/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:38:33,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:38:33,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:38:33,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:38:33,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:38:33,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:38:33,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:38:33,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:38:33,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:38:33,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:38:33,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:38:33,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:38:33,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:38:33,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:38:33,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:38:33,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:38:33,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:38:33,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:38:33,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:38:33,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:38:33,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:38:33,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:38:33,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:38:33,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:38:33,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:38:33,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:38:33,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:38:33,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:38:33,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:38:33,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:38:33,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:38:33,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:38:33,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:38:33,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:38:33,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:38:33,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:38:33,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:38:33,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:38:33,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:38:33,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:38:33,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:38:33,087 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 [2020-10-28 16:38:33,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:38:33,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:38:33,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:38:33,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:38:33,116 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:38:33,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:38:33,117 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:38:33,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:38:33,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:38:33,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:38:33,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:38:33,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:38:33,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:38:33,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:38:33,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:38:33,119 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:38:33,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:38:33,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:38:33,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:38:33,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:38:33,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:38:33,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:38:33,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:38:33,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:38:33,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:38:33,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:38:33,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:38:33,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:38:33,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:38:33,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:38:33,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:38:33,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:38:33,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:38:33,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:38:33,576 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:38:33,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-10-28 16:38:33,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e49b4508/73b8892b748c4e3fbf804f99c2e5d084/FLAG93c136cbb [2020-10-28 16:38:34,334 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:38:34,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-10-28 16:38:34,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e49b4508/73b8892b748c4e3fbf804f99c2e5d084/FLAG93c136cbb [2020-10-28 16:38:34,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e49b4508/73b8892b748c4e3fbf804f99c2e5d084 [2020-10-28 16:38:34,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:38:34,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:38:34,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:38:34,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:38:34,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:38:34,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:38:34" (1/1) ... [2020-10-28 16:38:34,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d2460a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:34, skipping insertion in model container [2020-10-28 16:38:34,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:38:34" (1/1) ... [2020-10-28 16:38:34,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:38:34,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:38:35,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:38:35,080 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:38:35,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:38:35,213 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:38:35,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35 WrapperNode [2020-10-28 16:38:35,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:38:35,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:38:35,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:38:35,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:38:35,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (1/1) ... [2020-10-28 16:38:35,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (1/1) ... [2020-10-28 16:38:35,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (1/1) ... [2020-10-28 16:38:35,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (1/1) ... [2020-10-28 16:38:35,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (1/1) ... [2020-10-28 16:38:35,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (1/1) ... [2020-10-28 16:38:35,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (1/1) ... [2020-10-28 16:38:35,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:38:35,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:38:35,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:38:35,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:38:35,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (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 [2020-10-28 16:38:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:38:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:38:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:38:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:38:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:38:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:38:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:38:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:38:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:38:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:38:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:38:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:38:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:38:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:38:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:38:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:38:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:38:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:38:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:38:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:38:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:38:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:38:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:38:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:38:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:38:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:38:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:38:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:38:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:38:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:38:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:38:35,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:38:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:38:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:38:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:38:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:38:