/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 produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --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_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:01,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:01,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:01,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:01,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:01,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:01,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:01,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:01,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:01,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:01,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:01,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:01,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:01,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:01,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:01,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:01,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:01,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:01,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:01,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:01,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:01,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:01,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:01,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:01,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:01,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:01,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:01,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:01,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:01,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:01,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:01,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:01,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:01,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:01,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:01,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:01,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:01,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:01,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:01,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:01,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:01,407 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 [2020-09-21 11:03:01,455 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:01,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:01,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:01,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:01,458 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:01,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:01,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:01,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:01,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:01,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:01,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:01,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:01,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:01,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:01,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:01,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:01,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:01,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:01,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:01,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:01,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:01,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:01,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:01,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:01,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:01,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:01,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:01,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:01,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:01,465 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 -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:03:02,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:02,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:02,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:02,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:02,577 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:02,580 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2020-09-21 11:03:02,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e143e7805/d02e7bd97e7e4778bb329f9f64b0413e/FLAG8d382ba5c [2020-09-21 11:03:03,277 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:03,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2020-09-21 11:03:03,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e143e7805/d02e7bd97e7e4778bb329f9f64b0413e/FLAG8d382ba5c [2020-09-21 11:03:03,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e143e7805/d02e7bd97e7e4778bb329f9f64b0413e [2020-09-21 11:03:03,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:03,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:03,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:03,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:03,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:03,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9949ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:03, skipping insertion in model container [2020-09-21 11:03:03,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:03,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:04,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,162 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:04,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,292 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:04,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04 WrapperNode [2020-09-21 11:03:04,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:04,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:04,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:04,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:04,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:04,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:04,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (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 [2020-09-21 11:03:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:05,621 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:05,622 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:05,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:05 BoogieIcfgContainer [2020-09-21 11:03:05,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:05,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:05,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:05,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:05,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:03" (1/3) ... [2020-09-21 11:03:05,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212efee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:05, skipping insertion in model container [2020-09-21 11:03:05,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (2/3) ... [2020-09-21 11:03:05,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212efee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:05, skipping insertion in model container [2020-09-21 11:03:05,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:05" (3/3) ... [2020-09-21 11:03:05,638 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-09-21 11:03:05,650 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:05,661 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:05,686 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:05,730 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:05,730 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:05,730 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:05,730 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:05,731 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:05,731 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:05,731 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:05,731 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:05,759 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2020-09-21 11:03:05,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:05,769 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:05,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:05,771 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:05,780 INFO L82 PathProgramCache]: Analyzing trace with hash -835397562, now seen corresponding path program 1 times [2020-09-21 11:03:05,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:05,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428916904] [2020-09-21 11:03:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:06,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:03:06,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,568 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:06,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:06,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:06,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:06,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:06,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:06,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428916904] [2020-09-21 11:03:06,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:06,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:06,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001364316] [2020-09-21 11:03:06,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:06,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:06,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:06,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:06,776 