/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_spec4_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:45:44,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:45:44,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:45:44,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:45:44,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:45:44,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:45:44,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:45:44,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:45:44,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:45:44,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:45:44,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:45:44,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:45:44,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:45:44,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:45:44,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:45:44,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:45:44,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:45:44,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:45:44,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:45:44,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:45:44,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:45:44,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:45:44,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:45:44,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:45:44,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:45:44,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:45:44,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:45:44,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:45:44,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:45:44,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:45:44,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:45:44,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:45:44,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:45:44,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:45:44,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:45:44,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:45:44,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:45:44,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:45:44,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:45:44,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:45:44,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:45:44,731 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 11:45:44,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:45:44,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:45:44,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:45:44,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:45:44,796 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:45:44,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:45:44,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:45:44,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:45:44,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:45:44,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:45:44,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:45:44,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:45:44,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:45:44,800 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:45:44,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:45:44,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:45:44,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:45:44,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:45:44,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:45:44,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:45:44,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:45:44,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:45:44,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:45:44,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:45:44,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:45:44,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:45:44,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:45:44,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:45:44,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:45:44,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:45:45,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:45:45,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:45:45,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:45:45,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:45:45,313 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:45:45,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-10-29 11:45:45,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eff29139e/70b1f7a863f74d4ca89f205aee85fb06/FLAG2ae7bc207 [2020-10-29 11:45:46,211 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:45:46,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-10-29 11:45:46,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eff29139e/70b1f7a863f74d4ca89f205aee85fb06/FLAG2ae7bc207 [2020-10-29 11:45:46,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eff29139e/70b1f7a863f74d4ca89f205aee85fb06 [2020-10-29 11:45:46,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:45:46,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:45:46,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:45:46,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:45:46,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:45:46,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:45:46" (1/1) ... [2020-10-29 11:45:46,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af28c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:46, skipping insertion in model container [2020-10-29 11:45:46,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:45:46" (1/1) ... [2020-10-29 11:45:46,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:45:46,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:45:46,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:45:46,879 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:45:47,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:45:47,053 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:45:47,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47 WrapperNode [2020-10-29 11:45:47,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:45:47,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:45:47,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:45:47,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:45:47,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (1/1) ... [2020-10-29 11:45:47,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (1/1) ... [2020-10-29 11:45:47,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (1/1) ... [2020-10-29 11:45:47,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (1/1) ... [2020-10-29 11:45:47,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (1/1) ... [2020-10-29 11:45:47,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (1/1) ... [2020-10-29 11:45:47,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (1/1) ... [2020-10-29 11:45:47,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:45:47,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:45:47,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:45:47,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:45:47,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (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 11:45:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:45:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:45:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:45:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:45:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:45:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:45:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:45:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:45:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:45:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:45:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:45:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:45:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:45:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:45:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-29 11:45:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:45:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:45:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:45:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:45:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:45:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:45:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-29 11:45:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:45:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:45:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:45:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:45:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:45:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:45:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:45:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:45:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:45:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:45:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:45:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:45:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:45:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:45:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:45:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:45:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:45:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:45:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:45:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:45:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:45:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:45:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:45:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:45:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:45:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:45:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:45:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:45:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:45:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:45:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:45:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:45:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:45:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:45:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:45:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:45:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-29 11:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:45:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:45:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-29 11:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:45:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:45:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:45:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:45:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:45:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:45:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:45:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:45:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:45:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:45:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:45:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:45:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:45:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:45:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:45:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:45:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:45:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:45:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:45:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:45:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:45:48,738 