/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=DEEPEST --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_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:21:40,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:21:40,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:21:40,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:21:40,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:21:40,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:21:40,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:21:40,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:21:40,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:21:40,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:21:40,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:21:40,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:21:40,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:21:40,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:21:40,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:21:40,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:21:40,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:21:40,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:21:40,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:21:40,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:21:40,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:21:40,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:21:40,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:21:40,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:21:40,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:21:40,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:21:40,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:21:40,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:21:40,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:21:40,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:21:40,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:21:40,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:21:40,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:21:40,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:21:40,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:21:40,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:21:40,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:21:40,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:21:40,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:21:40,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:21:40,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:21:40,833 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 [2020-10-27 22:21:40,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:21:40,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:21:40,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:21:40,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:21:40,864 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:21:40,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:21:40,864 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:21:40,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:21:40,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:21:40,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:21:40,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:21:40,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:21:40,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:21:40,866 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:21:40,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:21:40,866 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:21:40,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:21:40,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:21:40,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:21:40,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:21:40,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:21:40,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:21:40,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:21:40,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:21:40,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:21:40,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:21:40,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:21:40,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:21:40,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:21:40,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:21:41,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:21:41,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:21:41,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:21:41,289 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:21:41,290 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:21:41,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-10-27 22:21:41,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f52f7cf74/10d8d9d500214c269fd39253776fb342/FLAG51560e3cf [2020-10-27 22:21:42,101 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:21:42,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-10-27 22:21:42,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f52f7cf74/10d8d9d500214c269fd39253776fb342/FLAG51560e3cf [2020-10-27 22:21:42,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f52f7cf74/10d8d9d500214c269fd39253776fb342 [2020-10-27 22:21:42,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:21:42,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:21:42,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:21:42,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:21:42,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:21:42,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:21:42" (1/1) ... [2020-10-27 22:21:42,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28176dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:42, skipping insertion in model container [2020-10-27 22:21:42,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:21:42" (1/1) ... [2020-10-27 22:21:42,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:21:42,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:21:42,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:21:42,808 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:21:42,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:21:43,049 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:21:43,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43 WrapperNode [2020-10-27 22:21:43,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:21:43,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:21:43,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:21:43,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:21:43,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (1/1) ... [2020-10-27 22:21:43,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (1/1) ... [2020-10-27 22:21:43,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (1/1) ... [2020-10-27 22:21:43,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (1/1) ... [2020-10-27 22:21:43,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (1/1) ... [2020-10-27 22:21:43,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (1/1) ... [2020-10-27 22:21:43,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (1/1) ... [2020-10-27 22:21:43,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:21:43,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:21:43,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:21:43,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:21:43,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (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 [2020-10-27 22:21:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:21:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:21:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:21:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:21:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:21:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:21:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:21:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:21:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:21:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:21:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:21:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:21:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:21:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:21:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:21:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:21:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:21:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:21:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:21:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:21:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:21:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:21:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:21:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:21:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:21:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:21:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:21:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:21:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:21:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:21:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:21:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:21:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 22:21:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-27 22:21:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-27 22:21:43,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-27 22:21:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:21:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:21:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:21:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:21:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:21:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:21:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:21:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:21:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:21:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:21:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:21:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:21:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:21:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:21:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:21:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:21:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:21:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:21:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:21:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:21:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:21:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:21:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:21:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:21:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:21:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:21:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:21:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:21:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:21:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:21:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:21:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:21:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:21:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:21:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:21:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:21:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:21:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:21:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 22:21:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:21:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:21:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:21:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:21:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:21:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:21:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-27 22:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-27 22:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-27 22:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:21:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:21:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:21:44,714 