/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:38:11,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:38:11,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:38:11,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:38:11,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:38:11,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:38:11,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:38:11,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:38:11,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:38:11,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:38:11,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:38:11,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:38:11,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:38:11,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:38:11,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:38:11,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:38:11,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:38:11,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:38:11,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:38:11,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:38:11,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:38:11,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:38:11,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:38:11,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:38:11,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:38:11,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:38:11,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:38:11,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:38:11,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:38:11,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:38:11,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:38:11,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:38:11,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:38:11,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:38:11,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:38:11,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:38:11,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:38:11,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:38:11,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:38:11,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:38:11,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:38:11,893 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 [2020-10-29 11:38:11,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:38:11,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:38:11,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:38:11,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:38:11,960 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:38:11,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:38:11,961 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:38:11,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:38:11,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:38:11,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:38:11,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:38:11,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:38:11,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:38:11,963 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:38:11,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:38:11,963 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:38:11,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:38:11,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:38:11,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:38:11,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:38:11,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:38:11,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:38:11,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:38:11,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:38:11,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:38:11,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:38:11,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:38:11,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:38:11,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:38:11,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:38:12,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:38:12,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:38:12,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:38:12,426 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:38:12,427 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:38:12,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-10-29 11:38:12,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef48269b9/defdb233f31c40bbbb3e69223aa541c9/FLAG353228d4c [2020-10-29 11:38:13,209 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:38:13,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-10-29 11:38:13,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef48269b9/defdb233f31c40bbbb3e69223aa541c9/FLAG353228d4c [2020-10-29 11:38:13,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef48269b9/defdb233f31c40bbbb3e69223aa541c9 [2020-10-29 11:38:13,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:38:13,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:38:13,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:38:13,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:38:13,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:38:13,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:38:13" (1/1) ... [2020-10-29 11:38:13,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a21a5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:13, skipping insertion in model container [2020-10-29 11:38:13,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:38:13" (1/1) ... [2020-10-29 11:38:13,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:38:13,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:38:13,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:38:13,817 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:38:13,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:38:14,000 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:38:14,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14 WrapperNode [2020-10-29 11:38:14,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:38:14,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:38:14,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:38:14,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:38:14,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (1/1) ... [2020-10-29 11:38:14,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (1/1) ... [2020-10-29 11:38:14,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (1/1) ... [2020-10-29 11:38:14,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (1/1) ... [2020-10-29 11:38:14,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (1/1) ... [2020-10-29 11:38:14,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (1/1) ... [2020-10-29 11:38:14,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (1/1) ... [2020-10-29 11:38:14,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:38:14,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:38:14,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:38:14,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:38:14,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (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 [2020-10-29 11:38:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:38:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:38:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:38:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:38:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:38:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:38:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:38:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:38:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:38:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:38:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:38:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:38:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:38:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:38:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:38:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:38:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:38:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:38:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:38:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-29 11:38:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:38:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:38:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:38:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:38:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:38:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:38:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-29 11:38:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:38:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:38:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:38:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:38:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:38:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:38:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:38:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:38:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:38:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:38:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:38:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:38:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:38:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:38:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:38:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:38:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:38:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:38:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:38:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:38:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-29 11:38:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:38:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:38:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:38:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:38:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:38:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:38:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:38:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:38:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:38:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:38:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:38:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:38:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:38:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:38:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:38:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:38:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:38:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:38:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-29 11:38:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:38:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:38:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:38:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:38:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:38:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:38:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:38:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:38:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:38:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:38:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:38:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:38:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:38:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:38:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:38:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:38:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:38:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:38:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:38:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:38:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:38:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:38:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:38:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:38:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:38:15,621 