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:45:48,738 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:45:48,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:45:48 BoogieIcfgContainer [2020-10-29 11:45:48,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:45:48,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:45:48,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:45:48,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:45:48,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:45:46" (1/3) ... [2020-10-29 11:45:48,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b1657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:45:48, skipping insertion in model container [2020-10-29 11:45:48,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:45:47" (2/3) ... [2020-10-29 11:45:48,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b1657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:45:48, skipping insertion in model container [2020-10-29 11:45:48,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:45:48" (3/3) ... [2020-10-29 11:45:48,750 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product47.cil.c [2020-10-29 11:45:48,763 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:45:48,768 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:45:48,782 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:45:48,811 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:45:48,812 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:45:48,812 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:45:48,812 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:45:48,812 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:45:48,812 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:45:48,813 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:45:48,813 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:45:48,837 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-10-29 11:45:48,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:45:48,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:48,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:45:48,853 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 11:45:48,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:48,860 INFO L82 PathProgramCache]: Analyzing trace with hash 2135674437, now seen corresponding path program 1 times [2020-10-29 11:45:48,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:48,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442932071] [2020-10-29 11:45:48,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:49,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:49,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:49,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:51,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:51,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:54,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:54,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:45:54,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:45:54,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-29 11:45:54,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:54,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:54,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:45:54,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:54,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:45:54,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 11:45:54,693 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:54,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:54,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:54,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:54,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:54,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:54,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 11:45:54,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:54,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:54,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:54,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:54,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:54,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:54,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:54,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:54,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:54,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:54,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:54,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:54,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:54,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:54,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:54,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:54,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:54,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:54,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:54,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:54,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:54,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:54,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:54,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:54,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:54,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:54,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:54,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:54,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:54,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:54,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:54,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:54,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:54,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:54,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:54,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:45:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:54,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:54,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:54,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:54,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:54,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:54,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:54,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:54,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:54,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:45:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:54,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:54,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:54,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:54,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:54,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:54,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:54,913 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 11:45:54,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442932071] [2020-10-29 11:45:54,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:45:54,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:45:54,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325282691] [2020-10-29 11:45:54,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:45:54,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:54,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:45:54,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:45:54,939 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-10-29 11:45:55,434 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:58,144 INFO L93 Difference]: Finished difference Result 477 states and 628 transitions. [2020-10-29 11:45:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:45:58,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:45:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:58,173 INFO L225 Difference]: With dead ends: 477 [2020-10-29 11:45:58,173 INFO L226 Difference]: Without dead ends: 312 [2020-10-29 11:45:58,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:45:58,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-10-29 11:45:58,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 249. [2020-10-29 11:45:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-29 11:45:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 300 transitions. [2020-10-29 11:45:58,369 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 300 transitions. Word has length 47 [2020-10-29 11:45:58,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:58,370 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 300 transitions. [2020-10-29 11:45:58,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:45:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 300 transitions. [2020-10-29 11:45:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-29 11:45:58,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:58,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:45:58,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:45:58,405 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 11:45:58,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:58,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1436184331, now seen corresponding path program 1 times [2020-10-29 11:45:58,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:58,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1357773914] [2020-10-29 11:45:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:58,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:59,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:59,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:01,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:03,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:03,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 11:46:03,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:46:03,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 11:46:03,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:03,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:46:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:46:03,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:03,861 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:46:03,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:46:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:03,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:03,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:03,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 