/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:07:56,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:07:56,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:07:56,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:07:56,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:07:56,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:07:56,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:07:56,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:07:56,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:07:56,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:07:56,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:07:56,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:07:56,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:07:56,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:07:56,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:07:56,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:07:56,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:07:56,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:07:56,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:07:56,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:07:56,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:07:56,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:07:56,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:07:56,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:07:56,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:07:56,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:07:56,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:07:56,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:07:56,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:07:56,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:07:56,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:07:56,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:07:56,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:07:56,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:07:56,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:07:56,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:07:56,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:07:56,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:07:56,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:07:56,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:07:56,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:07:56,582 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 12:07:56,642 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:07:56,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:07:56,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:07:56,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:07:56,648 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:07:56,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:07:56,648 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:07:56,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:07:56,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:07:56,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:07:56,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:07:56,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:07:56,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:07:56,650 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:07:56,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:07:56,650 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:07:56,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:07:56,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:07:56,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:07:56,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:07:56,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:07:56,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:07:56,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:07:56,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:07:56,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:07:56,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:07:56,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:07:56,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:07:56,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:07:56,656 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:07:57,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:07:57,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:07:57,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:07:57,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:07:57,169 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:07:57,171 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-09-21 12:07:57,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfb0109ca/9714710895b9447f8679827f4a4af15f/FLAG733a06010 [2020-09-21 12:07:57,804 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:07:57,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-09-21 12:07:57,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfb0109ca/9714710895b9447f8679827f4a4af15f/FLAG733a06010 [2020-09-21 12:07:58,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfb0109ca/9714710895b9447f8679827f4a4af15f [2020-09-21 12:07:58,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:07:58,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:07:58,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:07:58,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:07:58,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:07:58,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58, skipping insertion in model container [2020-09-21 12:07:58,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:07:58,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:07:58,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:07:58,563 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:07:58,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:07:58,781 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:07:58,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58 WrapperNode [2020-09-21 12:07:58,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:07:58,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:07:58,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:07:58,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:07:58,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (1/1) ... [2020-09-21 12:07:58,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:07:58,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:07:58,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:07:58,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:07:58,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (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 12:07:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:07:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:07:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:07:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:07:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:07:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:07:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:07:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:07:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:07:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:07:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:07:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:07:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:07:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:07:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:07:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:07:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:07:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:07:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:07:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:07:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:07:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:07:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:07:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:07:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:07:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:07:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:07:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:07:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:07:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:07:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:07:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:07:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:07:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:07:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:07:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:07:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:07:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:07:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:07:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:07:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:07:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:07:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:07:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:07:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:07:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:07:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:07:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:07:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:07:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:07:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:07:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:07:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:07:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:07:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:07:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:07:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:07:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:07:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:07:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:07:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:07:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:00,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:00,104 