633818, now seen corresponding path program 1 times [2020-08-22 03:37:47,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:37:47,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894905195] [2020-08-22 03:37:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:37:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,192 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:37:48,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:37:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:37:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:37:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:37:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:37:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:37:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 03:37:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 03:37:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:37:48,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894905195] [2020-08-22 03:37:48,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:37:48,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 03:37:48,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800054806] [2020-08-22 03:37:48,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 03:37:48,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:37:48,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 03:37:48,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 03:37:48,313 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 4 states. [2020-08-22 03:37:49,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:37:49,166 INFO L93 Difference]: Finished difference Result 219 states and 292 transitions. [2020-08-22 03:37:49,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 03:37:49,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 03:37:49,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:37:49,182 INFO L225 Difference]: With dead ends: 219 [2020-08-22 03:37:49,183 INFO L226 Difference]: Without dead ends: 125 [2020-08-22 03:37:49,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 03:37:49,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-22 03:37:49,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 95. [2020-08-22 03:37:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-22 03:37:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-08-22 03:37:49,270 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2020-08-22 03:37:49,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:37:49,270 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-08-22 03:37:49,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 03:37:49,271 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-08-22 03:37:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 03:37:49,277 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:37:49,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:37:49,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 03:37:49,278 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:37:49,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:37:49,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1285910176, now seen corresponding path program 1 times [2020-08-22 03:37:49,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:37:49,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464206809] [2020-08-22 03:37:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:37:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,644 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:37:49,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:37:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:37:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:37:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:37:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:37:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:37:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 03:37:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 03:37:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:37:49,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464206809] [2020-08-22 03:37:49,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:37:49,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 03:37:49,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892593450] [2020-08-22 03:37:49,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 03:37:49,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:37:49,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 03:37:49,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 03:37:49,700 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-08-22 03:37:50,182 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 03:37:50,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:37:50,722 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2020-08-22 03:37:50,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 03:37:50,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 03:37:50,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:37:50,728 INFO L225 Difference]: With dead ends: 155 [2020-08-22 03:37:50,729 INFO L226 Difference]: Without dead ends: 115 [2020-08-22 03:37:50,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 03:37:50,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-08-22 03:37:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2020-08-22 03:37:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-08-22 03:37:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-08-22 03:37:50,782 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2020-08-22 03:37:50,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:37:50,782 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-08-22 03:37:50,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 03:37:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-08-22 03:37:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 03:37:50,794 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:37:50,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:37:50,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 03:37:50,795 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:37:50,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:37:50,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2002808083, now seen corresponding path program 1 times [2020-08-22 03:37:50,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:37:50,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530486112] [2020-08-22 03:37:50,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:37:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,166 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:37:51,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:37:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:37:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:37:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:37:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:37:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:37:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 03:37:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 03:37:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:37:51,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530486112] [2020-08-22 03:37:51,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:37:51,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 03:37:51,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146944873] [2020-08-22 03:37:51,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 03:37:51,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:37:51,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 03:37:51,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:37:51,310 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 9 states. [2020-08-22 03:37:51,663 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 03:37:51,964 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:52,220 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:52,445 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:53,222 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 03:37:54,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:37:54,208 INFO L93 Difference]: Finished difference Result 298 states and 378 transitions. [2020-08-22 03:37:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 03:37:54,209 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 03:37:54,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:37:54,213 INFO L225 Difference]: With dead ends: 298 [2020-08-22 03:37:54,214 INFO L226 Difference]: Without dead ends: 240 [2020-08-22 03:37:54,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-22 03:37:54,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-22 03:37:54,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 175. [2020-08-22 03:37:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-08-22 03:37:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 210 transitions. [2020-08-22 03:37:54,271 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 