11:46:03,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:03,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:46:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:03,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:03,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:03,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:03,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:03,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:03,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:03,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:03,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:03,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:03,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:46:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:03,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:03,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:03,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:03,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:03,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:03,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:03,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:03,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:03,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:03,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:03,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:03,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:03,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:03,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:03,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:03,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:03,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:03,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:46:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:04,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:04,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:04,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:04,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:04,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:04,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:04,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:04,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:04,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:04,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:04,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:04,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:46:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:04,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:04,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:04,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:04,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:04,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:04,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:04,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:46:04,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:04,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:46:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:04,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:04,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:04,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:04,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:04,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:04,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:04,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:04,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 11:46:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:04,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:04,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:04,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:04,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:04,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:04,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:04,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:04,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:04,077 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 11:46:04,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1357773914] [2020-10-29 11:46:04,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:46:04,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:46:04,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528666451] [2020-10-29 11:46:04,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:46:04,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:46:04,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:46:04,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:46:04,081 INFO L87 Difference]: Start difference. First operand 249 states and 300 transitions. Second operand 8 states. [2020-10-29 11:46:04,650 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:06,364 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:46:06,886 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:07,338 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:07,799 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:09,785 INFO L93 Difference]: Finished difference Result 809 states and 1090 transitions. [2020-10-29 11:46:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:46:09,788 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-29 11:46:09,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:09,808 INFO L225 Difference]: With dead ends: 809 [2020-10-29 11:46:09,808 INFO L226 Difference]: Without dead ends: 584 [2020-10-29 11:46:09,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:46:09,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-10-29 11:46:10,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 480. [2020-10-29 11:46:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2020-10-29 11:46:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 596 transitions. [2020-10-29 11:46:10,022 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 596 transitions. Word has length 58 [2020-10-29 11:46:10,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:10,023 INFO L481 AbstractCegarLoop]: Abstraction has 480 states and 596 transitions. [2020-10-29 11:46:10,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:46:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 596 transitions. [2020-10-29 11:46:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 11:46:10,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:10,036 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] [2020-10-29 11:46:10,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:46:10,037 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 11:46:10,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:10,037 INFO L82 PathProgramCache]: Analyzing trace with hash -704977659, now seen corresponding path program 1 times [2020-10-29 11:46:10,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:10,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90920568] [2020-10-29 11:46:10,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:10,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:10,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:11,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:11,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:13,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:13,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 11:46:13,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:46:13,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3202 [2020-10-29 11:46:13,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:13,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:46:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 11:46:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:13,818 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:46:13,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:46:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:13,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:13,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:13,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:13,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 11:46:13,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:13,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:46:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:13,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:13,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:13,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:13,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:13,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:13,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:13,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:13,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:13,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:13,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:13,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:13,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:46:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:13,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:13,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:13,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:13,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:13,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:13,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:13,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:13,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:13,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:13,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:13,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:13,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:13,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:13,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:13,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:13,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:46:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:13,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:13,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:13,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:13,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:13,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:13,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:13,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:13,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:14,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:46:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:14,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:14,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:14,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:14,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:46:14,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:46:14,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:14,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:46:14,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:14,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:46:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:14,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:14,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:14,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:14,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:14,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:14,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:14,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:14,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:14,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:14,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:14,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 11:46:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:14,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:14,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:14,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:14,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:14,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:14,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:14,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:14,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:14,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 11:46:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:14,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:14,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:14,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:14,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:14,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:46:14,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:14,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:14,144 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 11:46:14,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90920568] [2020-10-29 