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:00,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:00 BoogieIcfgContainer [2020-09-21 12:08:00,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:00,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:00,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:00,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:00,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:07:58" (1/3) ... [2020-09-21 12:08:00,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f616fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:00, skipping insertion in model container [2020-09-21 12:08:00,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:07:58" (2/3) ... [2020-09-21 12:08:00,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f616fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:00, skipping insertion in model container [2020-09-21 12:08:00,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:00" (3/3) ... [2020-09-21 12:08:00,119 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2020-09-21 12:08:00,131 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:00,142 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:00,165 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:00,191 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:00,191 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:00,191 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:00,191 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:00,191 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:00,191 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:00,191 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:00,192 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-09-21 12:08:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:00,235 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:00,237 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 12:08:00,237 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:00,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:00,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1206360335, now seen corresponding path program 1 times [2020-09-21 12:08:00,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:00,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815934109] [2020-09-21 12:08:00,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:00,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:01,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:01,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:01,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:01,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:08:01,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1099 [2020-09-21 12:08:01,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:01,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:01,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:01,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-21 12:08:02,193 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:02,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:02,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:02,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:02,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 12:08:02,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:02,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:02,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:02,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:02,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:02,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:02,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:02,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:02,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:02,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:02,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:02,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:02,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:02,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:02,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:02,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:02,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:02,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:02,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:02,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:02,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:02,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:02,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:02,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:02,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:02,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:02,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:02,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:02,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:02,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:02,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:02,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:02,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:02,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:02,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:02,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:02,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:02,375 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 12:08:02,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815934109] [2020-09-21 12:08:02,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:02,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:02,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581210308] [2020-09-21 12:08:02,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:02,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:02,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:02,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:02,407 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 4 states. [2020-09-21 12:08:03,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:03,199 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2020-09-21 12:08:03,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:03,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:03,219 INFO L225 Difference]: With dead ends: 198 [2020-09-21 12:08:03,219 INFO L226 Difference]: Without dead ends: 113 [2020-09-21 12:08:03,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:03,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-09-21 12:08:03,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-09-21 12:08:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 12:08:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-09-21 12:08:03,311 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-09-21 12:08:03,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:03,311 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-09-21 12:08:03,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-09-21 12:08:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:03,315 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:03,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:03,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:03,316 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:03,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:03,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1457835642, now seen corresponding path program 1 times [2020-09-21 12:08:03,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:03,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815611542] [2020-09-21 12:08:03,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:03,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:03,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:04,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:08:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1041 [2020-09-21 12:08:04,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:04,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,810 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:04,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:04,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:04,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 12:08:04,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:04,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:04,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:04,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:04,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:04,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:04,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:04,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:04,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:04,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:04,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:04,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:04,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:04,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:04,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:04,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:04,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:04,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:04,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:04,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:04,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:04,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:04,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:04,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:04,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:04,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:04,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:04,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:04,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:04,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:04,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:04,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:04,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:04,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:04,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:04,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:04,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:04,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:04,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:04,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:04,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:04,992 