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 3 states. [2020-09-21 11:03:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:07,653 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-09-21 11:03:07,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:07,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:07,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:07,674 INFO L225 Difference]: With dead ends: 199 [2020-09-21 11:03:07,674 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 11:03:07,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:07,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 11:03:07,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 11:03:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 11:03:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-09-21 11:03:07,778 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-09-21 11:03:07,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:07,779 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-09-21 11:03:07,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-09-21 11:03:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:07,784 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:07,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:07,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:07,790 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:07,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:07,791 INFO L82 PathProgramCache]: Analyzing trace with hash -297882774, now seen corresponding path program 1 times [2020-09-21 11:03:07,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:07,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13638651] [2020-09-21 11:03:07,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:07,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:03:07,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,245 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:08,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:08,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13638651] [2020-09-21 11:03:08,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:08,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:08,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969024509] [2020-09-21 11:03:08,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:08,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:08,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:08,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:08,365 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-09-21 11:03:08,814 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:09,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:09,227 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-09-21 11:03:09,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:09,228 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:09,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:09,230 INFO L225 Difference]: With dead ends: 132 [2020-09-21 11:03:09,230 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:03:09,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:09,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:03:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 11:03:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:03:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-09-21 11:03:09,285 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-09-21 11:03:09,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:09,285 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-09-21 11:03:09,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:09,285 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-09-21 11:03:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:03:09,287 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:09,287 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] [2020-09-21 11:03:09,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:09,288 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:09,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:09,289 INFO L82 PathProgramCache]: Analyzing trace with hash 2081031283, now seen corresponding path program 1 times [2020-09-21 11:03:09,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:09,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288056466] [2020-09-21 11:03:09,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:03:09,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:03:09,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:03:09,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:09,777 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:09,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:09,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:03:09,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:09,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:09,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:09,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:09,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:09,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:09,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:09,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:09,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:09,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:09,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:09,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:09,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:09,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:09,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:09,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:09,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:09,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:09,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:09,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:09,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:09,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:09,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:09,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:09,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:09,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:09,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:09,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:09,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:09,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288056466] [2020-09-21 11:03:09,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:09,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:09,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375457811] [2020-09-21 11:03:09,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:09,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:09,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:09,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:09,959 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 4 states. [2020-09-21 11:03:10,301 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:10,830 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2020-09-21 11:03:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:10,831 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:03:10,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:10,834 INFO L225 Difference]: With dead ends: 141 [2020-09-21 11:03:10,834 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:03:10,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:10,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:03:10,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 11:03:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:03:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-09-21 11:03:10,861 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-09-21 11:03:10,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:10,862 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-09-21 11:03:10,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-09-21 11:03:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 11:03:10,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:10,864 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] [2020-09-21 11:03:10,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:10,865 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:10,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:10,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1503869897, now seen corresponding path program 1 times [2020-09-21 11:03:10,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:10,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258380087] [2020-09-21 11:03:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:03:11,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-09-21 11:03:11,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:03:11,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,795 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:11,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:03:11,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:11,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:11,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:11,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:03:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:11,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:03:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:11,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:03:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:11,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258380087] [2020-09-21 11:03:11,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:11,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:03:11,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868357613] [2020-09-21 11:03:11,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:03:11,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:11,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:03:11,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:03:11,990 