11:46:14,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:46:14,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 11:46:14,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118147096] [2020-10-29 11:46:14,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:46:14,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:46:14,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:46:14,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:46:14,149 INFO L87 Difference]: Start difference. First operand 480 states and 596 transitions. Second operand 10 states. [2020-10-29 11:46:14,745 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:16,314 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:46:16,830 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:17,233 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:46:18,342 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:18,824 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:21,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:21,020 INFO L93 Difference]: Finished difference Result 1324 states and 1889 transitions. [2020-10-29 11:46:21,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:46:21,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-29 11:46:21,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:21,032 INFO L225 Difference]: With dead ends: 1324 [2020-10-29 11:46:21,032 INFO L226 Difference]: Without dead ends: 868 [2020-10-29 11:46:21,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:46:21,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-10-29 11:46:21,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 712. [2020-10-29 11:46:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2020-10-29 11:46:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 905 transitions. [2020-10-29 11:46:21,278 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 905 transitions. Word has length 62 [2020-10-29 11:46:21,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:21,280 INFO L481 AbstractCegarLoop]: Abstraction has 712 states and 905 transitions. [2020-10-29 11:46:21,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:46:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 905 transitions. [2020-10-29 11:46:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-29 11:46:21,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:21,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:46:21,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:46:21,287 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 11:46:21,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:21,287 INFO L82 PathProgramCache]: Analyzing trace with hash 2003666585, now seen corresponding path program 1 times [2020-10-29 11:46:21,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:21,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456740869] [2020-10-29 11:46:21,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:21,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:21,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:26,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:26,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 11:46:26,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:46:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 11:46:26,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:26,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:46:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 11:46:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:26,830 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:46:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:46:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:26,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:26,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:26,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:26,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:26,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 11:46:26,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:26,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:26,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:26,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:46:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:26,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:26,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:26,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:26,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:26,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:26,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:26,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:26,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:26,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:26,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:26,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:26,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:26,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:46:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:26,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:26,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:26,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:26,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:26,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:26,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:26,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:26,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:26,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:26,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:26,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:26,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:26,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:26,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:26,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:26,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:26,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:46:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:26,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:26,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:26,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:26,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:26,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:26,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:26,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:26,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:26,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:26,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:46:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:26,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:26,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:26,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:26,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:26,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:26,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:26,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:46:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:46:26,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:46:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:46:27,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:46:27,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 11:46:27,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:46:27,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:46:27,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:46:27,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 11:46:27,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:46:27,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:46:27,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:46:27,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:46:27,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:27,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 11:46:27,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:46:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:27,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:27,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:27,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:27,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:27,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:46:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:46:27,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:46:27,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:27,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:46:27,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:27,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:27,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:27,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:27,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:27,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:27,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:27,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:27,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:27,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:27,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:27,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:27,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 11:46:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:27,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:27,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:46:27,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:27,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 11:46:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:27,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:27,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:27,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:27,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:27,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:27,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:27,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:27,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:27,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:27,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:27,412 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 11:46:27,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456740869] [2020-10-29 11:46:27,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:46:27,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-29 11:46:27,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328453480] [2020-10-29 11:46:27,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:46:27,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:46:27,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:46:27,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:46:27,417 INFO L87 Difference]: Start difference. First operand 712 states and 905 transitions. Second operand 15 states. [2020-10-29 11:46:28,138 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:29,205 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:30,152 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:30,590 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:46:31,066 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:46:31,532 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:31,991 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:32,473 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:32,919 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:33,411 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:33,915 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:46:34,396 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:46:34,928 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:35,427 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:46:37,647 