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:38:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:38:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:38:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:38:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:38:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:38:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:38:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:38:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:38:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:38:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:38:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:38:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:38:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:38:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:38:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:38:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:38:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:38:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:38:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:38:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:38:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:38:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:38:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:38:35,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:38:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:38:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:38:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:38:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:38:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:38:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:38:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:38:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:38:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:38:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:38:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:38:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:38:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:38:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:38:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:38:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:38:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:38:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:38:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:38:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:38:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:38:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:38:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:38:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:38:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:38:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:38:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:38:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:38:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:38:36,607 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:38:36,608 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:38:36,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:38:36 BoogieIcfgContainer [2020-10-28 16:38:36,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:38:36,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:38:36,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:38:36,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:38:36,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:38:34" (1/3) ... [2020-10-28 16:38:36,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0a2f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:38:36, skipping insertion in model container [2020-10-28 16:38:36,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:35" (2/3) ... [2020-10-28 16:38:36,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0a2f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:38:36, skipping insertion in model container [2020-10-28 16:38:36,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:38:36" (3/3) ... [2020-10-28 16:38:36,620 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-10-28 16:38:36,633 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:38:36,639 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:38:36,654 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:38:36,684 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:38:36,684 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:38:36,684 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:38:36,684 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:38:36,685 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:38:36,685 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:38:36,685 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:38:36,685 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:38:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-10-28 16:38:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:38:36,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:38:36,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:38:36,725 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:38:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:38:36,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1398920060, now seen corresponding path program 1 times [2020-10-28 16:38:36,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:38:36,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730635626] [2020-10-28 16:38:36,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:38:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:37,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:39,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:39,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:42,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:42,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:38:42,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:38:42,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 16:38:42,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:42,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:38:42,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:42,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:38:42,457 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:42,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:38:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:42,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:42,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:42,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:42,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:38:42,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:42,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:42,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:42,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:38:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:42,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:42,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:42,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:42,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:42,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:42,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:38:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:42,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:42,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:42,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:42,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:42,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:42,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:42,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:42,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:38:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:42,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:42,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:42,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:42,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:42,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:42,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:42,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:38:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:42,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:42,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:42,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:42,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:42,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:42,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:42,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:38:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:42,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:42,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:42,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:42,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:42,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:42,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:38:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:42,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:42,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:42,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:42,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:42,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:42,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:42,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:38:42,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730635626] [2020-10-28 