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states. [2020-09-21 11:03:12,502 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:13,352 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:13,701 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:14,003 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:14,293 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:14,674 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:15,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:15,005 INFO L93 Difference]: Finished difference Result 191 states and 239 transitions. [2020-09-21 11:03:15,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:03:15,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 11:03:15,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:15,009 INFO L225 Difference]: With dead ends: 191 [2020-09-21 11:03:15,009 INFO L226 Difference]: Without dead ends: 143 [2020-09-21 11:03:15,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:03:15,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-09-21 11:03:15,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-09-21 11:03:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-21 11:03:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2020-09-21 11:03:15,047 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 54 [2020-09-21 11:03:15,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:15,048 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2020-09-21 11:03:15,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:03:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2020-09-21 11:03:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:03:15,050 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:15,050 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] [2020-09-21 11:03:15,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:15,050 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:15,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:15,051 INFO L82 PathProgramCache]: Analyzing trace with hash 353010405, now seen corresponding path program 1 times [2020-09-21 11:03:15,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:15,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32184] [2020-09-21 11:03:15,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:03:15,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-21 11:03:15,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:03:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:03:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:15,551 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:15,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:15,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:03:15,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:15,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:15,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:15,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:15,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:15,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:15,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:15,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:15,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:15,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:15,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:15,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:15,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:15,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:15,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:15,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:15,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:15,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:15,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:15,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:15,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:15,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:15,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:03:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:15,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:15,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:15,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:03:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:15,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:15,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:15,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:15,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32184] [2020-09-21 11:03:15,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:15,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:15,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418344147] [2020-09-21 11:03:15,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:15,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:15,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:15,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:15,776 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 8 states. [2020-09-21 11:03:16,229 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:16,943 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:17,244 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:17,571 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:17,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:17,791 INFO L93 Difference]: Finished difference Result 217 states and 270 transitions. [2020-09-21 11:03:17,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:03:17,792 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-09-21 11:03:17,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:17,792 INFO L225 Difference]: With dead ends: 217 [2020-09-21 11:03:17,792 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:03:17,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:03:17,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:03:17,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:03:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:03:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:03:17,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-09-21 11:03:17,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:17,796 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:03:17,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:03:17,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:03:17,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:03:17,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:03:18,012 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:18,197 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:18,364 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:18,705 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 16 [2020-09-21 11:03:18,883 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:19,051 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:19,220 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:19,497 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:19,770 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:20,073 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:20,439 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:03:20,593 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:20,750 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:20,902 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:21,061 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:21,213 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:21,475 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:21,737 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:22,003 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:22,357 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:03:22,516 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:22,669 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:22,822 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:22,979 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,128 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:23,282 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,435 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,586 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:23,740 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,891 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:24,043 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:24,196 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:24,355 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:24,505 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:24,658 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:24,810 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:25,034 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 16 [2020-09-21 11:03:25,182 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:25,409 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 16 [2020-09-21 11:03:25,559 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:25,712 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:25,886 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:26,039 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:26,188 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:26,342 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:26,563 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 16 [2020-09-21 11:03:26,715 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:26,935 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:03:27,186 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:03:27,403 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:03:27,557 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:03:27,725 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:03:28,133 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-09-21 11:03:28,337 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-21 11:03:28,601 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:28,788 