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:38,075 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:38,520 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:46:38,978 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:39,437 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:46:42,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:42,559 INFO L93 Difference]: Finished difference Result 2045 states and 3193 transitions. [2020-10-29 11:46:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 11:46:42,560 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 99 [2020-10-29 11:46:42,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:42,573 INFO L225 Difference]: With dead ends: 2045 [2020-10-29 11:46:42,573 INFO L226 Difference]: Without dead ends: 1357 [2020-10-29 11:46:42,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=288, Invalid=1518, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 11:46:42,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2020-10-29 11:46:42,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1040. [2020-10-29 11:46:42,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2020-10-29 11:46:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1387 transitions. [2020-10-29 11:46:42,832 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1387 transitions. Word has length 99 [2020-10-29 11:46:42,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:42,832 INFO L481 AbstractCegarLoop]: Abstraction has 1040 states and 1387 transitions. [2020-10-29 11:46:42,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:46:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1387 transitions. [2020-10-29 11:46:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 11:46:42,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:42,838 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:46:42,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:46:42,839 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 11:46:42,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:42,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1098924525, now seen corresponding path program 1 times [2020-10-29 11:46:42,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:42,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231769086] [2020-10-29 11:46:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:42,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:42,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:42,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:43,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:43,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1596 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:44,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-29 11:46:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 11:46:44,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,854 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:46:44,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:46:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 11:46:44,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:44,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:46:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:44,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:44,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:44,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:46:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:44,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:44,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:44,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:46:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:44,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:44,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:44,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:44,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:44,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:46:44,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:44,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:46:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:44,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:44,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:46:45,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:46:45,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-29 11:46:45,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:45,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:46:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:46:45,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:46:45,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 11:46:45,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:46:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:45,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:46:45,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 11:46:45,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:46:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:46:45,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:46:45,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:46:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:45,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:45,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:46:45,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:45,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:45,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:46:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:46:45,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:45,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:46:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:45,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:45,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:45,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:45,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:45,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:46:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:46:45,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:45,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:45,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:45,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:45,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:45,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 11:46:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:45,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:45,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 11:46:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:45,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:45,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:45,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 11:46:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:45,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:45,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:45,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:45,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:45,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:45,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:45,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 11:46:45,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231769086] [2020-10-29 11:46:45,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:46:45,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:46:45,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773049535] [2020-10-29 11:46:45,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:46:45,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:46:45,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:46:45,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:46:45,317 INFO L87 Difference]: Start difference. First operand 1040 states and 1387 transitions. Second operand 11 states. [2020-10-29 11:46:46,091 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:46,980 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:47,390 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:47,789 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:46:49,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:49,227 INFO L93 Difference]: Finished difference Result 1797 states and 2413 transitions. [2020-10-29 11:46:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:46:49,228 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-29 11:46:49,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:49,235 INFO L225 Difference]: With dead ends: 1797 [2020-10-29 11:46:49,235 INFO L226 Difference]: Without dead ends: 781 [2020-10-29 11:46:49,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:46:49,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-29 11:46:49,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 735. [2020-10-29 11:46:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-10-29 11:46:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 902 transitions. [2020-10-29 11:46:49,414 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 902 transitions. Word has length 124 [2020-10-29 11:46:49,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:49,415 INFO L481 AbstractCegarLoop]: Abstraction has 735 states and 902 transitions. [2020-10-29 11:46:49,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:46:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 902 transitions. [2020-10-29 11:46:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-29 11:46:49,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:49,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:46:49,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:46:49,419 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 11:46:49,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:49,419 INFO L82 PathProgramCache]: Analyzing trace with hash 916970499, now seen corresponding path program 1 times [2020-10-29 11:46:49,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:49,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290380613] [2020-10-29 11:46:49,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:49,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:49,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:49,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-29 11:46:52,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:46:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2650 [2020-10-29 11:46:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 11:46:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-29 11:46:52,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,543 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:46:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:46:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:52,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 11:46:52,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:46:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:46:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:52,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:52,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:52,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:46:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:52,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:52,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:52,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:52,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:52,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:52,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:52,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:46:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:46:52,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:52,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:46:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:46:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:52,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:52,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:46:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:46:52,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:46:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:52,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:52,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:46:52,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:46:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:46:52,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:46:52,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 