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:38:15,621 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:38:15,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:38:15 BoogieIcfgContainer [2020-10-29 11:38:15,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:38:15,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:38:15,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:38:15,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:38:15,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:38:13" (1/3) ... [2020-10-29 11:38:15,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d4240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:38:15, skipping insertion in model container [2020-10-29 11:38:15,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:14" (2/3) ... [2020-10-29 11:38:15,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d4240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:38:15, skipping insertion in model container [2020-10-29 11:38:15,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:38:15" (3/3) ... [2020-10-29 11:38:15,632 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-10-29 11:38:15,645 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:38:15,651 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:38:15,664 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:38:15,693 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:38:15,693 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:38:15,693 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:38:15,693 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:38:15,693 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:38:15,694 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:38:15,694 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:38:15,694 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:38:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-29 11:38:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-29 11:38:15,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:15,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:38:15,733 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]=== [2020-10-29 11:38:15,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:15,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1217897457, now seen corresponding path program 1 times [2020-10-29 11:38:15,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:15,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146322902] [2020-10-29 11:38:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:16,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:16,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:17,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:19,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:19,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 11:38:19,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:38:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2914 [2020-10-29 11:38:19,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:19,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:38:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:38:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:38:19,754 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:19,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:19,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:19,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:19,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:19,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-29 11:38:19,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:19,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:38:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:19,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:19,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:19,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:19,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:19,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:19,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:19,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:19,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:19,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:19,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:19,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:19,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:19,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:19,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:19,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:19,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:19,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:19,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:19,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:19,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:19,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:19,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:38:19,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:19,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:19,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:19,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:19,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:19,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:19,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:19,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:19,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:19,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:19,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:19,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:38:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:19,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:19,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:19,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:19,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:19,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:19,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:19,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:38:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:19,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:19,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:19,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:19,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:19,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:19,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:19,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 11:38:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:20,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:20,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:20,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:20,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:20,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:20,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:20,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:20,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:20,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146322902] [2020-10-29 11:38:20,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:20,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:38:20,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759507574] [2020-10-29 11:38:20,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:38:20,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:20,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:38:20,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:38:20,044 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 4 states. [2020-10-29 11:38:20,805 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:22,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:38:22,850 INFO L93 Difference]: Finished difference Result 275 states and 361 transitions. [2020-10-29 11:38:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:38:22,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-29 11:38:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:38:22,867 INFO L225 Difference]: With dead ends: 275 [2020-10-29 11:38:22,867 INFO L226 Difference]: Without dead ends: 147 [2020-10-29 11:38:22,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:38:22,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-29 11:38:22,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 116. [2020-10-29 11:38:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-29 11:38:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-10-29 11:38:22,974 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 53 [2020-10-29 11:38:22,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:38:22,974 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-10-29 11:38:22,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:38:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-10-29 11:38:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-29 11:38:22,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:22,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:38:22,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:38:22,979 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]=== [2020-10-29 11:38:22,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:22,980 INFO L82 PathProgramCache]: Analyzing trace with hash -156718347, now seen corresponding path program 1 times [2020-10-29 11:38:22,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:22,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463631912] [2020-10-29 11:38:22,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:23,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:23,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:25,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 11:38:28,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:38:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 11:38:28,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:38:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 11:38:28,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:28,739 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:28,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 11:38:28,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:38:28,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:28,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:28,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:28,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:28,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:28,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:28,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:28,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:28,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:28,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:28,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:28,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:28,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:28,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:28,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:28,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:28,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:28,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 19 [2020-10-29 11:38:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:38:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:38:28,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:38:28,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:38:28,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:28,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:38:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:28,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:28,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:28,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:28,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 