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:21:44,715 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:21:44,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:21:44 BoogieIcfgContainer [2020-10-27 22:21:44,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:21:44,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:21:44,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:21:44,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:21:44,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:21:42" (1/3) ... [2020-10-27 22:21:44,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf349ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:21:44, skipping insertion in model container [2020-10-27 22:21:44,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:43" (2/3) ... [2020-10-27 22:21:44,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf349ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:21:44, skipping insertion in model container [2020-10-27 22:21:44,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:21:44" (3/3) ... [2020-10-27 22:21:44,726 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-10-27 22:21:44,738 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:21:44,743 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:21:44,756 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:21:44,783 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:21:44,783 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:21:44,783 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:21:44,784 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:21:44,784 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:21:44,784 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:21:44,784 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:21:44,784 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:21:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-10-27 22:21:44,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 22:21:44,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:21:44,817 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:21:44,818 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]=== [2020-10-27 22:21:44,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:21:44,825 INFO L82 PathProgramCache]: Analyzing trace with hash -270194336, now seen corresponding path program 1 times [2020-10-27 22:21:44,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:21:44,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965015013] [2020-10-27 22:21:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:21:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:45,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:45,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:46,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:46,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:47,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:21:50,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:21:50,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 22:21:50,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:21:50,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 22:21:50,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:21:50,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-27 22:21:50,786 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:21:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:21:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:50,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:21:50,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:50,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:21:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:21:50,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:21:50,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:50,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:21:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:21:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:21:50,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:50,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:50,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:21:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:50,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:50,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:50,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:50,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:50,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:21:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:21:50,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:21:50,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:50,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:50,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:50,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:21:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:50,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:50,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:50,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:50,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:21:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:21:50,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:21:50,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:50,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:50,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:50,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:21:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:50,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:50,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:50,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:21:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:50,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:21:50,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:21:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:21:50,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:50,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:21:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:50,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:50,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:50,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:50,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:50,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:21:50,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:50,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:21:50,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:50,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:21:50,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:21:51,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965015013] [2020-10-27 22:21:51,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:21:51,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:21:51,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150604967] [2020-10-27 22:21:51,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:21:51,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:21:51,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:21:51,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:21:51,069 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 8 states. [2020-10-27 22:21:51,926 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:21:53,043 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:21:54,480 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:21:54,975 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:21:55,778 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:21:56,226 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:21:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:21:56,681 INFO L93 Difference]: Finished difference Result 350 states and 467 transitions. [2020-10-27 22:21:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:21:56,683 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-27 22:21:56,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:21:56,699 INFO L225 Difference]: With dead ends: 350 [2020-10-27 22:21:56,699 INFO L226 Difference]: Without dead ends: 217 [2020-10-27 22:21:56,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:21:56,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-27 22:21:56,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 185. [2020-10-27 22:21:56,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-27 22:21:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 224 transitions. [2020-10-27 22:21:56,866 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 224 transitions. Word has length 60 [2020-10-27 22:21:56,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:21:56,867 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 224 transitions. [2020-10-27 22:21:56,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:21:56,867 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 224 transitions. [2020-10-27 22:21:56,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:21:56,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:21:56,883 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:21:56,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:21:56,884 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]=== [2020-10-27 22:21:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:21:56,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1148471495, now seen corresponding path program 1 times [2020-10-27 22:21:56,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:21:56,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616466921] [2020-10-27 22:21:56,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:21:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:56,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:57,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 22:21:58,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:21:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1083 [2020-10-27 22:21:58,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:21:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 22:21:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:21:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,428 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:21:58,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:21:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:58,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:21:58,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:21:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:21:58,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:21:58,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:21:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:21:58,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:58,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:21:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:58,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:58,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:21:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:21:58,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:21:58,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:21:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:58,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:58,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:21:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:21:58,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:21:58,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:21:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:58,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:21:58,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:21:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:21:58,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 22:21:58,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:21:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:21:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:21:58,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:21:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:21:58,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:21:58,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:21:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:21:58,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:21:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:21:58,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:58,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:21:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:21:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:58,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:58,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:21:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 