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 12:08:04,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815611542] [2020-09-21 12:08:04,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:04,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:04,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163735678] [2020-09-21 12:08:04,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:04,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:04,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:04,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:05,000 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 5 states. [2020-09-21 12:08:05,527 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:06,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:06,065 INFO L93 Difference]: Finished difference Result 143 states and 178 transitions. [2020-09-21 12:08:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:06,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:06,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:06,068 INFO L225 Difference]: With dead ends: 143 [2020-09-21 12:08:06,068 INFO L226 Difference]: Without dead ends: 103 [2020-09-21 12:08:06,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:06,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-09-21 12:08:06,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-09-21 12:08:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-21 12:08:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-09-21 12:08:06,100 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2020-09-21 12:08:06,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:06,101 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-09-21 12:08:06,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-09-21 12:08:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:08:06,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:06,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:06,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:06,104 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:06,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:06,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1158960605, now seen corresponding path program 1 times [2020-09-21 12:08:06,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:06,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227934254] [2020-09-21 12:08:06,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:06,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:06,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:08:07,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1015 [2020-09-21 12:08:07,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:08:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:07,543 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:07,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:07,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:07,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-21 12:08:07,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:07,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:07,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:07,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:07,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:07,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:07,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:07,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:07,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:07,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:07,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:07,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:07,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:07,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:07,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:07,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:07,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:07,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:07,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:07,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:07,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:07,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:07,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:07,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:07,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:07,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:07,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:07,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:08:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:07,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:07,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:07,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:07,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:07,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:07,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:07,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:07,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:07,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:07,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:07,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:07,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:07,869 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 12:08:07,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227934254] [2020-09-21 12:08:07,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:07,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:08:07,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813159111] [2020-09-21 12:08:07,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:08:07,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:07,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:08:07,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:08:07,874 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 6 states. [2020-09-21 12:08:08,228 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:08,848 INFO L93 Difference]: Finished difference Result 152 states and 193 transitions. [2020-09-21 12:08:08,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:08:08,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-09-21 12:08:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:08,852 INFO L225 Difference]: With dead ends: 152 [2020-09-21 12:08:08,852 INFO L226 Difference]: Without dead ends: 103 [2020-09-21 12:08:08,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:08:08,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-09-21 12:08:08,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-09-21 12:08:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-21 12:08:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-09-21 12:08:08,880 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2020-09-21 12:08:08,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:08,880 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-09-21 12:08:08,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:08:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-09-21 12:08:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:08:08,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:08,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:08,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:08,883 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:08,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:08,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1004673798, now seen corresponding path program 1 times [2020-09-21 12:08:08,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:08,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761086245] [2020-09-21 12:08:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:08,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:09,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:08:10,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:10,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1161 [2020-09-21 12:08:10,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:08:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 12:08:10,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:10,443 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:10,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-21 