11:38:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:28,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:28,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:28,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:38:28,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 11:38:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:28,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:28,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:28,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:38:28,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:28,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:38:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:28,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:28,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:29,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 11:38:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:29,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:29,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:29,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:29,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:29,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:29,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:29,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:29,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463631912] [2020-10-29 11:38:29,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:29,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:38:29,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065081600] [2020-10-29 11:38:29,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:38:29,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:29,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:38:29,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:38:29,050 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 8 states. [2020-10-29 11:38:30,012 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:32,761 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:33,685 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:34,542 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:35,325 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:38:37,794 INFO L93 Difference]: Finished difference Result 367 states and 502 transitions. [2020-10-29 11:38:37,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:38:37,795 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-10-29 11:38:37,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:38:37,805 INFO L225 Difference]: With dead ends: 367 [2020-10-29 11:38:37,807 INFO L226 Difference]: Without dead ends: 275 [2020-10-29 11:38:37,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:38:37,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-29 11:38:37,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 205. [2020-10-29 11:38:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-29 11:38:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 247 transitions. [2020-10-29 11:38:37,910 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 247 transitions. Word has length 67 [2020-10-29 11:38:37,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:38:37,911 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 247 transitions. [2020-10-29 11:38:37,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:38:37,911 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 247 transitions. [2020-10-29 11:38:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-29 11:38:37,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:37,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:38:37,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:38:37,916 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]=== [2020-10-29 11:38:37,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:37,916 INFO L82 PathProgramCache]: Analyzing trace with hash -575835922, now seen corresponding path program 1 times [2020-10-29 11:38:37,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:37,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657835015] [2020-10-29 11:38:37,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:37,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:38,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:38,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:38,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:42,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:42,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:42,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:42,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 11:38:42,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:38:42,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-29 11:38:42,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:42,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 11:38:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 11:38:42,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:43,768 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:43,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:43,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:43,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:43,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:43,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:43,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 11:38:43,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:43,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:38:43,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:43,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:43,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:43,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:43,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:43,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:43,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:43,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:43,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:43,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:43,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:43,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:43,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:43,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:43,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:43,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:43,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:43,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:43,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:43,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:43,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:43,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:43,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:43,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:43,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:43,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:43,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:43,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:43,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:43,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:43,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:43,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:43,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:43,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:43,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:43,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:43,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:43,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:43,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:43,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:43,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:38:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:43,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:43,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:43,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:43,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:43,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:38:43,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:43,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:38:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:38:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:38:43,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:44,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:38:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:44,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:44,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:44,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:38:44,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:38:44,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:44,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:38:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:44,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:38:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:44,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:44,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:44,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:44,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:38:44,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:44,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:44,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:44,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:38:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:44,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:44,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:44,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:44,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:44,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:44,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:44,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 11:38:44,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:38:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:44,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:44,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:44,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:44,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:38:44,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:44,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:38:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:44,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 11:38:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:44,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:44,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:44,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:44,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:44,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:44,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:44,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:44,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657835015] [2020-10-29 11:38:44,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:44,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:38:44,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920335310] [2020-10-29 11:38:44,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:38:44,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:44,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:38:44,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:38:44,160 INFO L87 Difference]: Start difference. First operand 205 states and 247 transitions. Second operand 11 states. [2020-10-29 11:38:45,188 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:47,025 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:48,843 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-29 11:38:50,611 