/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_spec3_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:55:05,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:55:05,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:55:05,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:55:05,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:55:05,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:55:05,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:55:05,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:55:05,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:55:05,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:55:05,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:55:05,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:55:05,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:55:05,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:55:05,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:55:05,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:55:05,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:55:05,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:55:05,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:55:05,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:55:05,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:55:05,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:55:05,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:55:05,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:55:05,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:55:05,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:55:05,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:55:05,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:55:05,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:55:05,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:55:05,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:55:05,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:55:05,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:55:05,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:55:05,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:55:05,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:55:05,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:55:05,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:55:05,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:55:05,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:55:05,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:55:05,384 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 16:55:05,410 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:55:05,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:55:05,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:55:05,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:55:05,412 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:55:05,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:55:05,413 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:55:05,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:55:05,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:55:05,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:55:05,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:55:05,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:55:05,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:55:05,415 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:55:05,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:55:05,415 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:55:05,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:55:05,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:55:05,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:55:05,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:55:05,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:55:05,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:55:05,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:55:05,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:55:05,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:55:05,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:55:05,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:55:05,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:55:05,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:55:05,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:55:05,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:55:05,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:55:05,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:55:05,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:55:05,924 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:55:05,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c [2020-10-28 16:55:06,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/098f36b71/6c7fdb53847346d3badf273e85539f8d/FLAG5db4ab671 [2020-10-28 16:55:06,650 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:55:06,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c [2020-10-28 16:55:06,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/098f36b71/6c7fdb53847346d3badf273e85539f8d/FLAG5db4ab671 [2020-10-28 16:55:06,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/098f36b71/6c7fdb53847346d3badf273e85539f8d [2020-10-28 16:55:06,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:55:06,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:55:06,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:55:06,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:55:06,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:55:06,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:55:06" (1/1) ... [2020-10-28 16:55:06,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd8fcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:06, skipping insertion in model container [2020-10-28 16:55:06,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:55:06" (1/1) ... [2020-10-28 16:55:06,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:55:07,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:55:07,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:55:07,458 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:55:07,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:55:07,677 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:55:07,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07 WrapperNode [2020-10-28 16:55:07,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:55:07,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:55:07,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:55:07,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:55:07,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (1/1) ... [2020-10-28 16:55:07,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (1/1) ... [2020-10-28 16:55:07,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (1/1) ... [2020-10-28 16:55:07,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (1/1) ... [2020-10-28 16:55:07,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (1/1) ... [2020-10-28 16:55:07,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (1/1) ... [2020-10-28 16:55:07,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (1/1) ... [2020-10-28 16:55:07,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:55:07,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:55:07,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:55:07,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:55:07,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (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 16:55:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:55:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:55:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:55:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:55:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:55:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:55:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:55:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:55:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:55:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:55:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:55:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:55:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:55:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:55:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:55:07,972 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:55:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:55:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:55:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:55:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:55:07,977 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:55:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:55:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:55:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:55:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:55:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:55:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:55:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:55:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:55:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:55:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:55:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:55:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:55:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:55:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:55:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:55:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:55:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:55:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:55:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-28 16:55:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:55:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:55:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:55:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:55:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:55:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:55:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:55:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:55:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:55:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:55:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:55:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:55:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:55:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:55:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:55:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:55:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:55:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:55:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:55:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:55:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:55:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:55:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:55:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:55:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:55:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:55:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:55:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:55:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:55:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:55:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:55:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:55:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:55:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-28 