11:46:52,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 11:46:52,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:46:52,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:46:52,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:46:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:46:52,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:46:52,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:52,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:46:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:46:52,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:52,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:52,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:52,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:46:52,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:52,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:52,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:46:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:46:52,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:52,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:52,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:52,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:46:52,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:52,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:52,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:52,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:52,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:52,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:46:52,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:46:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:52,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:46:52,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:46:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:46:52,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:46:52,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:46:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:46:52,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:46:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:52,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:46:52,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:52,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:52,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 11:46:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:52,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:52,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:52,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:52,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:52,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:52,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:52,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:52,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:46:52,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:46:52,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:46:52,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:53,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 11:46:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:53,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:53,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:53,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:53,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:53,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:46:53,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:53,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:46:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:46:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:46:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:53,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 11:46:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:46:53,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:46:53,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:46:53,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:46:53,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:46:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:46:53,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:46:53,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:46:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:46:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:46:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:46:53,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:46:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 11:46:53,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290380613] [2020-10-29 11:46:53,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:46:53,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 11:46:53,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131554002] [2020-10-29 11:46:53,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:46:53,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:46:53,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:46:53,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:46:53,095 INFO L87 Difference]: Start difference. First operand 735 states and 902 transitions. Second operand 15 states. [2020-10-29 11:46:54,126 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 204 [2020-10-29 11:46:55,478 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:46:56,775 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:46:57,655 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:46:58,452 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:46:59,204 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-29 11:47:00,058 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-29 11:47:00,883 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-29 11:47:02,834 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 204 [2020-10-29 11:47:03,696 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:47:04,534 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:47:05,303 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:47:06,485 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:47:07,813 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:47:08,414 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:47:10,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:47:10,943 INFO L93 Difference]: Finished difference Result 2366 states and 3387 transitions. [2020-10-29 11:47:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-29 11:47:10,949 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 132 [2020-10-29 11:47:10,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:47:10,962 INFO L225 Difference]: With dead ends: 2366 [2020-10-29 11:47:10,962 INFO L226 Difference]: Without dead ends: 1778 [2020-10-29 11:47:10,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 897 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=616, Invalid=2354, Unknown=0, NotChecked=0, Total=2970 [2020-10-29 11:47:10,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2020-10-29 11:47:11,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1424. [2020-10-29 11:47:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2020-10-29 11:47:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 1826 transitions. [2020-10-29 11:47:11,276 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 1826 transitions. Word has length 132 [2020-10-29 11:47:11,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:47:11,276 INFO L481 AbstractCegarLoop]: Abstraction has 1424 states and 1826 transitions. [2020-10-29 11:47:11,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:47:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1826 transitions. [2020-10-29 11:47:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-29 11:47:11,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:47:11,282 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:47:11,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:47:11,282 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 11:47:11,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:47:11,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1524247207, now seen corresponding path program 2 times [2020-10-29 11:47:11,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:47:11,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193388961] [2020-10-29 11:47:11,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:47:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:11,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:11,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:11,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:11,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:11,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 11:47:11,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:47:11,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-29 11:47:11,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:11,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:47:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-29 11:47:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 11:47:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,059 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:47:12,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:47:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 11:47:12,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:47:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:47:12,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:47:12,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:47:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:47:12,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:47:12,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:47:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:47:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:47:12,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:47:12,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:47:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:47:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:47:12,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:47:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 11:47:12,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 11:47:12,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:47:12,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:47:12,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:47:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:47:12,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 