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:51,975 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:53,007 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:53,781 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:54,658 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:56,576 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 212 DAG size of output: 207 [2020-10-29 11:39:03,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:03,149 INFO L93 Difference]: Finished difference Result 715 states and 1031 transitions. [2020-10-29 11:39:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 11:39:03,150 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-29 11:39:03,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:03,158 INFO L225 Difference]: With dead ends: 715 [2020-10-29 11:39:03,158 INFO L226 Difference]: Without dead ends: 567 [2020-10-29 11:39:03,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=196, Invalid=674, Unknown=0, NotChecked=0, Total=870 [2020-10-29 11:39:03,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-10-29 11:39:03,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 347. [2020-10-29 11:39:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-10-29 11:39:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 407 transitions. [2020-10-29 11:39:03,334 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 407 transitions. Word has length 66 [2020-10-29 11:39:03,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:03,335 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 407 transitions. [2020-10-29 11:39:03,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:39:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 407 transitions. [2020-10-29 11:39:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 11:39:03,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:03,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:39:03,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:39:03,340 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]=== [2020-10-29 11:39:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash 261325179, now seen corresponding path program 1 times [2020-10-29 11:39:03,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:03,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495451061] [2020-10-29 11:39:03,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:03,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:03,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:03,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-29 11:39:06,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:39:06,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2890 [2020-10-29 11:39:06,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:39:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:06,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 11:39:06,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,006 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:07,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:07,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 11:39:07,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:07,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:07,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:07,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:07,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:07,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:07,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:07,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:07,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:07,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:39:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:39:07,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:39:07,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:39:07,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:39:07,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:07,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:07,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:07,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:07,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:39:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:07,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:07,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:07,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:07,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 11:39:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:07,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:07,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:07,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 11:39:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:07,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:07,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:07,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:07,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:07,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:39:07,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495451061] [2020-10-29 11:39:07,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:07,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 11:39:07,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59428579] [2020-10-29 11:39:07,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 11:39:07,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:07,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 11:39:07,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:39:07,271 INFO L87 Difference]: Start difference. First operand 347 states and 407 transitions. Second operand 7 states. [2020-10-29 11:39:08,185 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:10,851 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:13,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:13,644 INFO L93 Difference]: Finished difference Result 1014 states and 1281 transitions. [2020-10-29 11:39:13,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 11:39:13,645 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2020-10-29 11:39:13,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:13,651 INFO L225 Difference]: With dead ends: 1014 [2020-10-29 11:39:13,651 INFO L226 Difference]: Without dead ends: 691 [2020-10-29 11:39:13,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:39:13,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-10-29 11:39:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 608. [2020-10-29 11:39:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2020-10-29 11:39:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 719 transitions. [2020-10-29 11:39:13,840 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 719 transitions. Word has length 71 [2020-10-29 11:39:13,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:13,841 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 719 transitions. [2020-10-29 11:39:13,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 11:39:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 719 transitions. [2020-10-29 11:39:13,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-29 11:39:13,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:13,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:39:13,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:39:13,844 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]=== [2020-10-29 11:39:13,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:13,845 INFO L82 PathProgramCache]: Analyzing trace with hash -666016174, now seen corresponding path program 1 times [2020-10-29 11:39:13,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:13,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241276382] [2020-10-29 11:39:13,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:13,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:13,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:16,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:16,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 11:39:16,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:39:16,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2697 [2020-10-29 11:39:16,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:16,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:39:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 11:39:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:17,335 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:17,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:17,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 11:39:17,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:17,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:17,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:17,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:17,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:17,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:17,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:17,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:39:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:17,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:17,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:17,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:17,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:17,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:17,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:39:17,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:39:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:39:17,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:39:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:39:17,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:39:17,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:39:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:39:17,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:39:17,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:17,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:39:17,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:39:17,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:17,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:17,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:17,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:39:17,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:17,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:17,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 11:39:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:17,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:17,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:17,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 11:39:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:17,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:17,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:17,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 11:39:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:17,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:17,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:17,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:17,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:17,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:17,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:17,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:39:17,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241276382] [2020-10-29 11:39:17,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:17,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:39:17,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076736445] [2020-10-29 11:39:17,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:39:17,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:17,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:39:17,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:39:17,682 INFO L87 Difference]: Start difference. First operand 608 states and 719 transitions. Second operand 9 states. [2020-10-29 11:39:18,516 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:19,784 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:23,043 