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-21 11:03:29,190 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-09-21 11:03:29,406 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:03:29,797 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-09-21 11:03:30,019 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:03:30,432 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-09-21 11:03:30,631 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-21 11:03:30,932 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-21 11:03:31,324 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-09-21 11:03:31,562 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-09-21 11:03:31,567 INFO L268 CegarLoopResult]: For program point L574(lines 551 575) no Hoare annotation was computed. [2020-09-21 11:03:31,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 527 582) no Hoare annotation was computed. [2020-09-21 11:03:31,567 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-09-21 11:03:31,568 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-09-21 11:03:31,568 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:03:31,568 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 527 582) no Hoare annotation was computed. [2020-09-21 11:03:31,568 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 573) no Hoare annotation was computed. [2020-09-21 11:03:31,568 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 527 582) no Hoare annotation was computed. [2020-09-21 11:03:31,568 INFO L268 CegarLoopResult]: For program point L609-2(lines 609 634) no Hoare annotation was computed. [2020-09-21 11:03:31,568 INFO L268 CegarLoopResult]: For program point L635(lines 608 636) no Hoare annotation was computed. [2020-09-21 11:03:31,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 583 642) no Hoare annotation was computed. [2020-09-21 11:03:31,569 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-09-21 11:03:31,569 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-09-21 11:03:31,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 583 642) no Hoare annotation was computed. [2020-09-21 11:03:31,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 583 642) no Hoare annotation was computed. [2020-09-21 11:03:31,569 INFO L268 CegarLoopResult]: For program point L615(lines 615 619) no Hoare annotation was computed. [2020-09-21 11:03:31,569 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 619) no Hoare annotation was computed. [2020-09-21 11:03:31,569 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-09-21 11:03:31,570 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2020-09-21 11:03:31,570 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2020-09-21 11:03:31,570 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2020-09-21 11:03:31,570 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2020-09-21 11:03:31,570 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2020-09-21 11:03:31,570 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:03:31,570 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 11:03:31,570 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,571 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,571 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,571 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,571 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:03:31,571 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:03:31,572 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,572 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,572 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:03:31,572 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:03:31,572 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:03:31,572 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:03:31,572 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:03:31,573 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:03:31,573 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:03:31,573 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:03:31,573 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 11:03:31,573 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:03:31,573 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:03:31,573 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 11:03:31,573 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:03:31,574 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:03:31,574 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 11:03:31,574 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:03:31,574 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:03:31,574 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 11:03:31,574 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 328 336) no Hoare annotation was computed. [2020-09-21 11:03:31,574 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 328 336) the Hoare annotation is: true [2020-09-21 11:03:31,575 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 328 336) no Hoare annotation was computed. [2020-09-21 11:03:31,575 INFO L268 CegarLoopResult]: For program point L344(lines 344 352) no Hoare annotation was computed. [2020-09-21 11:03:31,575 INFO L268 CegarLoopResult]: For program point L344-2(lines 344 352) no Hoare annotation was computed. [2020-09-21 11:03:31,575 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-09-21 11:03:31,575 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 337 372) no Hoare annotation was computed. [2020-09-21 11:03:31,575 INFO L268 CegarLoopResult]: For program point L367-1(line 367) no Hoare annotation was computed. [2020-09-21 11:03:31,575 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 337 372) no Hoare annotation was computed. [2020-09-21 11:03:31,575 INFO L268 CegarLoopResult]: For program point L356(lines 356 364) no Hoare annotation was computed. [2020-09-21 11:03:31,576 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 337 372) no Hoare annotation was computed. [2020-09-21 11:03:31,576 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 364) no Hoare annotation was computed. [2020-09-21 11:03:31,576 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2020-09-21 11:03:31,576 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2020-09-21 11:03:31,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:03:31,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:03:31,576 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 481 526) no Hoare annotation was computed. [2020-09-21 11:03:31,577 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,577 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:03:31,577 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:03:31,577 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 794 839) no Hoare annotation was computed. [2020-09-21 11:03:31,577 INFO L268 CegarLoopResult]: For program point L814(lines 814 821) no Hoare annotation was computed. [2020-09-21 11:03:31,577 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 794 839) no Hoare annotation was computed. [2020-09-21 11:03:31,577 INFO L268 CegarLoopResult]: For program point L808(lines 808 828) no Hoare annotation was computed. [2020-09-21 11:03:31,577 INFO L268 CegarLoopResult]: For program point L808-1(lines 808 828) no Hoare annotation was computed. [2020-09-21 11:03:31,578 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 794 839) no Hoare annotation was computed. [2020-09-21 11:03:31,578 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-09-21 11:03:31,578 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 317 327) no Hoare annotation was computed. [2020-09-21 11:03:31,578 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 317 327) no Hoare annotation was computed. [2020-09-21 11:03:31,578 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 317 327) no Hoare annotation was computed. [2020-09-21 11:03:31,578 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-21 11:03:31,578 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 309 316) no Hoare annotation was computed. [2020-09-21 11:03:31,578 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2020-09-21 11:03:31,579 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 309 316) no Hoare annotation was computed. [2020-09-21 11:03:31,579 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 294 300) no Hoare annotation was computed. [2020-09-21 11:03:31,579 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 294 300) the Hoare annotation is: true [2020-09-21 11:03:31,579 INFO L264 CegarLoopResult]: At program point testENTRY(lines 374 437) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,579 INFO L268 CegarLoopResult]: For program point testFINAL(lines 374 437) no Hoare annotation was computed. [2020-09-21 11:03:31,579 INFO L264 CegarLoopResult]: At program point L430(lines 383 431) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,579 INFO L268 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-09-21 11:03:31,580 INFO L264 CegarLoopResult]: At program point L420-2(lines 414 425) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,580 INFO L268 CegarLoopResult]: For program point L385(lines 384 429) no Hoare annotation was computed. [2020-09-21 11:03:31,580 INFO L268 CegarLoopResult]: For program point L414(lines 414 425) no Hoare annotation was computed. [2020-09-21 11:03:31,580 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,580 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-09-21 11:03:31,580 INFO L268 CegarLoopResult]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2020-09-21 11:03:31,580 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,581 INFO L264 CegarLoopResult]: At program point L427(lines 384 429) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:31,581 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-09-21 11:03:31,581 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2020-09-21 11:03:31,581 INFO L268 CegarLoopResult]: For program point testEXIT(lines 374 437) no Hoare annotation was