16:38:42,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:38:42,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:38:42,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303361176] [2020-10-28 16:38:42,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:38:42,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:38:42,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:38:42,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:38:42,605 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-10-28 16:38:43,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:38:43,893 INFO L93 Difference]: Finished difference Result 265 states and 352 transitions. [2020-10-28 16:38:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:38:43,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:38:43,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:38:43,909 INFO L225 Difference]: With dead ends: 265 [2020-10-28 16:38:43,909 INFO L226 Difference]: Without dead ends: 143 [2020-10-28 16:38:43,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:38:43,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-28 16:38:44,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 110. [2020-10-28 16:38:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 16:38:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-10-28 16:38:44,013 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 47 [2020-10-28 16:38:44,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:38:44,013 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-10-28 16:38:44,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:38:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-10-28 16:38:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:38:44,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:38:44,019 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] [2020-10-28 16:38:44,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:38:44,021 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:38:44,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:38:44,022 INFO L82 PathProgramCache]: Analyzing trace with hash 108668232, now seen corresponding path program 1 times [2020-10-28 16:38:44,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:38:44,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341230667] [2020-10-28 16:38:44,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:38:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:44,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:44,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:44,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:46,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:46,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:49,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:49,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:38:49,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:38:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 16:38:49,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:49,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:49,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:38:49,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:38:49,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:49,439 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:49,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:38:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:49,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:49,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:49,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:49,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:49,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:38:49,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:49,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:49,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:49,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:38:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:49,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:49,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:49,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:49,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:49,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:49,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:49,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:49,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:49,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:38:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:49,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:49,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:49,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:49,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:49,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:49,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:38:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:49,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:49,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:49,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:49,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:49,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:49,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:49,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:38:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:49,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:49,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:49,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:49,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:49,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:49,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:49,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:49,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:49,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:38:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:49,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:49,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:49,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:49,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:49,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:38:49,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:49,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:49,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:49,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:49,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:49,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:49,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:38:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:49,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:49,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:49,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:49,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:49,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:49,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:38:49,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341230667] [2020-10-28 16:38:49,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:38:49,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:38:49,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927011540] [2020-10-28 16:38:49,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:38:49,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:38:49,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:38:49,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:38:49,574 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-10-28 16:38:50,207 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:38:50,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:38:50,994 INFO L93 Difference]: Finished difference Result 185 states and 227 transitions. [2020-10-28 16:38:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:38:50,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:38:50,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:38:50,998 INFO L225 Difference]: With dead ends: 185 [2020-10-28 16:38:50,998 INFO L226 Difference]: Without dead ends: 127 [2020-10-28 16:38:51,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:38:51,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-28 16:38:51,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 101. [2020-10-28 16:38:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-28 16:38:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-10-28 16:38:51,045 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 48 [2020-10-28 16:38:51,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:38:51,046 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-10-28 16:38:51,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:38:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-10-28 16:38:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:38:51,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:38:51,048 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] [2020-10-28 16:38:51,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:38:51,049 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:38:51,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:38:51,050 INFO L82 PathProgramCache]: Analyzing trace with hash -143425144, now seen corresponding path program 1 times [2020-10-28 