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:25,194 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:39:30,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:30,664 INFO L93 Difference]: Finished difference Result 1423 states and 1848 transitions. [2020-10-29 11:39:30,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 11:39:30,665 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-10-29 11:39:30,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:30,674 INFO L225 Difference]: With dead ends: 1423 [2020-10-29 11:39:30,675 INFO L226 Difference]: Without dead ends: 1230 [2020-10-29 11:39:30,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2020-10-29 11:39:30,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-10-29 11:39:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1066. [2020-10-29 11:39:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-10-29 11:39:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1291 transitions. [2020-10-29 11:39:30,974 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1291 transitions. Word has length 85 [2020-10-29 11:39:30,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:30,975 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 1291 transitions. [2020-10-29 11:39:30,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:39:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1291 transitions. [2020-10-29 11:39:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-29 11:39:30,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:30,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:39:30,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:39:30,978 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]=== [2020-10-29 11:39:30,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash 966787825, now seen corresponding path program 1 times [2020-10-29 11:39:30,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:30,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377196353] [2020-10-29 11:39:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 11:39:31,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-29 11:39:31,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:31,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-29 11:39:31,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:31,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,046 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:32,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:32,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 11:39:32,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:32,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:32,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:32,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:32,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:32,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:32,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:32,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:32,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:32,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:32,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:32,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:32,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:39:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:39:32,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:39:32,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:39:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:32,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:32,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:39:32,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:39:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:32,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:32,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:32,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:39:32,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:32,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:32,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:32,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:32,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 11:39:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 11:39:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:32,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:32,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 11:39:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:32,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:32,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:32,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 11:39:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:32,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:32,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:32,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:32,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:32,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:32,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:32,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:32,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:39:32,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377196353] [2020-10-29 11:39:32,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:32,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:39:32,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87245412] [2020-10-29 11:39:32,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:39:32,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:32,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:39:32,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:39:32,298 INFO L87 Difference]: Start difference. First operand 1066 states and 1291 transitions. Second operand 8 states. [2020-10-29 11:39:34,145 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:34,897 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:35,683 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:38,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:38,330 INFO L93 Difference]: Finished difference Result 1725 states and 2173 transitions. [2020-10-29 11:39:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 11:39:38,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-10-29 11:39:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:38,339 INFO L225 Difference]: With dead ends: 1725 [2020-10-29 11:39:38,340 INFO L226 Difference]: Without dead ends: 1146 [2020-10-29 11:39:38,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:39:38,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2020-10-29 11:39:38,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1066. [2020-10-29 11:39:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-10-29 11:39:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1290 transitions. [2020-10-29 11:39:38,676 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1290 transitions. Word has length 85 [2020-10-29 11:39:38,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:38,676 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 1290 transitions. [2020-10-29 11:39:38,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:39:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1290 transitions. [2020-10-29 11:39:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-29 11:39:38,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:38,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:39:38,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:39:38,688 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]=== [2020-10-29 11:39:38,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:38,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1277195473, now seen corresponding path program 1 times [2020-10-29 11:39:38,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:38,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179867840] [2020-10-29 11:39:38,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:38,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 11:39:39,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-29 11:39:39,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 11:39:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:39:39,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:39,760 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:39,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 11:39:39,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:39,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:39,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:39,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:39:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:39:39,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:39:39,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:39,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:39:39,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:39:39,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:39,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:39:39,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:39:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:39,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:39,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 11:39:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 11:39:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:39,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 11:39:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 11:39:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:39:40,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179867840] [2020-10-29 11:39:40,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:40,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:39:40,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266453501] [2020-10-29 11:39:40,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:39:40,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:40,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:39:40,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:39:40,002 INFO L87 Difference]: Start difference. First operand 1066 states and 1290 transitions. Second operand 9 states. [2020-10-29 11:39:41,932 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:42,709 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:39:43,526 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:44,268 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:46,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:46,784 INFO L93 Difference]: Finished difference Result 2151 states and 2671 transitions. [2020-10-29 11:39:46,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:39:46,785 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-10-29 11:39:46,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:46,793 INFO L225 Difference]: With dead ends: 2151 [2020-10-29 11:39:46,794 INFO L226 Difference]: Without dead ends: 1109 [2020-10-29 11:39:46,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:39:46,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-29 11:39:47,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1045. [2020-10-29 11:39:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-10-29 11:39:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1252 transitions. [2020-10-29 11:39:47,116 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1252 transitions. Word has length 85 [2020-10-29 11:39:47,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:47,116 INFO L481 AbstractCegarLoop]: Abstraction has 1045 states and 1252 transitions. [2020-10-29 11:39:47,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:39:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1252 transitions. [2020-10-29 11:39:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-29 11:39:47,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:47,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:39:47,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:39:47,118 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]=== [2020-10-29 11:39:47,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:47,119 INFO L82 PathProgramCache]: Analyzing