12:08:10,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:10,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:10,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:10,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:10,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:10,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:10,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:10,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:10,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:10,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:10,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:08:10,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:10,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:10,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:10,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:10,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:08:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:10,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:10,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:10,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:08:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:10,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:10,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:10,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:08:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:10,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:10,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:10,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:10,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:08:10,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:10,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:10,718 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 12:08:10,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761086245] [2020-09-21 12:08:10,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:10,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:08:10,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325817037] [2020-09-21 12:08:10,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:08:10,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:08:10,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:08:10,722 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2020-09-21 12:08:11,138 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:12,039 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:12,403 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:12,728 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:12,900 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2020-09-21 12:08:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:08:12,901 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 12:08:12,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:12,902 INFO L225 Difference]: With dead ends: 141 [2020-09-21 12:08:12,902 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:08:12,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:08:12,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:08:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:08:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:08:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:08:12,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-09-21 12:08:12,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:12,905 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:08:12,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:08:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:08:12,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:08:12,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:08:12,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:08:13,102 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:13,265 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:13,438 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:13,746 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 185 [2020-09-21 12:08:13,914 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:14,072 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 10 [2020-09-21 12:08:14,365 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 185 [2020-09-21 12:08:14,537 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:14,694 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:14,857 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:15,010 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:15,159 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:15,316 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:15,476 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:15,633 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:15,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:15,948 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:16,103 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:16,449 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:16,787 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:17,132 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:17,286 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:17,441 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:17,780 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:18,118 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:18,459 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:18,612 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:18,765 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:18,919 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:19,075 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:19,207 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 10 [2020-09-21 12:08:19,360 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:19,512 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:19,665 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:19,819 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:19,976 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:20,128 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:20,284 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:20,499 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-09-21 12:08:20,696 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-09-21 12:08:20,914 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-09-21 12:08:21,122 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:21,345 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-09-21 12:08:21,566 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-09-21 12:08:21,787 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-09-21 12:08:22,090 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:22,310 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:22,543 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 16 [2020-09-21 12:08:22,761 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:22,972 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 16 [2020-09-21 12:08:23,209 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 16 [2020-09-21 12:08:23,427 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:23,711 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-09-21 12:08:23,940 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-09-21 12:08:24,166 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:24,373 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:08:24,378 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:08:24,378 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 498) no Hoare annotation was computed. [2020-09-21 12:08:24,378 INFO L268 CegarLoopResult]: For program point L499(lines 476 500) no Hoare annotation was computed. [2020-09-21 12:08:24,378 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 452 507) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 452 507) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 452 507) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 487) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point L540(lines 540 544) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point L540-1(lines 540 544) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 508 567) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point L534-2(lines 534 559) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point L560(lines 533 561) no Hoare annotation was computed. [2020-09-21 12:08:24,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 508 567) no Hoare annotation was computed. [2020-09-21 12:08:24,380 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 508 567) no Hoare annotation was computed. [2020-09-21 12:08:24,380 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:08:24,380 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-09-21 12:08:24,380 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 245 251) the Hoare annotation is: true [2020-09-21 12:08:24,380 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 245 251) no Hoare annotation was computed. [2020-09-21 12:08:24,380 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 252 260) no Hoare annotation was computed. [2020-09-21 12:08:24,380 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 252 260) the Hoare annotation is: true [2020-09-21 12:08:24,381 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 252 260) no Hoare annotation was computed. [2020-09-21 12:08:24,381 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 336 358) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,381 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,381 INFO L264 CegarLoopResult]: At program point L348-1(line 348) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,381 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-09-21 12:08:24,382 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 353) no Hoare annotation was computed. [2020-09-21 12:08:24,382 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 336 358) no Hoare annotation was computed. [2020-09-21 12:08:24,382 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-21 12:08:24,382 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,382 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,382 INFO L264 CegarLoopResult]: At program point L342-1(line 342) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,382 