16:38:51,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:38:51,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800222972] [2020-10-28 16:38:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:38:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:51,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:51,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:52,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:52,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:52,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:38:52,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:38:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1886 [2020-10-28 16:38:52,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:52,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:38:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:38:52,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:53,336 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:53,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:38:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:53,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:53,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:53,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:53,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:53,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 16:38:53,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:53,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:38:53,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:53,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:38:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:53,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:53,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:53,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:53,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:53,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:53,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:53,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:38:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:38:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:53,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:53,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:53,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:53,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:53,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:53,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:38:53,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:38:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:53,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:53,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:53,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:53,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:38:53,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:53,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:38:53,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:53,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:38:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:53,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:53,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:53,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:53,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:53,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:53,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:53,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:38:53,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:53,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:38:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:53,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:53,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:53,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:53,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:53,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:53,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:53,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:53,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:38:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:53,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:53,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:53,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:53,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:53,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:53,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:53,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:53,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:38:53,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800222972] [2020-10-28 16:38:53,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:38:53,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:38:53,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491589478] [2020-10-28 16:38:53,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:38:53,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:38:53,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:38:53,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:38:53,476 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 5 states. [2020-10-28 16:38:53,930 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:38:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:38:55,636 INFO L93 Difference]: Finished difference Result 291 states and 361 transitions. [2020-10-28 16:38:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:38:55,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:38:55,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:38:55,640 INFO L225 Difference]: With dead ends: 291 [2020-10-28 16:38:55,640 INFO L226 Difference]: Without dead ends: 214 [2020-10-28 16:38:55,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:38:55,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-28 16:38:55,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 167. [2020-10-28 16:38:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-28 16:38:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 200 transitions. [2020-10-28 16:38:55,712 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 200 transitions. Word has length 53 [2020-10-28 16:38:55,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:38:55,712 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 200 transitions. [2020-10-28 16:38:55,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:38:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 200 transitions. [2020-10-28 16:38:55,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:38:55,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:38:55,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:38:55,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:38:55,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:38:55,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:38:55,716 INFO L82 PathProgramCache]: Analyzing trace with hash 913253116, now seen corresponding path program 1 times [2020-10-28 16:38:55,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:38:55,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81158343] [2020-10-28 16:38:55,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:38:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:55,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:56,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:57,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:58,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:58,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:38:58,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:38:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3210 [2020-10-28 16:38:58,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:58,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:38:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:38:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:38:58,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,386 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:59,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:38:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:59,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:59,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:59,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:59,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:38:59,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:59,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:38:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:59,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:59,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:59,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:59,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:38:59,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:59,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:59,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:59,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:59,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:38:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:59,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:59,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:59,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:59,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:38:59,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:59,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:59,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