trace with hash 805309750, now seen corresponding path program 1 times [2020-10-29 11:39:47,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:47,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394353675] [2020-10-29 11:39:47,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:47,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:47,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:47,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 11:39:47,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:47,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-29 11:39:47,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:47,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-29 11:39:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 11:39:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,365 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:48,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:48,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 11:39:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:48,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:48,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:48,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:48,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:48,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:48,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:48,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:48,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:48,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:48,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:48,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:48,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:39:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:39:48,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:39:48,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:48,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:39:48,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:48,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:48,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:48,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:48,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:39:48,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:48,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:48,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:48,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 11:39:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:48,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:48,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:48,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 11:39:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:48,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:48,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:48,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:48,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 11:39:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:48,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:48,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:48,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:48,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:48,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:48,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:48,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:48,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:48,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:39:48,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1394353675] [2020-10-29 11:39:48,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:48,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:39:48,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123474177] [2020-10-29 11:39:48,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:39:48,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:48,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:39:48,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:39:48,637 INFO L87 Difference]: Start difference. First operand 1045 states and 1252 transitions. Second operand 9 states. [2020-10-29 11:39:50,883 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:52,307 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:53,227 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:54,044 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:55,075 INFO L93 Difference]: Finished difference Result 1593 states and 1914 transitions. [2020-10-29 11:39:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 11:39:55,076 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-10-29 11:39:55,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:55,077 INFO L225 Difference]: With dead ends: 1593 [2020-10-29 11:39:55,077 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:39:55,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-29 11:39:55,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:39:55,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:39:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:39:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:39:55,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2020-10-29 11:39:55,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:55,086 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:39:55,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:39:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:39:55,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:39:55,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:39:55,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:39:56,153 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 94 [2020-10-29 11:39:56,361 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 23 [2020-10-29 11:39:56,509 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 96 [2020-10-29 11:39:58,199 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 99 [2020-10-29 11:39:59,687 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 221 [2020-10-29 11:40:00,165 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 221 [2020-10-29 11:40:00,713 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 228 [2020-10-29 11:40:05,297 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 228 [2020-10-29 11:40:06,068 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 228 [2020-10-29 11:40:08,469 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 174 DAG size of output: 22 [2020-10-29 11:40:08,973 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2020-10-29 11:40:09,458 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-29 11:40:10,087 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:40:10,562 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-10-29 11:40:13,077 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 201 DAG size of output: 36 [2020-10-29 11:40:13,680 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:40:14,135 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-29 11:40:15,881 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-10-29 11:40:16,643 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-10-29 11:40:19,031 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2020-10-29 11:40:19,735 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:40:20,909 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-10-29 11:40:22,085 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 171 DAG size of output: 22 [2020-10-29 11:40:23,292 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-10-29 11:40:26,176 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 191 DAG size of output: 30 [2020-10-29 11:40:26,603 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-29 11:40:27,217 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-29 11:40:29,451 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 172 DAG size of output: 23 [2020-10-29 11:40:29,886 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-29 11:40:30,385 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2020-10-29 11:40:32,132 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-10-29 11:40:35,303 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 188 DAG size of output: 31 [2020-10-29 11:40:37,074 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 177 DAG size of output: 18 [2020-10-29 11:40:39,397 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-10-29 11:40:40,053 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:40:40,708 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:40:41,189 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-29 11:40:45,618 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 201 DAG size of output: 35 [2020-10-29 11:40:46,760 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 181 DAG size of output: 11 [2020-10-29 11:40:47,197 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-29 11:40:47,889 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:40:48,364 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-29 11:40:48,975 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:40:50,188 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-10-29 11:40:50,652 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-29 11:40:51,414 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 19 [2020-10-29 11:40:52,023 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:40:53,880 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-10-29 11:40:54,530 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:40:55,298 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 22 [2020-10-29 11:40:57,628 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-10-29 11:40:58,775 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-10-29 11:40:58,780 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:40:58,780 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:40:58,781 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:40:58,781 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:40:58,781 INFO L274 CegarLoopResult]: For program point L481(lines 458 482) no Hoare annotation was computed. [2020-10-29 11:40:58,781 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 434 489) no Hoare annotation was computed. [2020-10-29 11:40:58,782 INFO L274 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-10-29 11:40:58,782 INFO L274 CegarLoopResult]: For program point L465-1(lines 465 469) no Hoare annotation was computed. [2020-10-29 11:40:58,782 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 11:40:58,782 INFO L274 CegarLoopResult]: For program point L459-2(lines 459 480) no Hoare annotation was computed. [2020-10-29 11:40:58,782 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 434 489) no Hoare annotation was computed. [2020-10-29 11:40:58,782 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 434 489) no Hoare annotation was computed. [2020-10-29 11:40:58,782 INFO L274 CegarLoopResult]: For program point L542(lines 515 543) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 490 549) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 490 549) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 490 549) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point L522-1(lines 522 526) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point L516-2(lines 516 541) no Hoare annotation was computed. [2020-10-29 11:40:58,783 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 905 911) the Hoare annotation is: true [2020-10-29 11:40:58,783 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 905 911) no Hoare annotation was computed. [2020-10-29 11:40:58,784 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 912 920) no Hoare annotation was computed. [2020-10-29 11:40:58,784 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 912 920) the Hoare annotation is: true [2020-10-29 11:40:58,784 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 912 920) no Hoare annotation was computed. [2020-10-29 11:40:58,784 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 190 212) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:40:58,784 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 190 212) no Hoare annotation