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 336 358) no Hoare annotation was computed. [2020-09-21 12:08:24,383 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 293 316) no Hoare annotation was computed. [2020-09-21 12:08:24,383 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 293 316) no Hoare annotation was computed. [2020-09-21 12:08:24,383 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 293 316) no Hoare annotation was computed. [2020-09-21 12:08:24,383 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-09-21 12:08:24,383 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-09-21 12:08:24,383 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-09-21 12:08:24,384 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-21 12:08:24,384 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-21 12:08:24,384 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-09-21 12:08:24,384 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-21 12:08:24,384 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-21 12:08:24,384 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-21 12:08:24,384 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-21 12:08:24,385 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-21 12:08:24,385 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-09-21 12:08:24,385 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-09-21 12:08:24,385 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-09-21 12:08:24,385 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 110 118) no Hoare annotation was computed. [2020-09-21 12:08:24,385 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 110 118) the Hoare annotation is: true [2020-09-21 12:08:24,385 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 110 118) no Hoare annotation was computed. [2020-09-21 12:08:24,385 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:08:24,386 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:08:24,386 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-21 12:08:24,386 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-09-21 12:08:24,386 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 119 154) no Hoare annotation was computed. [2020-09-21 12:08:24,386 INFO L268 CegarLoopResult]: For program point L138(lines 138 146) no Hoare annotation was computed. [2020-09-21 12:08:24,386 INFO L268 CegarLoopResult]: For program point L138-2(lines 138 146) no Hoare annotation was computed. [2020-09-21 12:08:24,386 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 119 154) no Hoare annotation was computed. [2020-09-21 12:08:24,386 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 119 154) no Hoare annotation was computed. [2020-09-21 12:08:24,387 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 238 244) no Hoare annotation was computed. [2020-09-21 12:08:24,387 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 238 244) the Hoare annotation is: true [2020-09-21 12:08:24,387 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 406 451) no Hoare annotation was computed. [2020-09-21 12:08:24,387 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 406 451) no Hoare annotation was computed. [2020-09-21 12:08:24,387 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 406 451) no Hoare annotation was computed. [2020-09-21 12:08:24,387 INFO L268 CegarLoopResult]: For program point L733(lines 733 753) no Hoare annotation was computed. [2020-09-21 12:08:24,388 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 753) no Hoare annotation was computed. [2020-09-21 12:08:24,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 719 764) no Hoare annotation was computed. [2020-09-21 12:08:24,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 719 764) no Hoare annotation was computed. [2020-09-21 12:08:24,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 719 764) no Hoare annotation was computed. [2020-09-21 12:08:24,388 INFO L268 CegarLoopResult]: For program point L739(lines 739 746) no Hoare annotation was computed. [2020-09-21 12:08:24,388 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 325 335) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,389 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 325 335) no Hoare annotation was computed. [2020-09-21 12:08:24,389 INFO L271 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: true [2020-09-21 12:08:24,389 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 325 335) no Hoare annotation was computed. [2020-09-21 12:08:24,389 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 99 109) no Hoare annotation was computed. [2020-09-21 12:08:24,389 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 99 109) no Hoare annotation was computed. [2020-09-21 12:08:24,389 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-09-21 12:08:24,389 INFO L268 CegarLoopResult]: For program point L104-1(line 104) no Hoare annotation was computed. [2020-09-21 12:08:24,389 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 99 109) no Hoare annotation was computed. [2020-09-21 12:08:24,390 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 91 98) no Hoare annotation was computed. [2020-09-21 12:08:24,390 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 91 98) no Hoare annotation was computed. [2020-09-21 12:08:24,390 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 91 98) no Hoare annotation was computed. [2020-09-21 12:08:24,390 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 76 82) no Hoare annotation was computed. [2020-09-21 12:08:24,390 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 76 82) the Hoare annotation is: true [2020-09-21 12:08:24,390 INFO L264 CegarLoopResult]: At program point testENTRY(lines 159 222) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,390 INFO L264 CegarLoopResult]: At program point L215(lines 168 216) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:08:24,391 INFO L268 CegarLoopResult]: For program point testFINAL(lines 159 222) no Hoare annotation was computed. [2020-09-21 12:08:24,391 INFO L268 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-09-21 12:08:24,391 INFO L264 CegarLoopResult]: At program point L205-2(lines 199 210) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,391 INFO L268 CegarLoopResult]: For program point L170(lines 169 214) no Hoare annotation was computed. [2020-09-21 12:08:24,391 INFO L268 CegarLoopResult]: For program point L199(lines 199 210) no Hoare annotation was computed. [2020-09-21 12:08:24,391 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,391 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-09-21 12:08:24,392 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 195) no Hoare annotation was computed. [2020-09-21 12:08:24,392 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,392 INFO L264 CegarLoopResult]: At program point L212(lines 169 214) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,392 INFO L268 CegarLoopResult]: For program point L179(lines 179 185) no Hoare annotation was computed. [2020-09-21 12:08:24,392 INFO L268 CegarLoopResult]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2020-09-21 12:08:24,392 INFO L268 CegarLoopResult]: For program point L171(lines 171 175) no Hoare annotation was computed. [2020-09-21 12:08:24,392 INFO L268 CegarLoopResult]: For program point testEXIT(lines 159 222) no Hoare annotation was computed. [2020-09-21 12:08:24,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 673 718) no Hoare annotation was computed. [2020-09-21 12:08:24,393 INFO L268 CegarLoopResult]: For program point L693(lines 693 700) no Hoare annotation was computed. [2020-09-21 12:08:24,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 673 718) no Hoare annotation was computed. [2020-09-21 12:08:24,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 673 718) no Hoare annotation was computed. [2020-09-21 12:08:24,393 INFO L268 CegarLoopResult]: For program point L687(lines 687 707) no Hoare annotation was computed. [2020-09-21 12:08:24,393 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 707) no Hoare annotation was computed. [2020-09-21 12:08:24,393 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:08:24,393 INFO L268 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-09-21 12:08:24,394 INFO L268 CegarLoopResult]: For program point L382(lines 382 392) no Hoare annotation was computed. [2020-09-21 12:08:24,394 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:24,394 INFO L268 CegarLoopResult]: For program point L380-1(line 380) no Hoare annotation was computed. [2020-09-21 12:08:24,394 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-09-21 12:08:24,394 INFO L268 CegarLoopResult]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2020-09-21 12:08:24,394 INFO L264 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:24,395 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-09-21 12:08:24,395 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:24,395 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2020-09-21 12:08:24,395 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 814 836) no Hoare annotation was computed. [2020-09-21 12:08:24,395 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-09-21 12:08:24,395 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 814 836) no Hoare annotation was computed. [2020-09-21 12:08:24,395 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 814 836) no Hoare annotation was computed. [2020-09-21 12:08:24,396 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2020-09-21 12:08:24,396 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:24,396 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2020-09-21 12:08:24,396 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2020-09-21 12:08:24,396 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 228 237) no Hoare annotation was computed. [2020-09-21 12:08:24,396 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 