22:21:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:58,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:21:58,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:21:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:21:58,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 22:21:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:21:58,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:21:58,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:21:58,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:21:58,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:21:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:21:58,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:21:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:21:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:21:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:21:58,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:21:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:21:58,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616466921] [2020-10-27 22:21:58,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:21:58,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:21:58,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472739678] [2020-10-27 22:21:58,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:21:58,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:21:58,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:21:58,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:21:58,783 INFO L87 Difference]: Start difference. First operand 185 states and 224 transitions. Second operand 9 states. [2020-10-27 22:22:00,366 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:22:00,823 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:22:01,272 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:22:01,723 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:22:02,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:22:02,454 INFO L93 Difference]: Finished difference Result 403 states and 532 transitions. [2020-10-27 22:22:02,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:22:02,455 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-27 22:22:02,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:22:02,459 INFO L225 Difference]: With dead ends: 403 [2020-10-27 22:22:02,460 INFO L226 Difference]: Without dead ends: 246 [2020-10-27 22:22:02,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:22:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-27 22:22:02,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 193. [2020-10-27 22:22:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-27 22:22:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 235 transitions. [2020-10-27 22:22:02,525 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 235 transitions. Word has length 84 [2020-10-27 22:22:02,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:22:02,526 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 235 transitions. [2020-10-27 22:22:02,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:22:02,526 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 235 transitions. [2020-10-27 22:22:02,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 22:22:02,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:22:02,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:22:02,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:22:02,529 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]=== [2020-10-27 22:22:02,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:22:02,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1702060607, now seen corresponding path program 1 times [2020-10-27 22:22:02,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:22:02,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688456117] [2020-10-27 22:22:02,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:22:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:02,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:02,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:02,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:22:02,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:02,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-27 22:22:02,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:22:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 22:22:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:02,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,325 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:22:03,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:03,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 22:22:03,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:22:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:03,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:03,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:22:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:03,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:03,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:22:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:03,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:22:03,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:22:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:03,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:03,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:22:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:03,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:03,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:22:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:22:03,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:22:03,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:03,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:03,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 22:22:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:22:03,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:22:03,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:22:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:22:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:03,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:22:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:22:03,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:22:03,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:22:03,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:22:03,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:03,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:22:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:22:03,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:22:03,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:22:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:22:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:03,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:03,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 22:22:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:03,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:03,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 22:22:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:03,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:03,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:03,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:03,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:22:03,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:22:03,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688456117] [2020-10-27 22:22:03,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:22:03,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:22:03,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413472810] [2020-10-27 22:22:03,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:22:03,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:22:03,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:22:03,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:22:03,641 INFO L87 Difference]: Start difference. First operand 193 states and 235 transitions. Second operand 8 states. [2020-10-27 22:22:05,093 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:22:05,546 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:22:05,968 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:22:06,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:22:06,784 INFO L93 Difference]: Finished difference Result 418 states and 564 transitions. [2020-10-27 22:22:06,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:22:06,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-27 22:22:06,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:22:06,791 INFO L225 Difference]: With dead ends: 418 [2020-10-27 22:22:06,792 INFO L226 Difference]: Without dead ends: 253 [2020-10-27 22:22:06,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:22:06,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-27 22:22:06,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 197. [2020-10-27 22:22:06,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-27 22:22:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 239 transitions. [2020-10-27 22:22:06,903 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 239 transitions. Word has length 89 [2020-10-27 22:22:06,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:22:06,904 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 239 transitions. [2020-10-27 22:22:06,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:22:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 239 transitions. [2020-10-27 22:22:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:22:06,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:22:06,906 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:22:06,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:22:06,907 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]=== [2020-10-27 22:22:06,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:22:06,907 INFO L82 PathProgramCache]: Analyzing trace with hash -282609749, now seen corresponding path program 1 times [2020-10-27 22:22:06,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:22:06,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886845627] [2020-10-27 22:22:06,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:22:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:06,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:06,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:07,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:07,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:07,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:11,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 22:22:11,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:22:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 22:22:11,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 22:22:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 22:22:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,401 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:22:12,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:22:12,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:22:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:12,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:22:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:12,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:22:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:22:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:12,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:22:12,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:22:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:22:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 22:22:12,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:22:12,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 22:22:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:22:12,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:12,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:12,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:22:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:22:12,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:22:12,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:22:12,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:22:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 