:59,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:59,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:38:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:59,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:59,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:59,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:59,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:59,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:59,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:59,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:59,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:38:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:59,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:59,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:59,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:59,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:59,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:59,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:59,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:59,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:59,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:59,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:59,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:38:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:59,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:59,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:38:59,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:59,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:38:59,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:59,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:38:59,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:38:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:59,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:59,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:59,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:59,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:59,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:38:59,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:59,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:38:59,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:38:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:59,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:59,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:59,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:59,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:38:59,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:59,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:38:59,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:59,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:38:59,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:38:59,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81158343] [2020-10-28 16:38:59,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:38:59,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:38:59,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137696701] [2020-10-28 16:38:59,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:38:59,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:38:59,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:38:59,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:38:59,552 INFO L87 Difference]: Start difference. First operand 167 states and 200 transitions. Second operand 8 states. [2020-10-28 16:39:00,081 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:01,179 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:39:01,595 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:39:01,972 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:39:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:02,298 INFO L93 Difference]: Finished difference Result 306 states and 393 transitions. [2020-10-28 16:39:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:39:02,299 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 16:39:02,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:02,300 INFO L225 Difference]: With dead ends: 306 [2020-10-28 16:39:02,300 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:39:02,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:39:02,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:39:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:39:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:39:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:39:02,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-28 16:39:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:02,305 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:39:02,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:39:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:39:02,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:39:02,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:39:02,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:39:04,464 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:39:04,935 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:39:05,203 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:05,497 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:05,742 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:06,010 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:06,245 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:06,540 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:06,809 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 10 [2020-10-28 16:39:07,122 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:07,650 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:39:07,968 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:08,478 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:39:08,773 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:09,282 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:39:09,778 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:39:10,049 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:10,320 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:10,601 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:10,884 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:11,393 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:39:11,647 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:11,904 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:12,429 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:39:12,447 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:39:12,447 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:39:12,447 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:39:12,448 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:39:12,448 INFO L274 CegarLoopResult]: For program point L380(lines 357 381) no Hoare annotation was computed. [2020-10-28 16:39:12,448 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 333 388) no Hoare annotation was computed. [2020-10-28 16:39:12,448 INFO L274 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-10-28 16:39:12,448 INFO L274 CegarLoopResult]: For program point L364-1(lines 364 368) no Hoare annotation was computed. [2020-10-28 16:39:12,448 INFO L274 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-10-28 16:39:12,448 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 333 388) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point L358-2(lines 358 379) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 333 388) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point L415-2(lines 415 440) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point L441(lines 414 442) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 389 448) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point L434-1(line 434) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 389 448) no Hoare annotation was computed. [2020-10-28 16:39:12,449 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 389 448) no Hoare annotation was computed. [2020-10-28 16:39:12,450 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-10-28 16:39:12,450 INFO L274 CegarLoopResult]: For program point L421-1(lines 421 425) no Hoare annotation was computed. [2020-10-28 16:39:12,450 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 668 674) the Hoare annotation is: true [2020-10-28 16:39:12,455 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 668 674) no Hoare annotation was computed. [2020-10-28 16:39:12,456 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 675 683) no Hoare annotation was computed. [2020-10-28 16:39:12,456 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 675 683) the Hoare annotation is: true [2020-10-28 16:39:12,456 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 675 683) no Hoare annotation was computed. [2020-10-28 16:39:12,456 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 766 788) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:12,456 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 766 788) no Hoare annotation was computed. [2020-10-28 16:39:12,456 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 766 788) no Hoare annotation was computed. [2020-10-28 16:39:12,456 INFO L270 CegarLoopResult]: At program point L778(line 778) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:12,457 INFO L270 CegarLoopResult]: At program point L778-1(line 778) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:12,457 INFO L274 CegarLoopResult]: For program point L776(lines 776 783) no Hoare annotation was