was computed. [2020-10-29 11:40:58,784 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 190 212) no Hoare annotation was computed. [2020-10-29 11:40:58,784 INFO L270 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:40:58,785 INFO L270 CegarLoopResult]: At program point L202-1(line 202) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:40:58,785 INFO L274 CegarLoopResult]: For program point L200(lines 200 207) no Hoare annotation was computed. [2020-10-29 11:40:58,785 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 207) no Hoare annotation was computed. [2020-10-29 11:40:58,785 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 11:40:58,785 INFO L270 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:40:58,785 INFO L270 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:40:58,785 INFO L270 CegarLoopResult]: At program point L196-1(line 196) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:40:58,785 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 146 169) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 146 169) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 146 169) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 11:40:58,786 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-29 11:40:58,787 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 11:40:58,787 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 11:40:58,787 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-29 11:40:58,787 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 11:40:58,787 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-29 11:40:58,787 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 11:40:58,787 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 309 317) no Hoare annotation was computed. [2020-10-29 11:40:58,787 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 309 317) the Hoare annotation is: true [2020-10-29 11:40:58,787 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 309 317) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point L348-1(line 348) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point L337(lines 337 345) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 318 353) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 318 353) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point L325(lines 325 333) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 333) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 318 353) no Hoare annotation was computed. [2020-10-29 11:40:58,788 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 898 904) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 898 904) the Hoare annotation is: true [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 388 433) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 388 433) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 388 433) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point L732(lines 732 733) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 701 746) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point L725(lines 725 726) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point L721(lines 721 728) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 725 726) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 732 733) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point L715(lines 715 735) no Hoare annotation was computed. [2020-10-29 11:40:58,789 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 701 746) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point L715-1(lines 715 735) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 701 746) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 177 186) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 177 186) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 177 186) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 298 308) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 298 308) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 298 308) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 290 297) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2020-10-29 11:40:58,790 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2020-10-29 11:40:58,791 INFO L274 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-10-29 11:40:58,791 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 872 885) no Hoare annotation was computed. [2020-10-29 11:40:58,791 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 872 885) the Hoare annotation is: true [2020-10-29 11:40:58,791 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 872 885) no Hoare annotation was computed. [2020-10-29 11:40:58,791 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 257 281) no Hoare annotation was computed. [2020-10-29 11:40:58,791 INFO L270 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 1)) .cse0) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-29 11:40:58,791 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 257 281) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-29 11:40:58,791 INFO L274 CegarLoopResult]: For program point L276-1(lines 257 281) no Hoare annotation was computed. [2020-10-29 11:40:58,791 INFO L270 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0))) [2020-10-29 11:40:58,792 INFO L270 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (and .cse0 (<= 1 processEnvironment_~tmp~2)) .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-29 11:40:58,792 INFO L274 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-10-29 11:40:58,792 INFO L270 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2020-10-29 11:40:58,792 INFO L274 CegarLoopResult]: For program point L263-1(line 263) no Hoare annotation was computed. [2020-10-29 11:40:58,792 INFO L274 CegarLoopResult]: For program point L261(lines 261 278) no Hoare annotation was computed. [2020-10-29 11:40:58,792 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 249 255) no Hoare annotation was computed. [2020-10-29 11:40:58,792 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 249 255) the Hoare annotation is: true [2020-10-29 11:40:58,792 INFO L270 CegarLoopResult]: At program point testENTRY(lines 47 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:40:58,792 INFO L274 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-10-29 11:40:58,792 INFO L270 CegarLoopResult]: At program point L95-2(lines 87 100) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 1)))) [2020-10-29 11:40:58,792 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-29 11:40:58,793 INFO L270 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 1)))) [2020-10-29 11:40:58,793 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-29 11:40:58,793 INFO L274 CegarLoopResult]: For program point testFINAL(lines 47 112) no Hoare annotation was computed. [2020-10-29 11:40:58,793 INFO L270 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 1)))) [2020-10-29 11:40:58,793 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-29 11:40:58,793 INFO L274 CegarLoopResult]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2020-10-29 11:40:58,793 INFO L270 CegarLoopResult]: At program point L102(lines 57 104) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 1)))) [2020-10-29 11:40:58,794 INFO L270 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 1)))) [2020-10-29 11:40:58,794 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-29 11:40:58,794 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2020-10-29 11:40:58,794 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-29 11:40:58,794 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (and .cse0 (= ~waterLevel~0 0)))) [2020-10-29 11:40:58,794 INFO L274 CegarLoopResult]: For program point testEXIT(lines 47 112) no Hoare annotation was computed. [2020-10-29 11:40:58,794 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 679 680) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point L669(lines 669 689) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 686 687) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point L669-1(lines 669 689) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 655 700) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 655 700) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 655 700) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point L686(lines 686 687) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point L679(lines 679 680) no Hoare annotation was computed. [2020-10-29 11:40:58,795 INFO L274 CegarLoopResult]: For program point L675(lines 675 682) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point L848(lines 848 856) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 840 862) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 840 862) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 840 862) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point L640(lines 640 651) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 552 654) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-10-29 11:40:58,796 INFO L274 CegarLoopResult]: For program point L601-2(lines 601 621) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point L622(lines 600 623) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 552 654) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point L581(lines 581 597) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point L641(lines 641 648) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point L602(lines 601 621) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point L598(lines 598 639) no Hoare annotation was computed. [2020-10-29 11:40:58,797 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 552 654) no Hoare annotation was computed. [2020-10-29 11:40:58,798 INFO L274 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-10-29 11:40:58,798 INFO L274 CegarLoopResult]: For program point L617-1(line 617) no Hoare annotation was computed. [2020-10-29 11:40:58,798 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 888 897) no Hoare annotation was computed. [2020-10-29 11:40:58,798 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 888 897) no Hoare annotation was computed. [2020-10-29 11:40:58,798 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 888 897) no Hoare annotation was computed. [2020-10-29 11:40:58,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:40:58,798 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:40:58,799 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:40:58,799 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 282 289) no Hoare annotation was computed. [2020-10-29 11:40:58,799 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 282 289) no Hoare annotation was computed. [2020-10-29 11:40:58,799 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 282 289) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-29 11:40:58,799 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 354 372) no Hoare annotation was computed. [2020-10-29 11:40:58,799 INFO L274 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2020-10-29 11:40:58,799 INFO L277 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: true [2020-10-29 11:40:58,799 INFO L274 CegarLoopResult]: For program point L363-2(lines 363 367) no Hoare annotation was computed. [2020-10-29 11:40:58,799 INFO L274 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-10-29 11:40:58,800 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 354 372) the Hoare annotation is: true [2020-10-29 11:40:58,800 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 354 372) no Hoare annotation was computed. [2020-10-29 11:40:58,800 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 863 871) the Hoare annotation is: true [2020-10-29 11:40:58,800 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 863 871) no Hoare annotation was computed. [2020-10-29 11:40:58,800 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 863 871) no Hoare annotation was computed. [2020-10-29 11:40:58,800 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (= ~pumpRunning~0 1)) .cse1 .cse2))) [2020-10-29 11:40:58,800 INFO L274 CegarLoopResult]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2020-10-29 11:40:58,800 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 819 830) no Hoare annotation was computed. [2020-10-29 11:40:58,800 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:40:58,800 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:40:58,801 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:40:58,801 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 225 248) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:40:58,801 INFO L270 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (= ~waterLevel~0 0)) (.cse0 (not .cse7)) (.cse4 (and .cse6 .cse5)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 (and .cse5 .cse3)) (or .cse4 .cse2 (not (= |old(~waterLevel~0)| 0))) (or .cse6 .cse1 (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse7) (or .cse0 .cse6 .cse2 .cse8) (or .