210 transitions. Word has length 56 [2020-08-22 03:37:54,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:37:54,271 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 210 transitions. [2020-08-22 03:37:54,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 03:37:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 210 transitions. [2020-08-22 03:37:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-22 03:37:54,273 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:37:54,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:37:54,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 03:37:54,273 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:37:54,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:37:54,274 INFO L82 PathProgramCache]: Analyzing trace with hash 452268529, now seen corresponding path program 1 times [2020-08-22 03:37:54,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:37:54,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734386337] [2020-08-22 03:37:54,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:37:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,566 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:37:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:37:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:37:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:37:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:37:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:37:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:37:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 03:37:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 03:37:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 03:37:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:37:54,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734386337] [2020-08-22 03:37:54,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:37:54,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 03:37:54,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489262825] [2020-08-22 03:37:54,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:37:54,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:37:54,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:37:54,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:37:54,693 INFO L87 Difference]: Start difference. First operand 175 states and 210 transitions. Second operand 8 states. [2020-08-22 03:37:55,060 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 03:37:55,909 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:56,193 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:56,422 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:56,634 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 03:37:57,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:37:57,061 INFO L93 Difference]: Finished difference Result 521 states and 681 transitions. [2020-08-22 03:37:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 03:37:57,061 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-22 03:37:57,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:37:57,067 INFO L225 Difference]: With dead ends: 521 [2020-08-22 03:37:57,067 INFO L226 Difference]: Without dead ends: 374 [2020-08-22 03:37:57,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-22 03:37:57,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-08-22 03:37:57,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 298. [2020-08-22 03:37:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-22 03:37:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 360 transitions. [2020-08-22 03:37:57,149 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 360 transitions. Word has length 59 [2020-08-22 03:37:57,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:37:57,149 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 360 transitions. [2020-08-22 03:37:57,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:37:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 360 transitions. [2020-08-22 03:37:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-22 03:37:57,151 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:37:57,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:37:57,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 03:37:57,152 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:37:57,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:37:57,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1021481045, now seen corresponding path program 1 times [2020-08-22 03:37:57,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:37:57,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [704178268] [2020-08-22 03:37:57,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:37:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,417 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:37:57,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:37:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 03:37:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 03:37:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 03:37:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 03:37:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 03:37:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 03:37:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 03:37:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 03:37:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-22 03:37:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:37:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:37:57,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [704178268] [2020-08-22 03:37:57,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:37:57,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 03:37:57,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891500748] [2020-08-22 03:37:57,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 03:37:57,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:37:57,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 03:37:57,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:37:57,527 INFO L87 Difference]: Start difference. First operand 298 states and 360 transitions. Second operand 9 states. [2020-08-22 03:37:57,940 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 03:37:58,774 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:59,025 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:59,278 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 03:37:59,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:37:59,491 INFO L93 Difference]: Finished difference Result 613 states and 806 transitions. [2020-08-22 03:37:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 03:37:59,492 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-22 03:37:59,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:37:59,493 INFO L225 Difference]: With dead ends: 613 [2020-08-22 03:37:59,493 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 03:37:59,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-22 03:37:59,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 03:37:59,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 03:37:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 03:37:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 03:37:59,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-22 03:37:59,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:37:59,498 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 03:37:59,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 03:37:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 03:37:59,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 03:37:59,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 03:37:59,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 03:37:59,649 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-08-22 03:38:02,797 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-08-22 03:38:02,953 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:38:03,271 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-22 03:38:03,592 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-22 03:38:03,756 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:38:03,923 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:38:04,215 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 03:38:04,374 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 03:38:04,536 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:38:04,777 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 03:38:04,946 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 03:38:05,118 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:38:05,423 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-22 03:38:05,578 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 03:38:05,729 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 03:38:06,059 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-22 03:38:06,207 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-22 03:38:06,496 