computed. [2020-10-28 16:39:12,460 INFO L274 CegarLoopResult]: For program point L776-1(lines 776 783) no Hoare annotation was computed. [2020-10-28 16:39:12,460 INFO L274 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-28 16:39:12,460 INFO L270 CegarLoopResult]: At program point L773(line 773) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:12,460 INFO L270 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:12,460 INFO L270 CegarLoopResult]: At program point L772-1(line 772) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:12,460 INFO L274 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-10-28 16:39:12,460 INFO L274 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 725 748) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point L735(line 735) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 725 748) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 725 748) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-10-28 16:39:12,461 INFO L274 CegarLoopResult]: For program point L730(line 730) no Hoare annotation was computed. [2020-10-28 16:39:12,462 INFO L274 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-10-28 16:39:12,462 INFO L274 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-10-28 16:39:12,462 INFO L274 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-10-28 16:39:12,462 INFO L274 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-10-28 16:39:12,463 INFO L274 CegarLoopResult]: For program point L739(line 739) no Hoare annotation was computed. [2020-10-28 16:39:12,463 INFO L274 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-10-28 16:39:12,463 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 257 271) no Hoare annotation was computed. [2020-10-28 16:39:12,463 INFO L270 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,464 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 257 271) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,464 INFO L274 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-10-28 16:39:12,464 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 257 271) no Hoare annotation was computed. [2020-10-28 16:39:12,464 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2020-10-28 16:39:12,464 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2020-10-28 16:39:12,464 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2020-10-28 16:39:12,464 INFO L274 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-10-28 16:39:12,464 INFO L274 CegarLoopResult]: For program point L251-1(line 251) no Hoare annotation was computed. [2020-10-28 16:39:12,464 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 221 256) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 221 256) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 221 256) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 661 667) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 661 667) the Hoare annotation is: true [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 287 332) no Hoare annotation was computed. [2020-10-28 16:39:12,465 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 287 332) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 287 332) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 600 645) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point L631(lines 631 632) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point L624(lines 624 625) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 624 625) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 631 632) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point L620(lines 620 627) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 600 645) no Hoare annotation was computed. [2020-10-28 16:39:12,466 INFO L274 CegarLoopResult]: For program point L614(lines 614 634) no Hoare annotation was computed. [2020-10-28 16:39:12,467 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 600 645) no Hoare annotation was computed. [2020-10-28 16:39:12,467 INFO L274 CegarLoopResult]: For program point L614-1(lines 614 634) no Hoare annotation was computed. [2020-10-28 16:39:12,467 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 756 765) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:12,467 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 756 765) no Hoare annotation was computed. [2020-10-28 16:39:12,467 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 756 765) no Hoare annotation was computed. [2020-10-28 16:39:12,467 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 201 211) the Hoare annotation is: true [2020-10-28 16:39:12,467 INFO L277 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: true [2020-10-28 16:39:12,467 INFO L274 CegarLoopResult]: For program point L206-1(line 206) no Hoare annotation was computed. [2020-10-28 16:39:12,467 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2020-10-28 16:39:12,468 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 201 211) no Hoare annotation was computed. [2020-10-28 16:39:12,468 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2020-10-28 16:39:12,468 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-10-28 16:39:12,469 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-10-28 16:39:12,469 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 160 184) no Hoare annotation was computed. [2020-10-28 16:39:12,469 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 160 184) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:39:12,469 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:39:12,469 INFO L274 CegarLoopResult]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2020-10-28 16:39:12,469 INFO L270 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,469 INFO L270 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,469 INFO L274 CegarLoopResult]: For program point L168(lines 168 176) no Hoare annotation was computed. [2020-10-28 16:39:12,470 INFO L270 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,470 INFO L274 CegarLoopResult]: For program point L166-1(line 166) no Hoare annotation was computed. [2020-10-28 16:39:12,470 INFO L274 CegarLoopResult]: For program point L164(lines 164 181) no Hoare annotation was computed. [2020-10-28 16:39:12,470 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2020-10-28 16:39:12,470 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2020-10-28 16:39:12,470 INFO L270 CegarLoopResult]: At program point testENTRY(lines 48 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:12,470 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-10-28 16:39:12,470 INFO L274 CegarLoopResult]: For program point testFINAL(lines 48 115) no Hoare annotation was computed. [2020-10-28 16:39:12,470 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,471 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,471 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-10-28 16:39:12,471 INFO L270 CegarLoopResult]: At program point L96-1(lines 88 103) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,471 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-10-28 16:39:12,471 INFO L270 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,471 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-10-28 16:39:12,471 INFO L270 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,472 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-10-28 16:39:12,472 INFO L274 CegarLoopResult]: For program point L78-1(lines 78 84) no Hoare annotation was computed. [2020-10-28 16:39:12,472 INFO L270 CegarLoopResult]: At program point L105(lines 58 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,472 INFO L270 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,472 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-10-28 16:39:12,472 INFO L274 CegarLoopResult]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2020-10-28 16:39:12,472 INFO L274 CegarLoopResult]: For program point testEXIT(lines 48 115) no Hoare annotation was computed. [2020-10-28 16:39:12,472 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 578 579) no Hoare annotation was computed. [2020-10-28 16:39:12,472 INFO L274 CegarLoopResult]: For program point L574(lines 574 581) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 585 586) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 554 599) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point L568(lines 568 588) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point L568-1(lines 568 588) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 554 599) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 554 599) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point L585(lines 585 586) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point L578(lines 578 579) no Hoare annotation was computed. [2020-10-28 16:39:12,473 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 864 886) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point L872(lines 872 880) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 864 886) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 864 886) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 451 553) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point L539(lines 539 550) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point L502(lines 502 506) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 520) no Hoare annotation was computed. [2020-10-28 16:39:12,474 INFO L274 CegarLoopResult]: For program point L521(lines 499 522) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 451 553) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point L480(lines 480 496) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point L540(lines 540 547) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point L501(lines 500 520) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point L532-1(line 532) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 451 553) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point L497(lines 497 538) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-28 16:39:12,475 INFO L274 CegarLoopResult]: For program point L516-1(line 516) no Hoare annotation was computed. [2020-10-28 16:39:12,476 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 651 660) no Hoare annotation was computed. [2020-10-28 16:39:12,476 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 651 660) no Hoare annotation was computed. [2020-10-28 16:39:12,476 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 651 660) no Hoare annotation was computed. [2020-10-28 16:39:12,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:12,476 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.