228 237) no Hoare annotation was computed. [2020-09-21 12:08:24,397 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 228 237) no Hoare annotation was computed. [2020-09-21 12:08:24,397 INFO L268 CegarLoopResult]: For program point L640(lines 618 641) no Hoare annotation was computed. [2020-09-21 12:08:24,397 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 570 672) no Hoare annotation was computed. [2020-09-21 12:08:24,397 INFO L268 CegarLoopResult]: For program point L599(lines 599 615) no Hoare annotation was computed. [2020-09-21 12:08:24,397 INFO L268 CegarLoopResult]: For program point L659(lines 659 666) no Hoare annotation was computed. [2020-09-21 12:08:24,397 INFO L268 CegarLoopResult]: For program point L620(lines 619 639) no Hoare annotation was computed. [2020-09-21 12:08:24,397 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-09-21 12:08:24,397 INFO L268 CegarLoopResult]: For program point L651-1(line 651) no Hoare annotation was computed. [2020-09-21 12:08:24,398 INFO L268 CegarLoopResult]: For program point L616(lines 616 657) no Hoare annotation was computed. [2020-09-21 12:08:24,398 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 570 672) no Hoare annotation was computed. [2020-09-21 12:08:24,398 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-09-21 12:08:24,398 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-09-21 12:08:24,398 INFO L268 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-09-21 12:08:24,398 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-09-21 12:08:24,398 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 570 672) no Hoare annotation was computed. [2020-09-21 12:08:24,399 INFO L268 CegarLoopResult]: For program point L621(lines 621 625) no Hoare annotation was computed. [2020-09-21 12:08:24,399 INFO L268 CegarLoopResult]: For program point L619-2(lines 619 639) no Hoare annotation was computed. [2020-09-21 12:08:24,399 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:24,399 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)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#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~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:08:24,399 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:24,400 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 83 90) no Hoare annotation was computed. [2020-09-21 12:08:24,400 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 83 90) no Hoare annotation was computed. [2020-09-21 12:08:24,400 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 83 90) no Hoare annotation was computed. [2020-09-21 12:08:24,400 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 837 845) no Hoare annotation was computed. [2020-09-21 12:08:24,400 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 837 845) no Hoare annotation was computed. [2020-09-21 12:08:24,400 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 837 845) no Hoare annotation was computed. [2020-09-21 12:08:24,400 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-09-21 12:08:24,401 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:08:24,401 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-09-21 12:08:24,401 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:24,401 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:08:24,401 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:24,401 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 805 813) the Hoare annotation is: true [2020-09-21 12:08:24,401 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 805 813) no Hoare annotation was computed. [2020-09-21 12:08:24,402 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2020-09-21 12:08:24,402 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,402 INFO L264 CegarLoopResult]: At program point L63(lines 63 69) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,402 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:08:24,402 INFO L268 CegarLoopResult]: For program point L56(lines 55 74) no Hoare annotation was computed. [2020-09-21 12:08:24,402 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 52 75) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,402 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 52 75) no Hoare annotation was computed. [2020-09-21 12:08:24,403 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 52 75) no Hoare annotation was computed. [2020-09-21 12:08:24,403 INFO L271 CegarLoopResult]: At program point L288(lines 263 292) the Hoare annotation is: true [2020-09-21 12:08:24,403 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 263 292) no Hoare annotation was computed. [2020-09-21 12:08:24,403 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 263 292) the Hoare annotation is: true [2020-09-21 12:08:24,403 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 12:08:24,403 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-09-21 12:08:24,403 INFO L271 CegarLoopResult]: At program point L277-1(lines 277 281) the Hoare annotation is: true [2020-09-21 12:08:24,403 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-21 12:08:24,404 INFO L271 CegarLoopResult]: At program point L273-2(lines 273 287) the Hoare annotation is: true [2020-09-21 12:08:24,404 INFO L271 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: true [2020-09-21 12:08:24,404 INFO L268 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-09-21 12:08:24,404 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 769 780) the Hoare annotation is: true [2020-09-21 12:08:24,404 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2020-09-21 12:08:24,404 INFO L268 CegarLoopResult]: For program point L773-1(lines 769 780) no Hoare annotation was computed. [2020-09-21 12:08:24,404 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 317 323) no Hoare annotation was computed. [2020-09-21 12:08:24,404 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 317 323) the Hoare annotation is: true [2020-09-21 12:08:24,405 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:24,405 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2020-09-21 12:08:24,405 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:08:24,405 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:24,405 INFO L268 CegarLoopResult]: For program point L785-1(lines 781 792) no Hoare annotation was computed. [2020-09-21 12:08:24,405 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2020-09-21 12:08:24,405 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 781 792) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:24,406 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 847 854) no Hoare annotation was computed. [2020-09-21 12:08:24,406 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2020-09-21 12:08:24,406 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 847 854) the Hoare annotation is: true [2020-09-21 12:08:24,406 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 847 854) no Hoare annotation was computed. [2020-09-21 12:08:24,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:08:24 BoogieIcfgContainer [2020-09-21 12:08:24,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:08:24,428 INFO L168 Benchmark]: Toolchain (without parser) took 26319.23 ms. Allocated memory was 140.0 MB in the beginning and 508.0 MB in the end (delta: 368.1 MB). Free memory was 102.6 MB in the beginning and 246.0 MB in the end (delta: -143.4 MB). Peak memory consumption was 347.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:24,429 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:08:24,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.42 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 174.5 MB in the end (delta: -72.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:24,431 INFO L168 Benchmark]: Boogie Preprocessor took 91.18 ms. Allocated memory is still 203.9 MB. Free memory was 174.5 MB in the beginning and 170.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:24,432 INFO L168 Benchmark]: RCFGBuilder took 1235.99 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 170.4 MB in the beginning and 205.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:24,433 INFO L168 Benchmark]: TraceAbstraction took 24314.50 ms. Allocated memory was 237.0 MB in the beginning and 508.0 MB in the end (delta: 271.1 MB). Free memory was 205.0 MB in the beginning and 246.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 352.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:24,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.42 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 174.5 MB in the end (delta: -72.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.18 ms. Allocated memory is still 203.9 MB. Free memory was 174.5 MB in the beginning and 170.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1235.99 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 170.4 MB in the beginning and 205.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24314.50 ms. Allocated memory was 237.0 MB in the beginning and 508.0 MB in the end (delta: 271.1 MB). Free memory was 205.0 MB in the beginning and 246.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 352.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: 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: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(pumpRunning == 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || splverifierCounter <= 0) || !(1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 289 SDtfs, 411 SDslu, 187 SDs, 0 SdLazy, 609 SolverSat, 254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 126 PreInvPairs, 143 NumberOfFragments, 557 HoareAnnotationTreeSize, 126 FomulaSimplifications, 15604 FormulaSimplificationTreeSizeReduction, 7.3s HoareSimplificationTime, 42 FomulaSimplificationsInter, 4980 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 59316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...