22:22:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:22:12,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:22:12,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:22:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 22:22:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:22:12,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:22:12,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 22:22:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:22:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:22:12,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:12,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:22:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:22:12,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:22:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 22:22:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 22:22:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:12,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:12,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:12,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:12,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:12,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:12,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:12,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:12,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 22:22:12,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886845627] [2020-10-27 22:22:12,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:22:12,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:22:12,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125568961] [2020-10-27 22:22:12,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:22:12,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:22:12,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:22:12,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:22:12,657 INFO L87 Difference]: Start difference. First operand 197 states and 239 transitions. Second operand 7 states. [2020-10-27 22:22:13,794 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:22:15,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:22:15,216 INFO L93 Difference]: Finished difference Result 571 states and 777 transitions. [2020-10-27 22:22:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:22:15,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-27 22:22:15,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:22:15,221 INFO L225 Difference]: With dead ends: 571 [2020-10-27 22:22:15,222 INFO L226 Difference]: Without dead ends: 387 [2020-10-27 22:22:15,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:22:15,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-10-27 22:22:15,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 297. [2020-10-27 22:22:15,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-27 22:22:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 368 transitions. [2020-10-27 22:22:15,306 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 368 transitions. Word has length 111 [2020-10-27 22:22:15,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:22:15,306 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 368 transitions. [2020-10-27 22:22:15,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:22:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 368 transitions. [2020-10-27 22:22:15,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 22:22:15,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:22:15,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:22:15,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:22:15,309 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]=== [2020-10-27 22:22:15,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:22:15,309 INFO L82 PathProgramCache]: Analyzing trace with hash -676568608, now seen corresponding path program 1 times [2020-10-27 22:22:15,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:22:15,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985549003] [2020-10-27 22:22:15,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:22:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:15,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:15,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:15,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:22:15,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:15,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 604 [2020-10-27 22:22:15,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:22:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 22:22:15,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,364 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:22:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:16,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 22:22:16,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:22:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:22:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:16,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:16,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:22:16,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:22:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:16,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:16,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:22:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:22:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:16,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:16,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:16,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:22:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:16,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:16,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:22:16,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:22:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:16,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:16,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:16,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:22:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:22:16,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:22:16,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:22:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:16,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:16,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:16,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 22:22:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:22:16,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:22:16,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:22:16,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 22:22:16,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:22:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:22:16,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:22:16,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:22:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:22:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:22:16,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:16,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:22:16,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:22:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:16,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:16,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:16,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 22:22:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:16,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:16,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:16,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 22:22:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:16,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:16,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:16,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:16,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:16,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:16,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:16,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:22:16,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985549003] [2020-10-27 22:22:16,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:22:16,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:22:16,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156039549] [2020-10-27 22:22:16,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:22:16,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:22:16,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:22:16,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:22:16,641 INFO L87 Difference]: Start difference. First operand 297 states and 368 transitions. Second operand 7 states. [2020-10-27 22:22:17,437 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:22:18,331 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:22:20,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:22:20,934 INFO L93 Difference]: Finished difference Result 963 states and 1303 transitions. [2020-10-27 22:22:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:22:20,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2020-10-27 22:22:20,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:22:20,941 INFO L225 Difference]: With dead ends: 963 [2020-10-27 22:22:20,942 INFO L226 Difference]: Without dead ends: 684 [2020-10-27 22:22:20,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:22:20,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-10-27 22:22:21,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 608. [2020-10-27 22:22:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2020-10-27 22:22:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 767 transitions. [2020-10-27 22:22:21,126 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 767 transitions. Word has length 89 [2020-10-27 22:22:21,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:22:21,126 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 767 transitions. [2020-10-27 22:22:21,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:22:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 767 transitions. [2020-10-27 22:22:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-27 22:22:21,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:22:21,129 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:22:21,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:22:21,129 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-27 22:22:21,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:22:21,130 INFO L82 PathProgramCache]: Analyzing trace with hash -80600250, now seen corresponding path program 1 times [2020-10-27 22:22:21,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:22:21,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61835948] [2020-10-27 22:22:21,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:22:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:21,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:21,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:22,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:22,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 22:22:22,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:22:22,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1580 [2020-10-27 22:22:22,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:22,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:22:22,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 22:22:22,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 22:22:22,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,174 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:22:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:22:23,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:22:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:23,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:22:23,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:23,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:23,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:22:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:23,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:23,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:23,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:22:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:23,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:23,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:22:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:23,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:22:23,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:22:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:23,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:22:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:23,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:22:23,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:23,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:22:23,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 