computed. [2020-09-21 11:03:31,581 INFO L268 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-09-21 11:03:31,581 INFO L268 CegarLoopResult]: For program point L768(lines 768 775) no Hoare annotation was computed. [2020-09-21 11:03:31,581 INFO L268 CegarLoopResult]: For program point L762(lines 762 782) no Hoare annotation was computed. [2020-09-21 11:03:31,581 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 748 793) no Hoare annotation was computed. [2020-09-21 11:03:31,582 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 782) no Hoare annotation was computed. [2020-09-21 11:03:31,582 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 748 793) no Hoare annotation was computed. [2020-09-21 11:03:31,582 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 748 793) no Hoare annotation was computed. [2020-09-21 11:03:31,582 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-09-21 11:03:31,582 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-09-21 11:03:31,582 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:03:31,582 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:03:31,582 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 229 238) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 645 747) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 714) no Hoare annotation was computed. [2020-09-21 11:03:31,583 INFO L268 CegarLoopResult]: For program point L715(lines 693 716) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 645 747) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point L674(lines 674 690) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point L734(lines 734 741) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point L695(lines 694 714) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point L691(lines 691 732) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 645 747) no Hoare annotation was computed. [2020-09-21 11:03:31,584 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-09-21 11:03:31,585 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-09-21 11:03:31,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:31,585 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.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~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~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~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#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~string18.offset| |old(#t~string18.offset)|) (= |#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~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:03:31,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:31,585 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2020-09-21 11:03:31,585 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2020-09-21 11:03:31,586 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 301 308) no Hoare annotation was computed. [2020-09-21 11:03:31,586 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-09-21 11:03:31,586 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:03:31,586 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-09-21 11:03:31,586 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:03:31,586 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:03:31,586 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:03:31,586 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:31,587 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:03:31,587 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:31,587 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:31,587 INFO L264 CegarLoopResult]: At program point L281(lines 281 287) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:31,587 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:31,587 INFO L268 CegarLoopResult]: For program point L274(lines 273 292) no Hoare annotation was computed. [2020-09-21 11:03:31,587 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:31,587 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2020-09-21 11:03:31,588 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2020-09-21 11:03:31,588 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 11:03:31,588 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:03:31,588 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 11:03:31,588 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 11:03:31,588 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 11:03:31,588 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 11:03:31,589 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 11:03:31,589 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 11:03:31,589 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 11:03:31,589 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 11:03:31,589 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-09-21 11:03:31,589 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-09-21 11:03:31,589 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-09-21 11:03:31,590 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-09-21 11:03:31,590 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-09-21 11:03:31,590 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-09-21 11:03:31,590 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 11:03:31,590 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 11:03:31,590 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:31,590 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:03:31,591 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:03:31,591 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:31,591 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-09-21 11:03:31,591 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-09-21 11:03:31,591 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:31,591 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 466 473) no Hoare annotation was computed. [2020-09-21 11:03:31,592 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2020-09-21 11:03:31,592 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 466 473) the Hoare annotation is: true [2020-09-21 11:03:31,592 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 466 473) no Hoare annotation was computed. [2020-09-21 11:03:31,592 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-09-21 11:03:31,592 INFO L268 CegarLoopResult]: For program point L448(lines 448 461) no Hoare annotation was computed. [2020-09-21 11:03:31,592 INFO L268 CegarLoopResult]: For program point L448-1(lines 440 464) no Hoare annotation was computed. [2020-09-21 11:03:31,592 INFO L271 CegarLoopResult]: At program point L446(line 446) the Hoare annotation is: true [2020-09-21 11:03:31,593 INFO L268 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-09-21 11:03:31,593 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 440 464) the Hoare annotation is: true [2020-09-21 11:03:31,593 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 440 464) no Hoare annotation was computed. [2020-09-21 11:03:31,593 INFO L264 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:31,593 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-09-21 11:03:31,593 INFO L264 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:03:31,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:03:31 BoogieIcfgContainer [2020-09-21 11:03:31,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:03:31,616 INFO L168 Benchmark]: Toolchain (without parser) took 28037.21 ms. Allocated memory was 141.0 MB in the beginning and 570.4 MB in the end (delta: 429.4 MB). Free memory was 102.3 MB in the beginning and 109.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 422.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:31,617 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:03:31,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.92 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 101.6 MB in the beginning and 173.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:31,618 INFO L168 Benchmark]: Boogie Preprocessor took 130.31 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 169.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:31,619 INFO L168 Benchmark]: RCFGBuilder took 1203.36 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.1 MB in the beginning and 203.8 MB in the end (delta: -34.7 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:31,620 INFO L168 Benchmark]: TraceAbstraction took 25984.14 ms. Allocated memory was 237.0 MB in the beginning and 570.4 MB in the end (delta: 333.4 MB). Free memory was 202.4 MB in the beginning and 109.3 MB in the end (delta: 93.1 MB). Peak memory consumption was 426.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:31,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.92 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 101.6 MB in the beginning and 173.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.31 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 169.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1203.36 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.1 MB in the beginning and 203.8 MB in the end (delta: -34.7 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25984.14 ms. Allocated memory was 237.0 MB in the beginning and 570.4 MB in the end (delta: 333.4 MB). Free memory was 202.4 MB in the beginning and 109.3 MB in the end (delta: 93.1 MB). Peak memory consumption was 426.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: 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: 384]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || splverifierCounter <= 0) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 339 SDtfs, 408 SDslu, 201 SDs, 0 SdLazy, 875 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 191 NumberOfFragments, 539 HoareAnnotationTreeSize, 165 FomulaSimplifications, 23626 FormulaSimplificationTreeSizeReduction, 8.9s HoareSimplificationTime, 40 FomulaSimplificationsInter, 6404 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 68826 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...