16:55:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:55:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:55:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:55:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:55:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:55:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:55:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:55:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:55:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:55:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:55:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:55:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:55:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:55:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:55:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:55:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:55:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:55:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:55:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:55:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:55:09,372 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:55:09,372 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:55:09,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:55:09 BoogieIcfgContainer [2020-10-28 16:55:09,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:55:09,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:55:09,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:55:09,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:55:09,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:55:06" (1/3) ... [2020-10-28 16:55:09,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f103bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:55:09, skipping insertion in model container [2020-10-28 16:55:09,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:55:07" (2/3) ... [2020-10-28 16:55:09,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f103bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:55:09, skipping insertion in model container [2020-10-28 16:55:09,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:55:09" (3/3) ... [2020-10-28 16:55:09,390 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c [2020-10-28 16:55:09,405 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:55:09,410 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:55:09,425 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:55:09,451 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:55:09,452 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:55:09,452 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:55:09,452 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:55:09,452 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:55:09,452 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:55:09,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:55:09,453 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:55:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-10-28 16:55:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:55:09,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:09,511 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 16:55:09,512 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 16:55:09,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:09,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1797597513, now seen corresponding path program 1 times [2020-10-28 16:55:09,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:09,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1920169593] [2020-10-28 16:55:09,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:09,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:10,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:10,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:12,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:12,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:55:12,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:55:12,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3037 [2020-10-28 16:55:12,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:12,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:12,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:55:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:12,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 16:55:13,383 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:13,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:13,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:13,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:13,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:13,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:13,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 16:55:13,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:13,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:13,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:13,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:13,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:13,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:13,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:13,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:13,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:13,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:13,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:13,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:13,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:13,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:13,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:13,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:13,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:13,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:13,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:13,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:13,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:13,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:13,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:13,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:13,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:13,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:13,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:13,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:13,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:13,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:13,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:13,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:13,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:13,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:13,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:13,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:13,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:13,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:55:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:13,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:13,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:13,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:13,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:13,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:55:13,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:13,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:55:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:13,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:13,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:13,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:13,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:13,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:13,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:13,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:55:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:13,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:13,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:13,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:13,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:13,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:55:13,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:13,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:13,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:13,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:13,589 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 16:55:13,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1920169593] [2020-10-28 16:55:13,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:13,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:55:13,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601165369] [2020-10-28 16:55:13,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:55:13,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:13,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:55:13,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:55:13,619 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 3 states. [2020-10-28 16:55:14,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:14,917 INFO L93 Difference]: Finished difference Result 295 states and 384 transitions. [2020-10-28 16:55:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:55:14,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-28 16:55:14,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:14,934 INFO L225 Difference]: With dead ends: 295 [2020-10-28 16:55:14,934 INFO L226 Difference]: Without dead ends: 158 [2020-10-28 16:55:14,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:55:14,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-28 16:55:15,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 125. [2020-10-28 16:55:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-28 16:55:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2020-10-28 16:55:15,039 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2020-10-28 16:55:15,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:15,040 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2020-10-28 16:55:15,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:55:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2020-10-28 16:55:15,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 16:55:15,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:15,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:15,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:55:15,044 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 16:55:15,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:15,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1191706683, now seen corresponding path program 1 times [2020-10-28 16:55:15,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:15,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332872508] [2020-10-28 16:55:15,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:15,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:15,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:15,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 16:55:18,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:55:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3199 [2020-10-28 16:55:18,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:55:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:55:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:18,748 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:18,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:18,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 