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~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:39:12,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 185 192) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 185 192) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 887 895) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-10-28 16:39:12,477 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:12,478 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:39:12,478 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:12,478 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,479 INFO L270 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,479 INFO L270 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,479 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2020-10-28 16:39:12,479 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2020-10-28 16:39:12,479 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:12,479 INFO L274 CegarLoopResult]: For program point L132(lines 131 150) no Hoare annotation was computed. [2020-10-28 16:39:12,479 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 695 724) no Hoare annotation was computed. [2020-10-28 16:39:12,479 INFO L277 CegarLoopResult]: At program point L705-2(lines 705 719) the Hoare annotation is: true [2020-10-28 16:39:12,480 INFO L277 CegarLoopResult]: At program point L701(line 701) the Hoare annotation is: true [2020-10-28 16:39:12,480 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 695 724) the Hoare annotation is: true [2020-10-28 16:39:12,480 INFO L274 CegarLoopResult]: For program point L701-1(line 701) no Hoare annotation was computed. [2020-10-28 16:39:12,480 INFO L277 CegarLoopResult]: At program point L720(lines 695 724) the Hoare annotation is: true [2020-10-28 16:39:12,480 INFO L274 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-10-28 16:39:12,480 INFO L274 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-10-28 16:39:12,480 INFO L277 CegarLoopResult]: At program point L709-1(lines 709 713) the Hoare annotation is: true [2020-10-28 16:39:12,480 INFO L274 CegarLoopResult]: For program point L706(line 706) no Hoare annotation was computed. [2020-10-28 16:39:12,480 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2020-10-28 16:39:12,480 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2020-10-28 16:39:12,481 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2020-10-28 16:39:12,481 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: true [2020-10-28 16:39:12,481 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2020-10-28 16:39:12,481 INFO L274 CegarLoopResult]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2020-10-28 16:39:12,481 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 749 755) no Hoare annotation was computed. [2020-10-28 16:39:12,482 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 749 755) the Hoare annotation is: true [2020-10-28 16:39:12,482 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:12,482 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 16:39:12,482 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:39:12,482 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:12,482 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 272 279) no Hoare annotation was computed. [2020-10-28 16:39:12,482 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 272 279) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,483 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 272 279) no Hoare annotation was computed. [2020-10-28 16:39:12,483 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2020-10-28 16:39:12,483 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,484 INFO L274 CegarLoopResult]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2020-10-28 16:39:12,484 INFO L274 CegarLoopResult]: For program point L689(line 689) no Hoare annotation was computed. [2020-10-28 16:39:12,484 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 685 692) no Hoare annotation was computed. [2020-10-28 16:39:12,484 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 685 692) the Hoare annotation is: true [2020-10-28 16:39:12,484 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 685 692) no Hoare annotation was computed. [2020-10-28 16:39:12,484 INFO L277 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: true [2020-10-28 16:39:12,484 INFO L274 CegarLoopResult]: For program point L800-1(line 800) no Hoare annotation was computed. [2020-10-28 16:39:12,484 INFO L274 CegarLoopResult]: For program point L798(lines 798 811) no Hoare annotation was computed. [2020-10-28 16:39:12,485 INFO L274 CegarLoopResult]: For program point L798-1(lines 790 814) no Hoare annotation was computed. [2020-10-28 16:39:12,485 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 790 814) the Hoare annotation is: true [2020-10-28 16:39:12,485 INFO L277 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: true [2020-10-28 16:39:12,485 INFO L274 CegarLoopResult]: For program point L796-1(line 796) no Hoare annotation was computed. [2020-10-28 16:39:12,485 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 790 814) no Hoare annotation was computed. [2020-10-28 16:39:12,485 INFO L270 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:12,485 INFO L274 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-10-28 16:39:12,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:39:12 BoogieIcfgContainer [2020-10-28 16:39:12,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:39:12,520 INFO L168 Benchmark]: Toolchain (without parser) took 37833.43 ms. Allocated memory was 158.3 MB in the beginning and 602.9 MB in the end (delta: 444.6 MB). Free memory was 134.3 MB in the beginning and 331.3 MB in the end (delta: -197.1 MB). Peak memory consumption was 362.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:12,521 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory was 102.5 MB in the beginning and 102.4 MB in the end (delta: 71.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:39:12,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.38 ms. Allocated memory is still 158.3 MB. Free memory was 133.7 MB in the beginning and 113.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:12,526 INFO L168 Benchmark]: Boogie Preprocessor took 119.09 ms. Allocated memory is still 158.3 MB. Free memory was 113.3 MB in the beginning and 109.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:12,528 INFO L168 Benchmark]: RCFGBuilder took 1273.90 ms. Allocated memory is still 158.3 MB. Free memory was 109.5 MB in the beginning and 99.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:12,530 INFO L168 Benchmark]: TraceAbstraction took 35905.15 ms. Allocated memory was 158.3 MB in the beginning and 602.9 MB in the end (delta: 444.6 MB). Free memory was 99.3 MB in the beginning and 331.3 MB in the end (delta: -232.0 MB). Peak memory consumption was 326.4 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:12,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory was 102.5 MB in the beginning and 102.4 MB in the end (delta: 71.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 517.38 ms. Allocated memory is still 158.3 MB. Free memory was 133.7 MB in the beginning and 113.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 119.09 ms. Allocated memory is still 158.3 MB. Free memory was 113.3 MB in the beginning and 109.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1273.90 ms. Allocated memory is still 158.3 MB. Free memory was 109.5 MB in the beginning and 99.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 35905.15 ms. Allocated memory was 158.3 MB in the beginning and 602.9 MB in the end (delta: 444.6 MB). Free memory was 99.3 MB in the beginning and 331.3 MB in the end (delta: -232.0 MB). Peak memory consumption was 326.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 585]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 624]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 631]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 226 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 392 SDtfs, 514 SDslu, 160 SDs, 0 SdLazy, 773 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=3, 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, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 244 PreInvPairs, 277 NumberOfFragments, 771 HoareAnnotationTreeSize, 244 FomulaSimplifications, 16782 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 8835 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 59140 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...