22:22:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:22:23,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:22:23,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:22:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:23,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:23,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 22:22:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:22:23,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:22:23,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:22:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:22:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:22:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:22:23,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:22:23,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:22:23,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:22:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:22:23,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:22:23,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:22:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:22:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:23,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:23,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 22:22:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:23,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:22:23,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:22:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 22:22:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:23,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:23,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:23,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:23,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:23,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:23,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:22:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:23,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:22:23,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61835948] [2020-10-27 22:22:23,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:22:23,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 22:22:23,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182046737] [2020-10-27 22:22:23,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:22:23,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:22:23,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:22:23,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:22:23,444 INFO L87 Difference]: Start difference. First operand 608 states and 767 transitions. Second operand 12 states. [2020-10-27 22:22:24,217 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:22:25,522 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:22:26,053 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:22:26,555 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:22:27,792 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:22:28,281 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:22:28,723 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:22:30,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:22:30,392 INFO L93 Difference]: Finished difference Result 1278 states and 1768 transitions. [2020-10-27 22:22:30,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 22:22:30,394 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-10-27 22:22:30,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:22:30,402 INFO L225 Difference]: With dead ends: 1278 [2020-10-27 22:22:30,402 INFO L226 Difference]: Without dead ends: 810 [2020-10-27 22:22:30,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=220, Invalid=536, Unknown=0, NotChecked=0, Total=756 [2020-10-27 22:22:30,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-10-27 22:22:30,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 679. [2020-10-27 22:22:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-10-27 22:22:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 874 transitions. [2020-10-27 22:22:30,602 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 874 transitions. Word has length 93 [2020-10-27 22:22:30,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:22:30,605 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 874 transitions. [2020-10-27 22:22:30,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:22:30,605 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 874 transitions. [2020-10-27 22:22:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 22:22:30,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:22:30,614 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:22:30,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:22:30,614 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-27 22:22:30,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:22:30,615 INFO L82 PathProgramCache]: Analyzing trace with hash 506945441, now seen corresponding path program 1 times [2020-10-27 22:22:30,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:22:30,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876640560] [2020-10-27 22:22:30,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:22:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:30,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:30,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:30,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:31,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:31,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:31,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:32,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:35,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:35,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 22:22:35,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:22:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 22:22:35,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:22:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-27 22:22:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 22:22:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,201 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:22:36,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:22:36,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:22:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:36,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:22:36,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:22:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:22:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:36,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:22:36,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:22:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:36,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:22:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:22:36,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:22:36,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:22:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:22:36,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:22:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:36,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 22:22:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 22:22:36,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:22:36,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:22:36,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:36,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:22:36,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:22:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:22:36,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:22:36,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:22:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:22:36,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:36,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:22:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:22:36,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:36,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:22:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:36,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:22:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:22:36,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:22:36,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:22:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:22:36,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:22:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:22:36,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 22:22:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:22:36,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:22:36,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:22:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:22:36,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:22:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:22:36,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:22:36,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:22:36,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 22:22:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:22:36,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:36,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 22:22:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:22:36,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:22:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:36,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 22:22:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:22:36,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:22:36,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:22:36,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:22:36,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:22:36,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:22:36,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:22:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:22:36,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:22:36,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:22:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:22:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 22:22:36,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876640560] [2020-10-27 22:22:36,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:22:36,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:22:36,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599336537] [2020-10-27 22:22:36,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:22:36,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:22:36,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:22:36,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:22:36,640 INFO L87 Difference]: Start difference. First operand 679 states and 874 transitions. Second operand 13 states. [2020-10-27 22:22:37,794 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:22:38,851 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:22:39,274 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:22:39,991 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:22:40,475 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:22:40,989 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 22:22:42,107 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:22:42,900 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:22:43,621 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 22:22:44,114 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 22:22:44,666 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 22:22:45,429 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 22:22:46,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:22:46,588 INFO L93 Difference]: Finished difference Result 1224 states and 1664 transitions. [2020-10-27 22:22:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 22:22:46,588 