16:55:18,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:18,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:18,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:18,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:18,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:18,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:18,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:18,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:18,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:18,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:18,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:18,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:18,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:18,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:18,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:18,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:18,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:18,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:18,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:18,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:18,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:18,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:18,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:18,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:18,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:55:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:18,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:18,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:18,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:18,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:18,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:18,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:55:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:18,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:18,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:18,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:18,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:18,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:18,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 16:55:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:18,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:18,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:18,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:18,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:18,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:18,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:18,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:18,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:18,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:18,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:18,873 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 16:55:18,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332872508] [2020-10-28 16:55:18,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:18,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:55:18,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075011680] [2020-10-28 16:55:18,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:55:18,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:18,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:55:18,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:55:18,883 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 4 states. [2020-10-28 16:55:19,559 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:55:20,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:20,577 INFO L93 Difference]: Finished difference Result 212 states and 257 transitions. [2020-10-28 16:55:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:55:20,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-28 16:55:20,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:20,581 INFO L225 Difference]: With dead ends: 212 [2020-10-28 16:55:20,583 INFO L226 Difference]: Without dead ends: 142 [2020-10-28 16:55:20,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:55:20,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-28 16:55:20,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 116. [2020-10-28 16:55:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-28 16:55:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2020-10-28 16:55:20,646 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 54 [2020-10-28 16:55:20,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:20,647 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2020-10-28 16:55:20,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:55:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2020-10-28 16:55:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-28 16:55:20,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:20,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:20,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:55:20,651 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 16:55:20,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:20,651 INFO L82 PathProgramCache]: Analyzing trace with hash -2044905108, now seen corresponding path program 1 times [2020-10-28 16:55:20,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:20,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467305922] [2020-10-28 16:55:20,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:21,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 16:55:22,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:55:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1530 [2020-10-28 16:55:22,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:55:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:55:22,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,670 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:22,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:22,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:22,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-28 16:55:22,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:55:22,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:22,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:22,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:22,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:22,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:22,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:22,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:22,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:22,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:22,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:22,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:22,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:22,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:55:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:22,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:22,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:22,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:22,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:55:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:22,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:22,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:22,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 16:55:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:22,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:22,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:22,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:22,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:22,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:22,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:22,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:22,874 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 16:55:22,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467305922] [2020-10-28 16:55:22,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:22,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:55:22,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466901749] [2020-10-28 16:55:22,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:55:22,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:22,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:55:22,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:55:22,877 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand 5 states. [2020-10-28 16:55:23,354 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:55:25,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:25,170 INFO L93 Difference]: Finished difference Result 336 states and 409 transitions. [2020-10-28 16:55:25,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:55:25,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-28 16:55:25,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:25,175 INFO L225 Difference]: With dead ends: 336 [2020-10-28 16:55:25,175 INFO L226 Difference]: Without dead ends: 244 [2020-10-28 16:55:25,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:55:25,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-28 16:55:25,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 191. [2020-10-28 16:55:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-28 16:55:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 224 transitions. [2020-10-28 16:55:25,250 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 224 transitions. Word has length 59 [2020-10-28 16:55:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:25,250 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 224 transitions. [2020-10-28 16:55:25,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:55:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 224 transitions. [2020-10-28 16:55:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 16:55:25,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:25,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:25,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:55:25,254 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 16:55:25,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:25,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1111223904, now seen corresponding path program 1 times [2020-10-28 16:55:25,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:25,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312608966] [2020-10-28 16:55:25,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:25,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:26,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:26,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 16:55:26,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-10-28 16:55:26,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:26,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-28 16:55:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:26,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 16:55:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:26,780 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:55:26,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:55:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:26,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:26,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:26,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 