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse8) (or .cse1 .cse5 .cse2)))) [2020-10-29 11:40:58,801 INFO L270 CegarLoopResult]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 1)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and .cse1 (= ~pumpRunning~0 1))) (.cse0 (not .cse8)) (.cse3 (= ~waterLevel~0 0)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse1 .cse4) .cse0 .cse2 .cse5 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse5 .cse6) (or .cse0 .cse7 .cse2 .cse3) (or .cse1 .cse7 (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse8) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 0))) (or .cse7 .cse4 .cse2)))) [2020-10-29 11:40:58,801 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 225 248) no Hoare annotation was computed. [2020-10-29 11:40:58,802 INFO L270 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 0))) (or .cse3 .cse1 .cse2))) [2020-10-29 11:40:58,802 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 225 248) no Hoare annotation was computed. [2020-10-29 11:40:58,802 INFO L274 CegarLoopResult]: For program point L229(lines 228 247) no Hoare annotation was computed. [2020-10-29 11:40:58,802 INFO L274 CegarLoopResult]: For program point L129(lines 129 133) no Hoare annotation was computed. [2020-10-29 11:40:58,802 INFO L270 CegarLoopResult]: At program point L129-1(lines 129 133) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 0))) (and (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (or (<= ~waterLevel~0 1) .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse0) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 0))))) [2020-10-29 11:40:58,802 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 115 144) no Hoare annotation was computed. [2020-10-29 11:40:58,802 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 11:40:58,802 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 115 144) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-29 11:40:58,802 INFO L270 CegarLoopResult]: At program point L125-2(lines 125 139) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 0))) (and (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (or (<= ~waterLevel~0 1) .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse0) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 0))))) [2020-10-29 11:40:58,803 INFO L270 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-29 11:40:58,803 INFO L274 CegarLoopResult]: For program point L121-1(line 121) no Hoare annotation was computed. [2020-10-29 11:40:58,803 INFO L277 CegarLoopResult]: At program point L140(lines 115 144) the Hoare annotation is: true [2020-10-29 11:40:58,803 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-29 11:40:58,803 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 831 839) the Hoare annotation is: true [2020-10-29 11:40:58,803 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 831 839) no Hoare annotation was computed. [2020-10-29 11:40:58,803 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 831 839) no Hoare annotation was computed. [2020-10-29 11:40:58,804 INFO L274 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2020-10-29 11:40:58,804 INFO L270 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 1))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~pumpRunning~0 0)) .cse1) (or .cse2 .cse1 (not (= ~waterLevel~0 0))) (or .cse2 .cse0 .cse1))) [2020-10-29 11:40:58,804 INFO L274 CegarLoopResult]: For program point L767-1(line 767) no Hoare annotation was computed. [2020-10-29 11:40:58,804 INFO L274 CegarLoopResult]: For program point L765(lines 765 778) no Hoare annotation was computed. [2020-10-29 11:40:58,804 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 750 782) no Hoare annotation was computed. [2020-10-29 11:40:58,804 INFO L274 CegarLoopResult]: For program point L765-1(lines 750 782) no Hoare annotation was computed. [2020-10-29 11:40:58,804 INFO L277 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-10-29 11:40:58,804 INFO L274 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-10-29 11:40:58,804 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 750 782) the Hoare annotation is: true [2020-10-29 11:40:58,804 INFO L274 CegarLoopResult]: For program point L759(lines 759 779) no Hoare annotation was computed. [2020-10-29 11:40:58,805 INFO L277 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: true [2020-10-29 11:40:58,805 INFO L274 CegarLoopResult]: For program point L757-1(line 757) no Hoare annotation was computed. [2020-10-29 11:40:58,805 INFO L270 CegarLoopResult]: At program point L773(line 773) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0) (or (not (= ~pumpRunning~0 1)) .cse0))) [2020-10-29 11:40:58,805 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 795 806) the Hoare annotation is: (or (not (= ~pumpRunning~0 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-10-29 11:40:58,805 INFO L274 CegarLoopResult]: For program point L799-1(lines 795 806) no Hoare annotation was computed. [2020-10-29 11:40:58,805 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 795 806) no Hoare annotation was computed. [2020-10-29 11:40:58,805 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 170 176) no Hoare annotation was computed. [2020-10-29 11:40:58,805 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 170 176) the Hoare annotation is: true [2020-10-29 11:40:58,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:40:58,806 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-29 11:40:58,806 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:40:58,806 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:40:58,806 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 373 380) no Hoare annotation was computed. [2020-10-29 11:40:58,806 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 373 380) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~pumpRunning~0 1)) .cse2))) [2020-10-29 11:40:58,806 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 373 380) no Hoare annotation was computed. [2020-10-29 11:40:58,806 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 807 818) no Hoare annotation was computed. [2020-10-29 11:40:58,806 INFO L274 CegarLoopResult]: For program point L811-1(lines 807 818) no Hoare annotation was computed. [2020-10-29 11:40:58,807 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 807 818) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 1)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-10-29 11:40:58,807 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 784 791) no Hoare annotation was computed. [2020-10-29 11:40:58,807 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 784 791) the Hoare annotation is: true [2020-10-29 11:40:58,807 INFO L274 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-10-29 11:40:58,807 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 784 791) no Hoare annotation was computed. [2020-10-29 11:40:58,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:40:58 BoogieIcfgContainer [2020-10-29 11:40:58,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:40:58,835 INFO L168 Benchmark]: Toolchain (without parser) took 165388.30 ms. Allocated memory was 161.5 MB in the beginning and 621.8 MB in the end (delta: 460.3 MB). Free memory was 116.4 MB in the beginning and 575.2 MB in the end (delta: -458.8 MB). Peak memory consumption was 372.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:40:58,836 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 161.5 MB. Free memory is still 134.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:40:58,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.45 ms. Allocated memory is still 161.5 MB. Free memory was 116.0 MB in the beginning and 135.9 MB in the end (delta: -19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:40:58,840 INFO L168 Benchmark]: Boogie Preprocessor took 90.80 ms. Allocated memory is still 161.5 MB. Free memory was 135.9 MB in the beginning and 131.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:40:58,841 INFO L168 Benchmark]: RCFGBuilder took 1529.68 ms. Allocated memory is still 161.5 MB. Free memory was 131.9 MB in the beginning and 102.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. [2020-10-29 11:40:58,842 INFO L168 Benchmark]: TraceAbstraction took 163208.60 ms. Allocated memory was 161.5 MB in the beginning and 621.8 MB in the end (delta: 460.3 MB). Free memory was 101.4 MB in the beginning and 575.2 MB in the end (delta: -473.8 MB). Peak memory consumption was 356.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:40:58,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 161.5 MB. Free memory is still 134.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 548.45 ms. Allocated memory is still 161.5 MB. Free memory was 116.0 MB in the beginning and 135.9 MB in the end (delta: -19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 90.80 ms. Allocated memory is still 161.5 MB. Free memory was 135.9 MB in the beginning and 131.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1529.68 ms. Allocated memory is still 161.5 MB. Free memory was 131.9 MB in the beginning and 102.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 163208.60 ms. Allocated memory was 161.5 MB in the beginning and 621.8 MB in the end (delta: 460.3 MB). Free memory was 101.4 MB in the beginning and 575.2 MB in the end (delta: -473.8 MB). Peak memory consumption was 356.2 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: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 679]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 725]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 732]: 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: 125]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) == 1) || \old(waterLevel) == waterLevel) || !(1 == systemActive)) || waterLevel == 0) && (((waterLevel <= 1 || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive))) && ((pumpRunning == \old(pumpRunning) || !(\old(pumpRunning) == 1)) || !(1 == systemActive))) && ((!(1 == systemActive) || waterLevel == 0) || !(\old(waterLevel) == 0)) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || (1 == systemActive && pumpRunning == 1) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || (1 == systemActive && pumpRunning == 1)) || (\old(waterLevel) == waterLevel && 1 == systemActive)) || (1 == systemActive && waterLevel == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 234 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 99.3s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 69.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 63.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1214 SDtfs, 2441 SDslu, 1629 SDs, 0 SdLazy, 6999 SolverSat, 1827 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 213 SyntacticMatches, 3 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 32.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1066occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 712 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 1869 PreInvPairs, 2196 NumberOfFragments, 1689 HoareAnnotationTreeSize, 1869 FomulaSimplifications, 3343147 FormulaSimplificationTreeSizeReduction, 10.9s HoareSimplificationTime, 54 FomulaSimplificationsInter, 60391 FormulaSimplificationTreeSizeReductionInter, 52.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 27.8s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 590 ConstructedInterpolants, 0 QuantifiedInterpolants, 195028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...