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 124 [2020-10-27 22:22:46,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:22:46,590 INFO L225 Difference]: With dead ends: 1224 [2020-10-27 22:22:46,591 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:22:46,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 22:22:46,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:22:46,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:22:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:22:46,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:22:46,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 124 [2020-10-27 22:22:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:22:46,599 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:22:46,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:22:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:22:46,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:22:46,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:22:46,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:22:46,722 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 22:22:51,026 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 247 [2020-10-27 22:22:51,696 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 243 [2020-10-27 22:22:51,954 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 239 [2020-10-27 22:22:52,268 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 251 [2020-10-27 22:22:53,128 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-10-27 22:22:53,566 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 231 [2020-10-27 22:22:55,084 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 172 DAG size of output: 28 [2020-10-27 22:22:55,387 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 22:22:55,697 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-10-27 22:22:56,041 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-27 22:22:56,430 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 7 [2020-10-27 22:22:56,778 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-10-27 22:22:57,142 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-10-27 22:22:58,291 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 206 DAG size of output: 54 [2020-10-27 22:22:59,338 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 28 [2020-10-27 22:22:59,635 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-27 22:23:00,890 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 181 DAG size of output: 34 [2020-10-27 22:23:01,271 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:23:02,991 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 203 DAG size of output: 44 [2020-10-27 22:23:03,364 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-27 22:23:03,723 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-10-27 22:23:05,035 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 187 DAG size of output: 33 [2020-10-27 22:23:05,400 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-10-27 22:23:05,763 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 20 [2020-10-27 22:23:06,114 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-10-27 22:23:06,646 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 34 [2020-10-27 22:23:07,881 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-10-27 22:23:09,099 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 192 DAG size of output: 35 [2020-10-27 22:23:09,832 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 42 [2020-10-27 22:23:10,578 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 42 [2020-10-27 22:23:11,415 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 43 [2020-10-27 22:23:12,254 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 46 [2020-10-27 22:23:12,908 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-10-27 22:23:14,449 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 189 DAG size of output: 44 [2020-10-27 22:23:14,750 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 22:23:15,606 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 53 [2020-10-27 22:23:16,053 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2020-10-27 22:23:16,394 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-10-27 22:23:16,812 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 34 [2020-10-27 22:23:17,230 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 20 [2020-10-27 22:23:17,615 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 32 [2020-10-27 22:23:17,950 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-10-27 22:23:18,392 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2020-10-27 22:23:18,735 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-10-27 22:23:19,040 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-27 22:23:19,377 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-10-27 22:23:19,687 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 36 [2020-10-27 22:23:20,067 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 28 [2020-10-27 22:23:21,127 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 174 DAG size of output: 33 [2020-10-27 22:23:22,684 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 189 DAG size of output: 44 [2020-10-27 22:23:22,689 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 22:23:22,689 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 22:23:22,689 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 22:23:22,689 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 22:23:22,689 INFO L274 CegarLoopResult]: For program point L188(lines 165 189) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 141 196) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point L172(lines 172 176) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point L172-1(lines 172 176) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 141 196) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point L166-2(lines 166 187) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 141 196) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-10-27 22:23:22,690 INFO L274 CegarLoopResult]: For program point L223-2(lines 223 248) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L274 CegarLoopResult]: For program point L249(lines 222 250) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 197 256) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L274 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L274 CegarLoopResult]: For program point L242-1(line 242) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 197 256) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 197 256) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L274 CegarLoopResult]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-10-27 22:23:22,691 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-27 22:23:22,692 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-27 22:23:22,692 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-27 22:23:22,692 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-27 22:23:22,692 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-27 22:23:22,692 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 796 803) the Hoare annotation is: (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= ~waterLevel~0 1)) (not (<= 0 ~pumpRunning~0)) (not (<= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-27 22:23:22,692 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 796 803) no Hoare annotation was computed. [2020-10-27 22:23:22,692 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 796 803) no Hoare annotation was computed. [2020-10-27 22:23:22,692 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 804 813) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse0 (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or (not (= ~waterLevel~0 1)) (not (<= 0 ~pumpRunning~0)) .cse1 (not (<= ~pumpRunning~0 0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-27 22:23:22,693 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 804 813) no Hoare annotation was computed. [2020-10-27 22:23:22,693 INFO L274 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-10-27 22:23:22,693 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 804 813) no Hoare annotation was computed. [2020-10-27 22:23:22,693 INFO L270 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse2))) [2020-10-27 22:23:22,693 INFO L274 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-10-27 22:23:22,693 INFO L274 CegarLoopResult]: For program point L826(lines 826 836) no Hoare annotation was computed. [2020-10-27 22:23:22,693 INFO L270 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0))) [2020-10-27 22:23:22,693 INFO L274 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-10-27 22:23:22,693 INFO L274 CegarLoopResult]: For program point L822(lines 822 839) no Hoare annotation was computed. [2020-10-27 22:23:22,694 INFO L274 CegarLoopResult]: For program point L822-1(lines 814 842) no Hoare annotation was computed. [2020-10-27 22:23:22,694 INFO L277 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: true [2020-10-27 22:23:22,694 INFO L274 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-10-27 22:23:22,694 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 814 842) the Hoare annotation is: true [2020-10-27 22:23:22,694 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 814 842) no Hoare annotation was computed. [2020-10-27 22:23:22,694 INFO L270 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-27 22:23:22,694 INFO L270 CegarLoopResult]: At program point L929-1(line 929) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-27 22:23:22,694 INFO L274 CegarLoopResult]: For program point L927(lines 927 934) no Hoare annotation was computed. [2020-10-27 22:23:22,695 INFO L274 CegarLoopResult]: For program point L927-1(lines 927 934) no Hoare annotation was computed. [2020-10-27 22:23:22,695 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 917 939) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-27 22:23:22,695 INFO L274 CegarLoopResult]: For program point L925(line 925) no Hoare annotation was computed. [2020-10-27 22:23:22,695 INFO L270 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-27 22:23:22,695 INFO L270 CegarLoopResult]: At program point L923(line 923) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-27 22:23:22,695 INFO L270 CegarLoopResult]: At program point L923-1(line 923) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-27 22:23:22,695 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 917 939) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 917 939) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 875 898) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 875 898) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 875 898) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-27 22:23:22,696 INFO L274 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 722 730) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 722 730) the Hoare annotation is: true [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 722 730) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L738-2(lines 738 746) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-10-27 22:23:22,697 INFO L274 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 731 766) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point L750(lines 750 758) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point L750-2(lines 750 758) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 731 766) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 731 766) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point L738(lines 738 746) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 95 140) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 95 140) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 95 140) no Hoare annotation was computed. [2020-10-27 22:23:22,698 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 408 453) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point L439(lines 439 440) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point L432(lines 432 433) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 432 433) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 439 440) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point L428(lines 428 435) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 408 453) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point L422(lines 422 442) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 408 453) no Hoare annotation was computed. [2020-10-27 22:23:22,699 INFO L274 CegarLoopResult]: For program point L422-1(lines 422 442) no