16:55:26,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:26,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:55:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:26,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:55:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:26,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:26,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:26,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:26,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:26,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:26,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:26,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:55:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:26,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:26,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:26,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:26,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:26,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:26,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:26,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:55:26,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:55:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:26,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:26,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:26,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:26,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:26,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:55:26,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:26,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:26,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:26,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:26,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:26,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:55:26,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:55:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:26,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:26,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:26,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:55:26,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:26,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:55:26,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:26,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:55:26,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:27,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:55:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:27,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:27,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:27,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:55:27,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:27,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:55:27,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:27,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:55:27,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:27,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:55:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:27,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:27,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:27,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:27,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:27,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:27,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:27,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:55:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:27,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:55:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:27,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:27,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:27,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:27,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:55:27,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:27,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:55:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:55:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:55:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:27,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 16:55:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:55:27,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:55:27,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:55:27,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:55:27,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:55:27,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:55:27,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:55:27,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:55:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:55:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:55:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:55:27,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:55:27,070 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 16:55:27,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312608966] [2020-10-28 16:55:27,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:55:27,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 16:55:27,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499429734] [2020-10-28 16:55:27,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 16:55:27,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:55:27,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 16:55:27,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 16:55:27,074 INFO L87 Difference]: Start difference. First operand 191 states and 224 transitions. Second operand 9 states. [2020-10-28 16:55:27,629 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:55:29,498 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:55:29,981 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:55:30,413 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:55:30,847 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:55:31,477 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:55:32,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:55:32,520 INFO L93 Difference]: Finished difference Result 605 states and 813 transitions. [2020-10-28 16:55:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:55:32,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-28 16:55:32,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:55:32,529 INFO L225 Difference]: With dead ends: 605 [2020-10-28 16:55:32,529 INFO L226 Difference]: Without dead ends: 438 [2020-10-28 16:55:32,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-28 16:55:32,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-28 16:55:32,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 346. [2020-10-28 16:55:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-28 16:55:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 417 transitions. [2020-10-28 16:55:32,657 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 417 transitions. Word has length 64 [2020-10-28 16:55:32,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:55:32,658 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 417 transitions. [2020-10-28 16:55:32,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 16:55:32,658 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 417 transitions. [2020-10-28 16:55:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-28 16:55:32,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:55:32,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:55:32,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:55:32,661 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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 16:55:32,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:55:32,662 INFO L82 PathProgramCache]: Analyzing trace with hash -61686502, now seen corresponding path program 1 times [2020-10-28 16:55:32,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:55:32,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414341659] [2020-10-28 16:55:32,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:55:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 16:55:32,726 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 16:55:32,727 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 16:55:32,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:55:32,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:55:32 BoogieIcfgContainer [2020-10-28 16:55:32,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:55:32,758 INFO L168 Benchmark]: Toolchain (without parser) took 25787.96 ms. Allocated memory was 162.5 MB in the beginning and 481.3 MB in the end (delta: 318.8 MB). Free memory was 136.8 MB in the beginning and 445.1 MB in the end (delta: -308.2 MB). Peak memory consumption was 286.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:55:32,759 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 162.5 MB. Free memory is still 134.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:55:32,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.22 ms. Allocated memory is still 162.5 MB. Free memory was 136.2 MB in the beginning and 115.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:55:32,760 INFO L168 Benchmark]: Boogie Preprocessor took 156.64 ms. Allocated memory is still 162.5 MB. Free memory was 115.4 MB in the beginning and 111.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:55:32,761 INFO L168 Benchmark]: RCFGBuilder took 1541.25 ms. Allocated memory is still 162.5 MB. Free memory was 111.4 MB in the beginning and 58.9 MB in the end (delta: 52.5 MB). Peak memory consumption was 53.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:55:32,762 INFO L168 Benchmark]: TraceAbstraction took 23374.52 ms. Allocated memory was 162.5 MB in the beginning and 481.3 MB in the end (delta: 318.8 MB). Free memory was 58.3 MB in the beginning and 445.1 MB in the end (delta: -386.7 MB). Peak memory consumption was 206.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:55:32,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 162.5 MB. Free memory is still 134.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 702.22 ms. Allocated memory is still 162.5 MB. Free memory was 136.2 MB in the beginning and 115.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 156.64 ms. Allocated memory is still 162.5 MB. Free memory was 115.4 MB in the beginning and 111.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1541.25 ms. Allocated memory is still 162.5 MB. Free memory was 111.4 MB in the beginning and 58.9 MB in the end (delta: 52.5 MB). Peak memory consumption was 53.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23374.52 ms. Allocated memory was 162.5 MB in the beginning and 481.3 MB in the end (delta: 318.8 MB). Free memory was 58.3 MB in the beginning and 445.1 MB in the end (delta: -386.7 MB). Peak memory consumption was 206.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L428] int pumpRunning = 0; [L429] int systemActive = 1; [L677] int waterLevel = 1; [L678] int methaneLevelCritical = 0; [L771] int cleanupTimeShifts = 4; [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L838] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp) [L629] CALL waterRise() [L695] COND TRUE waterLevel < 2 [L696] waterLevel = waterLevel + 1 [L629] RET waterRise() [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND FALSE !(\read(tmp___2)) [L653] tmp___1 = __VERIFIER_nondet_int() [L655] COND TRUE \read(tmp___1) [L657] CALL stopSystem() [L584] COND FALSE !(\read(pumpRunning)) [L591] systemActive = 0 [L657] RET stopSystem() [L664] CALL timeShift() [L436] COND FALSE !(\read(pumpRunning)) [L443] COND FALSE !(\read(systemActive)) [L451] CALL __utac_acc__Specification3_spec__1() [L906] int tmp ; [L907] int tmp___0 ; [L908] int tmp___1 ; [L912] CALL, EXPR isMethaneLevelCritical() [L716] int retValue_acc ; [L719] retValue_acc = methaneLevelCritical [L720] return (retValue_acc); [L912] RET, EXPR isMethaneLevelCritical() [L912] tmp = isMethaneLevelCritical() [L914] COND FALSE !(\read(tmp)) [L918] CALL, EXPR getWaterLevel() [L748] int retValue_acc ; [L751] retValue_acc = waterLevel [L752] return (retValue_acc); [L918] RET, EXPR getWaterLevel() [L918] tmp___0 = getWaterLevel() [L920] COND TRUE tmp___0 == 2 [L922] CALL, EXPR isPumpRunning() [L517] int retValue_acc ; [L520] retValue_acc = pumpRunning [L521] return (retValue_acc); [L922] RET, EXPR isPumpRunning() [L922] tmp___1 = isPumpRunning() [L924] COND FALSE !(\read(tmp___1)) [L928] CALL __automaton_fail() [L46] CALL reach_error() [L3] __assert_fail("0", "minepump_spec3_product36.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 23.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 480 SDtfs, 760 SDslu, 262 SDs, 0 SdLazy, 1246 SolverSat, 492 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=346occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 204 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 68692 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 incorrect! Received shutdown request...