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 03:38:06,654 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 03:38:06,935 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-22 03:38:07,098 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 03:38:07,410 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 03:38:07,447 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-08-22 03:38:07,447 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-08-22 03:38:07,447 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-08-22 03:38:07,447 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-08-22 03:38:07,447 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-08-22 03:38:07,448 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-08-22 03:38:07,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-08-22 03:38:07,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-08-22 03:38:07,448 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-08-22 03:38:07,448 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-08-22 03:38:07,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-08-22 03:38:07,448 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-08-22 03:38:07,449 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-08-22 03:38:07,449 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-08-22 03:38:07,449 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-08-22 03:38:07,449 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-08-22 03:38:07,449 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-08-22 03:38:07,450 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-08-22 03:38:07,450 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 344 350) the Hoare annotation is: true [2020-08-22 03:38:07,450 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 344 350) no Hoare annotation was computed. [2020-08-22 03:38:07,450 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 351 359) no Hoare annotation was computed. [2020-08-22 03:38:07,450 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 351 359) the Hoare annotation is: true [2020-08-22 03:38:07,450 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 351 359) no Hoare annotation was computed. [2020-08-22 03:38:07,451 INFO L264 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 03:38:07,451 INFO L264 CegarLoopResult]: At program point L447-1(line 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 03:38:07,451 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:38:07,451 INFO L268 CegarLoopResult]: For program point L445(lines 445 452) no Hoare annotation was computed. [2020-08-22 03:38:07,452 INFO L268 CegarLoopResult]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2020-08-22 03:38:07,452 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-22 03:38:07,452 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:38:07,452 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:38:07,452 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2020-08-22 03:38:07,452 INFO L264 CegarLoopResult]: At program point L441-1(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 435 457) no Hoare annotation was computed. [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-22 03:38:07,453 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-08-22 03:38:07,454 INFO L268 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-08-22 03:38:07,454 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-22 03:38:07,454 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-08-22 03:38:07,454 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-08-22 03:38:07,454 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-22 03:38:07,454 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-08-22 03:38:07,454 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-08-22 03:38:07,454 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-22 03:38:07,455 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-22 03:38:07,455 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 156 170) no Hoare annotation was computed. [2020-08-22 03:38:07,455 INFO L268 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-08-22 03:38:07,455 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 156 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-22 03:38:07,455 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 156 170) no Hoare annotation was computed. [2020-08-22 03:38:07,455 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-22 03:38:07,455 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 111 119) no Hoare annotation was computed. [2020-08-22 03:38:07,455 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 111 119) the Hoare annotation is: true [2020-08-22 03:38:07,455 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 111 119) no Hoare annotation was computed. [2020-08-22 03:38:07,455 INFO L268 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 120 155) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 120 155) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 120 155) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 337 343) no Hoare annotation was computed. [2020-08-22 03:38:07,456 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 337 343) the Hoare annotation is: true [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-08-22 03:38:07,457 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 424 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:38:07,458 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 03:38:07,458 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 424 434) no Hoare annotation was computed. [2020-08-22 03:38:07,458 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 424 434) no Hoare annotation was computed. [2020-08-22 03:38:07,458 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 100 110) no Hoare annotation was computed. [2020-08-22 03:38:07,458 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 100 110) no Hoare annotation was computed. [2020-08-22 03:38:07,458 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-08-22 03:38:07,458 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-08-22 03:38:07,458 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 100 110) no Hoare annotation was computed. [2020-08-22 03:38:07,458 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 92 99) the Hoare annotation is: true [2020-08-22 03:38:07,458 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 92 99) no Hoare annotation was computed. [2020-08-22 03:38:07,459 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 92 99) no Hoare annotation was computed. [2020-08-22 03:38:07,459 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 77 83) no Hoare annotation was computed. [2020-08-22 03:38:07,459 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 77 83) the Hoare annotation is: true [2020-08-22 03:38:07,459 INFO L264 CegarLoopResult]: At program point testENTRY(lines 175 240) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:38:07,459 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:38:07,459 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-08-22 03:38:07,459 INFO L264 CegarLoopResult]: At program point L221-1(lines 215 228) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:38:07,459 INFO L268 CegarLoopResult]: For program point L186(lines 185 232) no Hoare annotation was computed. [2020-08-22 03:38:07,460 INFO L268 CegarLoopResult]: For program point L215(lines 215 228) no Hoare annotation was computed. [2020-08-22 03:38:07,460 INFO L268 CegarLoopResult]: For program point testFINAL(lines 175 240) no Hoare annotation was computed. [2020-08-22 03:38:07,460 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:38:07,460 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-08-22 03:38:07,460 INFO L268 CegarLoopResult]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2020-08-22 03:38:07,460 INFO L264 CegarLoopResult]: At program point L230(lines 185 232) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:38:07,461 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 03:38:07,461 INFO L268 CegarLoopResult]: For program point L195(lines 195 201) no Hoare annotation was computed. [2020-08-22 03:38:07,461 INFO L268 CegarLoopResult]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2020-08-22 03:38:07,461 INFO L268 CegarLoopResult]: For program point L187(lines 187 191) no Hoare annotation was computed. [2020-08-22 03:38:07,461 INFO L264 CegarLoopResult]: At program point L233(lines 184 234) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 03:38:07,461 INFO L268 CegarLoopResult]: For program point testEXIT(lines 175 240) no Hoare annotation was computed. [2020-08-22 03:38:07,461 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-08-22 03:38:07,461 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-08-22 03:38:07,462 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-08-22 03:38:07,462 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-08-22 03:38:07,462 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-08-22 03:38:07,462 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-08-22 