Hoare annotation was computed. [2020-10-27 22:23:22,700 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 906 916) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-27 22:23:22,700 INFO L270 CegarLoopResult]: At program point L911(line 911) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-27 22:23:22,700 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 906 916) no Hoare annotation was computed. [2020-10-27 22:23:22,700 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 906 916) no Hoare annotation was computed. [2020-10-27 22:23:22,700 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 711 721) no Hoare annotation was computed. [2020-10-27 22:23:22,700 INFO L274 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-10-27 22:23:22,700 INFO L274 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-10-27 22:23:22,700 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 711 721) no Hoare annotation was computed. [2020-10-27 22:23:22,700 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 711 721) no Hoare annotation was computed. [2020-10-27 22:23:22,700 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 703 710) no Hoare annotation was computed. [2020-10-27 22:23:22,701 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 703 710) no Hoare annotation was computed. [2020-10-27 22:23:22,701 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 703 710) no Hoare annotation was computed. [2020-10-27 22:23:22,701 INFO L274 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-27 22:23:22,701 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 541 554) no Hoare annotation was computed. [2020-10-27 22:23:22,701 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 541 554) the Hoare annotation is: true [2020-10-27 22:23:22,701 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 541 554) no Hoare annotation was computed. [2020-10-27 22:23:22,701 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 670 694) no Hoare annotation was computed. [2020-10-27 22:23:22,701 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 670 694) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse3 .cse2))) [2020-10-27 22:23:22,701 INFO L270 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse2 .cse4 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 .cse1 .cse2 .cse4 .cse3 (not (<= 2 ~waterLevel~0))))) [2020-10-27 22:23:22,702 INFO L274 CegarLoopResult]: For program point L689-1(lines 670 694) no Hoare annotation was computed. [2020-10-27 22:23:22,702 INFO L270 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (and (<= processEnvironment_~tmp~4 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< 0 (+ processEnvironment_~tmp~4 1)))) (.cse3 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse3))) [2020-10-27 22:23:22,702 INFO L270 CegarLoopResult]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse2) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1 .cse2))) [2020-10-27 22:23:22,702 INFO L274 CegarLoopResult]: For program point L678(lines 678 686) no Hoare annotation was computed. [2020-10-27 22:23:22,702 INFO L270 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse3 .cse2))) [2020-10-27 22:23:22,702 INFO L274 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-10-27 22:23:22,702 INFO L274 CegarLoopResult]: For program point L674(lines 674 691) no Hoare annotation was computed. [2020-10-27 22:23:22,703 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 662 668) no Hoare annotation was computed. [2020-10-27 22:23:22,703 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 662 668) the Hoare annotation is: true [2020-10-27 22:23:22,703 INFO L270 CegarLoopResult]: At program point testENTRY(lines 559 624) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:23:22,703 INFO L274 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-10-27 22:23:22,703 INFO L270 CegarLoopResult]: At program point L607-2(lines 599 612) the Hoare annotation is: (let ((.cse0 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 1)) (.cse4 (<= 0 ~pumpRunning~0)) (.cse5 (<= ~pumpRunning~0 0)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse0 .cse1 .cse2) (not (<= |old(~pumpRunning~0)| 0)) (and .cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4 .cse5 .cse2) (and (<= 2 ~waterLevel~0) .cse1))) [2020-10-27 22:23:22,703 INFO L274 CegarLoopResult]: For program point L570(lines 569 616) no Hoare annotation was computed. [2020-10-27 22:23:22,703 INFO L270 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~waterLevel~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse0 .cse1 .cse2) (not (<= |old(~pumpRunning~0)| 0)) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse6 .cse7) (and (<= 2 ~waterLevel~0) .cse1))) [2020-10-27 22:23:22,704 INFO L274 CegarLoopResult]: For program point L599(lines 599 612) no Hoare annotation was computed. [2020-10-27 22:23:22,704 INFO L274 CegarLoopResult]: For program point testFINAL(lines 559 624) no Hoare annotation was computed. [2020-10-27 22:23:22,704 INFO L270 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~waterLevel~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse0 .cse1 .cse2) (not (<= |old(~pumpRunning~0)| 0)) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse7 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) .cse3 .cse4 .cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse6 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse7) (and (<= 2 ~waterLevel~0) .cse1))) [2020-10-27 22:23:22,704 INFO L274 CegarLoopResult]: For program point L589(lines 589 595) no Hoare annotation was computed. [2020-10-27 22:23:22,704 INFO L274 CegarLoopResult]: For program point L589-1(lines 589 595) no Hoare annotation was computed. [2020-10-27 22:23:22,704 INFO L270 CegarLoopResult]: At program point L614(lines 569 616) the Hoare annotation is: (let ((.cse0 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= 0 ~pumpRunning~0)) (.cse6 (<= ~pumpRunning~0 0)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse0 .cse1 .cse2) (and (= |old(~systemActive~0)| ~systemActive~0) .cse3 .cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse5 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse6) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse2) (and (<= 2 ~waterLevel~0) .cse1))) [2020-10-27 22:23:22,705 INFO L270 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= 0 ~pumpRunning~0)) (.cse6 (<= ~pumpRunning~0 0)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse0 .cse1 .cse2) (and (= |old(~systemActive~0)| ~systemActive~0) .cse3 .cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse5 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse6) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4 .cse5 .cse6 .cse2) (and (<= 2 ~waterLevel~0) .cse1))) [2020-10-27 22:23:22,705 INFO L274 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-10-27 22:23:22,705 INFO L274 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2020-10-27 22:23:22,705 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-10-27 22:23:22,705 INFO L270 CegarLoopResult]: At program point L617(lines 568 618) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2))) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0))) [2020-10-27 22:23:22,705 INFO L274 CegarLoopResult]: For program point testEXIT(lines 559 624) no Hoare annotation was computed. [2020-10-27 22:23:22,705 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 386 387) no Hoare annotation was computed. [2020-10-27 22:23:22,705 INFO L274 CegarLoopResult]: For program point L382(lines 382 389) no Hoare annotation was computed. [2020-10-27 22:23:22,705 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 393 394) no Hoare annotation was computed. [2020-10-27 22:23:22,705 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 362 407) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point L376(lines 376 396) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point L376-1(lines 376 396) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 362 407) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 362 407) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point L393(lines 393 394) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point L386(lines 386 387) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 509 531) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 509 531) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point L517(lines 517 525) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 509 531) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 525) no Hoare annotation was computed. [2020-10-27 22:23:22,706 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 259 361) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point L347(lines 347 358) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 328) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point L329(lines 307 330) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 259 361) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point L288(lines 288 304) no Hoare annotation was computed. [2020-10-27 22:23:22,707 INFO L274 CegarLoopResult]: For program point L348(lines 348 355) no Hoare annotation was computed. [2020-10-27 22:23:22,708 INFO L274 CegarLoopResult]: For program point L309(lines 308 328) no Hoare annotation was computed. [2020-10-27 22:23:22,708 INFO L274 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-10-27 22:23:22,708 INFO L274 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-10-27 22:23:22,708 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 259 361) no Hoare annotation was computed. [2020-10-27 22:23:22,708 INFO L274 CegarLoopResult]: For program point L305(lines 305 346) no Hoare annotation was computed. [2020-10-27 22:23:22,708 INFO L274 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-10-27 22:23:22,708 INFO L274 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-10-27 22:23:22,708 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:23:22,709 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 22:23:22,709 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:23:22,709 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 695 702) no Hoare annotation was computed. [2020-10-27 22:23:22,709 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 695 702) no Hoare annotation was computed. [2020-10-27 22:23:22,709 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 695 702) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-27 22:23:22,709 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 532 540) the Hoare annotation is: true [2020-10-27 22:23:22,709 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 532 540) no Hoare annotation was computed. [2020-10-27 22:23:22,709 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 532 540) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 767 785) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L274 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L277 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: true [2020-10-27 22:23:22,710 INFO L274 CegarLoopResult]: For program point L776-2(lines 776 780) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 767 785) the Hoare annotation is: true [2020-10-27 22:23:22,710 INFO L274 CegarLoopResult]: For program point L774-1(line 774) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 767 785) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:23:22,710 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 488 499) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) .cse0) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0))) (or (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse1 .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-10-27 22:23:22,711 INFO L274 CegarLoopResult]: For program point L492-1(lines 488 499) no Hoare annotation was computed. [2020-10-27 22:23:22,711 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 488 499) no Hoare annotation was computed. [2020-10-27 22:23:22,711 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 500 508) no Hoare annotation was computed. [2020-10-27 22:23:22,711 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 500 508) no Hoare annotation was computed. [2020-10-27 22:23:22,711 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 500 508) no Hoare annotation was computed. [2020-10-27 22:23:22,711 INFO L274 CegarLoopResult]: For program point L640(lines 638 660) no Hoare annotation was computed. [2020-10-27 22:23:22,711 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 635 661) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and .cse4 .cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse3 (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse4 .cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse2)))) [2020-10-27 22:23:22,712 INFO L270 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0)) (or .