03:38:07,462 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-22 03:38:07,462 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 835 863) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 03:38:07,462 INFO L268 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2020-08-22 03:38:07,462 INFO L268 CegarLoopResult]: For program point L847(lines 847 857) no Hoare annotation was computed. [2020-08-22 03:38:07,462 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-22 03:38:07,462 INFO L268 CegarLoopResult]: For program point L845-1(line 845) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point L843(lines 843 860) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point L843-1(lines 835 863) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 835 863) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point L298(lines 298 306) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 290 312) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 306) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 290 312) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 290 312) no Hoare annotation was computed. [2020-08-22 03:38:07,463 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 827 834) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 827 834) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 827 834) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 327 336) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 327 336) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 327 336) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-08-22 03:38:07,464 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:38:07,465 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 84 91) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 84 91) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 84 91) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 313 321) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 313 321) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 313 321) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point L273-1(lines 269 280) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 269 280) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 269 280) no Hoare annotation was computed. [2020-08-22 03:38:07,466 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:38:07,467 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 03:38:07,467 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:38:07,467 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 281 289) the Hoare annotation is: true [2020-08-22 03:38:07,467 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 281 289) no Hoare annotation was computed. [2020-08-22 03:38:07,467 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 281 289) no Hoare annotation was computed. [2020-08-22 03:38:07,467 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-08-22 03:38:07,467 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-22 03:38:07,467 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-08-22 03:38:07,468 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 03:38:07,468 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-08-22 03:38:07,468 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-08-22 03:38:07,468 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 03:38:07,468 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2020-08-22 03:38:07,468 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-08-22 03:38:07,468 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2020-08-22 03:38:07,469 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-08-22 03:38:07,469 INFO L271 CegarLoopResult]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2020-08-22 03:38:07,469 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-08-22 03:38:07,469 INFO L271 CegarLoopResult]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2020-08-22 03:38:07,469 INFO L271 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: true [2020-08-22 03:38:07,469 INFO L268 CegarLoopResult]: For program point L368-1(line 368) no Hoare annotation was computed. [2020-08-22 03:38:07,469 INFO L271 CegarLoopResult]: At program point L387(lines 362 391) the Hoare annotation is: true [2020-08-22 03:38:07,469 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 245 256) the Hoare annotation is: true [2020-08-22 03:38:07,470 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 245 256) no Hoare annotation was computed. [2020-08-22 03:38:07,470 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 256) no Hoare annotation was computed. [2020-08-22 03:38:07,470 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2020-08-22 03:38:07,470 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2020-08-22 03:38:07,470 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:38:07,470 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 03:38:07,470 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 03:38:07,470 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:38:07,471 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 257 268) no Hoare annotation was computed. [2020-08-22 03:38:07,471 INFO L268 CegarLoopResult]: For program point L261-1(lines 257 268) no Hoare annotation was computed. [2020-08-22 03:38:07,471 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 257 268) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-22 03:38:07,471 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 865 872) no Hoare annotation was computed. [2020-08-22 03:38:07,471 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2020-08-22 03:38:07,471 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 865 872) the Hoare annotation is: true [2020-08-22 03:38:07,471 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 865 872) no Hoare annotation was computed. [2020-08-22 03:38:07,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 03:38:07 BoogieIcfgContainer [2020-08-22 03:38:07,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 03:38:07,489 INFO L168 Benchmark]: Toolchain (without parser) took 21851.83 ms. Allocated memory was 143.1 MB in the beginning and 586.2 MB in the end (delta: 443.0 MB). Free memory was 105.0 MB in the beginning and 482.5 MB in the end (delta: -377.6 MB). Peak memory consumption was 456.8 MB. Max. memory is 7.1 GB. [2020-08-22 03:38:07,490 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 124.6 MB in the beginning and 124.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 03:38:07,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.13 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 104.8 MB in the beginning and 175.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-08-22 03:38:07,492 INFO L168 Benchmark]: Boogie Preprocessor took 101.47 ms. Allocated memory is still 205.5 MB. Free memory was 175.0 MB in the beginning and 168.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2020-08-22 03:38:07,493 INFO L168 Benchmark]: RCFGBuilder took 1121.00 ms. Allocated memory was 205.5 MB in the beginning and 232.8 MB in the end (delta: 27.3 MB). Free memory was 168.5 MB in the beginning and 191.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB. [2020-08-22 03:38:07,494 INFO L168 Benchmark]: TraceAbstraction took 20057.13 ms. Allocated memory was 232.8 MB in the beginning and 586.2 MB in the end (delta: 353.4 MB). Free memory was 189.8 MB in the beginning and 482.5 MB in the end (delta: -292.8 MB). Peak memory consumption was 452.0 MB. Max. memory is 7.1 GB. [2020-08-22 03:38:07,498 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 124.6 MB in the beginning and 124.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 567.13 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 104.8 MB in the beginning and 175.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.47 ms. Allocated memory is still 205.5 MB. Free memory was 175.0 MB in the beginning and 168.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1121.00 ms. Allocated memory was 205.5 MB in the beginning and 232.8 MB in the end (delta: 27.3 MB). Free memory was 168.5 MB in the beginning and 191.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20057.13 ms. Allocated memory was 232.8 MB in the beginning and 586.2 MB in the end (delta: 353.4 MB). Free memory was 189.8 MB in the beginning and 482.5 MB in the end (delta: -292.8 MB). Peak memory consumption was 452.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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: 185]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 392 SDtfs, 699 SDslu, 429 SDs, 0 SdLazy, 1695 SolverSat, 491 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 200 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 351 PreInvPairs, 436 NumberOfFragments, 717 HoareAnnotationTreeSize, 351 FomulaSimplifications, 163537 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 46 FomulaSimplificationsInter, 14700 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 79816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...