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse2 (and .cse6 .cse7)) (or (and (= ~waterLevel~0 1) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) .cse0 .cse5 .cse2) (or .cse1 .cse8 .cse9 .cse4) (or .cse1 .cse3 (and .cse6 .cse10 .cse11 .cse7)) (or .cse1 .cse8 .cse9 (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (and .cse10 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse11)))) [2020-10-27 22:23:22,712 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 635 661) no Hoare annotation was computed. [2020-10-27 22:23:22,712 INFO L270 CegarLoopResult]: At program point L649(lines 649 655) the Hoare annotation is: (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (<= ~waterLevel~0 2))) (let ((.cse9 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (and .cse10 (<= 2 ~waterLevel~0) .cse14)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (= 0 ~systemActive~0)) .cse7) (or .cse5 .cse8 .cse6 (and .cse9 .cse10 .cse11)) (or .cse0 .cse1 .cse12 (and .cse9 .cse13 .cse14 .cse11)) (or .cse5 .cse8 .cse6 .cse7) (or .cse5 .cse0 .cse6 .cse1 .cse12) (or .cse0 .cse2 .cse3 (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (and .cse13 .cse4 .cse14))))) [2020-10-27 22:23:22,712 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 635 661) no Hoare annotation was computed. [2020-10-27 22:23:22,712 INFO L270 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or .cse2 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse5 .cse6) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (and .cse4 .cse5 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse6)))) [2020-10-27 22:23:22,713 INFO L274 CegarLoopResult]: For program point L642(lines 638 660) no Hoare annotation was computed. [2020-10-27 22:23:22,713 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2020-10-27 22:23:22,713 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 845 874) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and .cse4 .cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse3 (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse4 .cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse2)))) [2020-10-27 22:23:22,713 INFO L274 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2020-10-27 22:23:22,713 INFO L270 CegarLoopResult]: At program point L859-1(lines 859 863) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse0 (<= 0 ~pumpRunning~0)) (.cse1 (<= ~pumpRunning~0 0))) (let ((.cse2 (not (<= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse5 .cse0 .cse1)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (<= ~waterLevel~0 2))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4) (or .cse2 .cse4 (not .cse5) (and .cse0 .cse1)) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 .cse3 (not (<= 2 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse6)) (or .cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse6))))) [2020-10-27 22:23:22,713 INFO L274 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-27 22:23:22,714 INFO L270 CegarLoopResult]: At program point L855-2(lines 855 869) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse0 (<= 0 ~pumpRunning~0)) (.cse1 (<= ~pumpRunning~0 0))) (let ((.cse2 (not (<= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse5 .cse0 .cse1)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (<= ~waterLevel~0 2))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4) (or .cse2 .cse4 (not .cse5) (and .cse0 .cse1)) (or (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 .cse3 (not (<= 2 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse6)) (or .cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse6))))) [2020-10-27 22:23:22,714 INFO L270 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and .cse4 .cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse3 (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse4 .cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse2)))) [2020-10-27 22:23:22,714 INFO L274 CegarLoopResult]: For program point L851-1(line 851) no Hoare annotation was computed. [2020-10-27 22:23:22,714 INFO L277 CegarLoopResult]: At program point L870(lines 845 874) the Hoare annotation is: true [2020-10-27 22:23:22,714 INFO L274 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-10-27 22:23:22,714 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 464 475) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-10-27 22:23:22,714 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 464 475) no Hoare annotation was computed. [2020-10-27 22:23:22,714 INFO L274 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-10-27 22:23:22,715 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 899 905) no Hoare annotation was computed. [2020-10-27 22:23:22,715 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 899 905) the Hoare annotation is: true [2020-10-27 22:23:22,715 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:23:22,715 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= ~waterLevel~0 1) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2020-10-27 22:23:22,715 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:23:22,715 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:23:22,715 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 786 793) no Hoare annotation was computed. [2020-10-27 22:23:22,715 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 786 793) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (= ~waterLevel~0 1)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) (or .cse0 (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-27 22:23:22,715 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 786 793) no Hoare annotation was computed. [2020-10-27 22:23:22,715 INFO L274 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-10-27 22:23:22,716 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 476 487) no Hoare annotation was computed. [2020-10-27 22:23:22,716 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 476 487) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (not (= |old(~waterLevel~0)| 1)) .cse1 (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))))) [2020-10-27 22:23:22,716 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 80 87) no Hoare annotation was computed. [2020-10-27 22:23:22,716 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 80 87) the Hoare annotation is: true [2020-10-27 22:23:22,716 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 22:23:22,716 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 80 87) no Hoare annotation was computed. [2020-10-27 22:23:22,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:23:22 BoogieIcfgContainer [2020-10-27 22:23:22,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:23:22,743 INFO L168 Benchmark]: Toolchain (without parser) took 100345.52 ms. Allocated memory was 155.2 MB in the beginning and 746.6 MB in the end (delta: 591.4 MB). Free memory was 130.2 MB in the beginning and 382.9 MB in the end (delta: -252.6 MB). Peak memory consumption was 458.6 MB. Max. memory is 8.0 GB. [2020-10-27 22:23:22,743 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 155.2 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:23:22,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.32 ms. Allocated memory is still 155.2 MB. Free memory was 129.6 MB in the beginning and 107.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:23:22,744 INFO L168 Benchmark]: Boogie Preprocessor took 98.34 ms. Allocated memory is still 155.2 MB. Free memory was 107.8 MB in the beginning and 104.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:23:22,745 INFO L168 Benchmark]: RCFGBuilder took 1566.81 ms. Allocated memory is still 155.2 MB. Free memory was 103.9 MB in the beginning and 102.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 8.0 GB. [2020-10-27 22:23:22,745 INFO L168 Benchmark]: TraceAbstraction took 98022.13 ms. Allocated memory was 155.2 MB in the beginning and 746.6 MB in the end (delta: 591.4 MB). Free memory was 102.0 MB in the beginning and 382.9 MB in the end (delta: -280.9 MB). Peak memory consumption was 429.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:23:22,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 155.2 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 643.32 ms. Allocated memory is still 155.2 MB. Free memory was 129.6 MB in the beginning and 107.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.34 ms. Allocated memory is still 155.2 MB. Free memory was 107.8 MB in the beginning and 104.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1566.81 ms. Allocated memory is still 155.2 MB. Free memory was 103.9 MB in the beginning and 102.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 98022.13 ms. Allocated memory was 155.2 MB in the beginning and 746.6 MB in the end (delta: 591.4 MB). Free memory was 102.0 MB in the beginning and 382.9 MB in the end (delta: -280.9 MB). Peak memory consumption was 429.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 393]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 386]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 432]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((((((((1 <= switchedOnBeforeTS || switchedOnBeforeTS + 1 <= 0) && switchedOnBeforeTS <= pumpRunning) && waterLevel <= 2) && pumpRunning <= switchedOnBeforeTS) || !(\old(pumpRunning) <= 0)) || (waterLevel == 1 && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || ((0 == systemActive && 0 <= pumpRunning) && pumpRunning <= 0)) || !(0 <= \old(pumpRunning))) || (2 <= waterLevel && waterLevel <= 2) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((((((((1 <= switchedOnBeforeTS || switchedOnBeforeTS + 1 <= 0) && switchedOnBeforeTS <= pumpRunning) && waterLevel <= 2) && pumpRunning <= switchedOnBeforeTS) || ((((((\old(systemActive) == systemActive && waterLevel == 1) && \old(waterLevel) == waterLevel) && switchedOnBeforeTS == \old(switchedOnBeforeTS)) && 0 <= pumpRunning) && \old(methaneLevelCritical) == methaneLevelCritical) && pumpRunning <= 0)) || !(\old(pumpRunning) <= 0)) || !(\old(waterLevel) == 1)) || !(0 <= \old(pumpRunning))) || (((((switchedOnBeforeTS <= pumpRunning && waterLevel == 1) && \old(waterLevel) == waterLevel) && 0 <= pumpRunning) && pumpRunning <= 0) && pumpRunning <= switchedOnBeforeTS)) || (2 <= waterLevel && waterLevel <= 2) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && 0 <= pumpRunning) && pumpRunning <= 0) || !(\old(pumpRunning) <= 0)) || !(\old(waterLevel) == 1)) || ((0 == systemActive && 0 <= pumpRunning) && pumpRunning <= 0)) || !(0 <= \old(pumpRunning))) && (((!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || !(0 == systemActive)) || (0 <= pumpRunning && pumpRunning <= 0))) && ((((((((1 <= switchedOnBeforeTS || switchedOnBeforeTS + 1 <= 0) && switchedOnBeforeTS <= pumpRunning) && waterLevel <= 2) && pumpRunning <= switchedOnBeforeTS) || !(\old(waterLevel) <= 2)) || ((0 == systemActive && 0 <= pumpRunning) && pumpRunning <= 0)) || !(2 <= \old(waterLevel))) || (2 <= waterLevel && waterLevel <= 2))) && ((((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) <= \old(switchedOnBeforeTS))) || !(\old(switchedOnBeforeTS) <= \old(pumpRunning))) || (!(\old(switchedOnBeforeTS) + 1 <= 0) && !(1 <= \old(switchedOnBeforeTS)))) || ((pumpRunning == \old(pumpRunning) && switchedOnBeforeTS == \old(switchedOnBeforeTS)) && waterLevel <= 2)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 61.8s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 36.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 36.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1065 SDtfs, 2061 SDslu, 1777 SDs, 0 SdLazy, 5742 SolverSat, 1576 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 238 SyntacticMatches, 2 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=679occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 438 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 1244 PreInvPairs, 1728 NumberOfFragments, 2738 HoareAnnotationTreeSize, 1244 FomulaSimplifications, 4229570 FormulaSimplificationTreeSizeReduction, 7.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 102768 FormulaSimplificationTreeSizeReductionInter, 28.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 650 NumberOfCodeBlocks, 650 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 236838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 63/65 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...