11:47:12,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:47:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:47:12,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:47:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:47:12,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:47:12,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:47:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:47:12,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:47:12,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:47:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:47:12,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:47:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:47:12,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:47:12,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:47:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:47:12,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:47:12,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:47:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:47:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:47:12,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:47:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:47:12,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:47:12,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:47:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:47:12,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:47:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:47:12,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 11:47:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:47:12,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:47:12,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:47:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-29 11:47:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:47:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:47:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:47:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:47:12,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:47:12,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:47:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:47:12,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:47:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:47:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 11:47:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:47:12,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-29 11:47:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:47:12,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:47:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-29 11:47:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:47:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:47:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:47:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:47:12,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:47:12,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:47:12,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:47:12,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:47:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:47:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:47:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:47:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:47:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 11:47:12,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193388961] [2020-10-29 11:47:12,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:47:12,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 11:47:12,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160658758] [2020-10-29 11:47:12,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:47:12,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:47:12,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:47:12,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:47:12,460 INFO L87 Difference]: Start difference. First operand 1424 states and 1826 transitions. Second operand 9 states. [2020-10-29 11:47:12,968 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:47:13,802 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:47:15,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:47:15,599 INFO L93 Difference]: Finished difference Result 1793 states and 2288 transitions. [2020-10-29 11:47:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 11:47:15,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-10-29 11:47:15,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:47:15,607 INFO L225 Difference]: With dead ends: 1793 [2020-10-29 11:47:15,607 INFO L226 Difference]: Without dead ends: 701 [2020-10-29 11:47:15,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:47:15,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2020-10-29 11:47:15,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 656. [2020-10-29 11:47:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-29 11:47:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 814 transitions. [2020-10-29 11:47:15,780 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 814 transitions. Word has length 159 [2020-10-29 11:47:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:47:15,781 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 814 transitions. [2020-10-29 11:47:15,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:47:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 814 transitions. [2020-10-29 11:47:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-29 11:47:15,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:47:15,789 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:47:15,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:47:15,789 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 11:47:15,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:47:15,790 INFO L82 PathProgramCache]: Analyzing trace with hash -652272778, now seen corresponding path program 1 times [2020-10-29 11:47:15,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:47:15,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809940482] [2020-10-29 11:47:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:47:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 11:47:15,838 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 11:47:15,839 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 11:47:15,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:47:15,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:47:15 BoogieIcfgContainer [2020-10-29 11:47:15,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:47:15,884 INFO L168 Benchmark]: Toolchain (without parser) took 89394.53 ms. Allocated memory was 152.0 MB in the beginning and 751.8 MB in the end (delta: 599.8 MB). Free memory was 127.0 MB in the beginning and 308.3 MB in the end (delta: -181.3 MB). Peak memory consumption was 419.8 MB. Max. memory is 8.0 GB. [2020-10-29 11:47:15,885 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 152.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:47:15,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.71 ms. Allocated memory is still 152.0 MB. Free memory was 126.3 MB in the beginning and 104.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:47:15,886 INFO L168 Benchmark]: Boogie Preprocessor took 140.98 ms. Allocated memory is still 152.0 MB. Free memory was 104.7 MB in the beginning and 100.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:47:15,890 INFO L168 Benchmark]: RCFGBuilder took 1540.73 ms. Allocated memory is still 152.0 MB. Free memory was 100.8 MB in the beginning and 59.4 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. [2020-10-29 11:47:15,891 INFO L168 Benchmark]: TraceAbstraction took 87136.23 ms. Allocated memory was 152.0 MB in the beginning and 751.8 MB in the end (delta: 599.8 MB). Free memory was 59.4 MB in the beginning and 308.3 MB in the end (delta: -248.8 MB). Peak memory consumption was 352.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:47:15,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 152.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 561.71 ms. Allocated memory is still 152.0 MB. Free memory was 126.3 MB in the beginning and 104.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 140.98 ms. Allocated memory is still 152.0 MB. Free memory was 104.7 MB in the beginning and 100.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1540.73 ms. Allocated memory is still 152.0 MB. Free memory was 100.8 MB in the beginning and 59.4 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 87136.23 ms. Allocated memory was 152.0 MB in the beginning and 751.8 MB in the end (delta: 599.8 MB). Free memory was 59.4 MB in the beginning and 308.3 MB in the end (delta: -248.8 MB). Peak memory consumption was 352.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L221] int pumpRunning = 0; [L222] int systemActive = 1; [L601] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L861] int retValue_acc ; [L864] retValue_acc = 1 [L865] return (retValue_acc); [L130] RET, EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L114] CALL test() [L148] int splverifierCounter ; [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L152] int tmp___2 ; [L155] splverifierCounter = 0 [L157] COND TRUE 1 [L159] COND TRUE splverifierCounter < 4 [L165] tmp = __VERIFIER_nondet_int() [L167] COND TRUE \read(tmp) [L169] CALL waterRise() [L888] COND TRUE waterLevel < 2 [L889] waterLevel = waterLevel + 1 [L169] RET waterRise() [L175] tmp___0 = __VERIFIER_nondet_int() [L177] COND FALSE !(\read(tmp___0)) [L185] tmp___2 = __VERIFIER_nondet_int() [L187] COND TRUE \read(tmp___2) [L202] CALL timeShift() [L229] COND FALSE !(\read(pumpRunning)) [L236] COND TRUE \read(systemActive) [L238] CALL processEnvironment() [L284] int tmp ; [L287] COND FALSE !(\read(pumpRunning)) [L302] CALL processEnvironment__wrappee__methaneQuery() [L258] int tmp ; [L261] COND TRUE ! pumpRunning [L263] CALL, EXPR isHighWaterLevel() [L398] int retValue_acc ; [L399] int tmp ; [L400] int tmp___0 ; [L404] CALL, EXPR isHighWaterSensorDry() [L950] int retValue_acc ; [L953] COND FALSE !(waterLevel < 2) [L957] retValue_acc = 0 [L958] return (retValue_acc); [L404] RET, EXPR isHighWaterSensorDry() [L404] tmp = isHighWaterSensorDry() [L406] COND FALSE !(\read(tmp)) [L409] tmp___0 = 1 [L411] retValue_acc = tmp___0 [L412] return (retValue_acc); [L263] RET, EXPR isHighWaterLevel() [L263] tmp = isHighWaterLevel() [L265] COND TRUE \read(tmp) [L267] CALL activatePump() [L317] int tmp ; [L321] CALL, EXPR isMethaneAlarm() [L342] int retValue_acc ; [L346] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L346] RET, EXPR isMethaneLevelCritical() [L346] retValue_acc = isMethaneLevelCritical() [L348] return (retValue_acc); [L321] RET, EXPR isMethaneAlarm() [L321] tmp = isMethaneAlarm() [L323] COND FALSE !(\read(tmp)) [L327] CALL activatePump__wrappee__highWaterSensor() [L312] pumpRunning = 1 [L327] RET activatePump__wrappee__highWaterSensor() [L267] RET activatePump() [L302] RET processEnvironment__wrappee__methaneQuery() [L238] RET processEnvironment() [L244] CALL __utac_acc__Specification4_spec__1() [L801] int tmp ; [L802] int tmp___0 ; [L806] CALL, EXPR getWaterLevel() [L941] int retValue_acc ; [L944] retValue_acc = waterLevel [L945] return (retValue_acc); [L806] RET, EXPR getWaterLevel() [L806] tmp = getWaterLevel() [L808] COND FALSE !(tmp == 0) [L244] RET __utac_acc__Specification4_spec__1() [L202] RET timeShift() [L157] COND TRUE 1 [L159] COND TRUE splverifierCounter < 4 [L165] tmp = __VERIFIER_nondet_int() [L167] COND FALSE !(\read(tmp)) [L175] tmp___0 = __VERIFIER_nondet_int() [L177] COND FALSE !(\read(tmp___0)) [L185] tmp___2 = __VERIFIER_nondet_int() [L187] COND TRUE \read(tmp___2) [L202] CALL timeShift() [L229] COND TRUE \read(pumpRunning) [L231] CALL lowerWaterLevel() [L876] COND TRUE waterLevel > 0 [L877] waterLevel = waterLevel - 1 [L231] RET lowerWaterLevel() [L236] COND TRUE \read(systemActive) [L238] CALL processEnvironment() [L284] int tmp ; [L287] COND TRUE \read(pumpRunning) [L289] CALL, EXPR isMethaneAlarm() [L342] int retValue_acc ; [L346] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L346] RET, EXPR isMethaneLevelCritical() [L346] retValue_acc = isMethaneLevelCritical() [L348] return (retValue_acc); [L289] RET, EXPR isMethaneAlarm() [L289] tmp = isMethaneAlarm() [L291] COND FALSE !(\read(tmp)) [L297] CALL processEnvironment__wrappee__methaneQuery() [L258] int tmp ; [L261] COND FALSE !(! pumpRunning) [L276] FCALL processEnvironment__wrappee__base() [L297] RET processEnvironment__wrappee__methaneQuery() [L238] RET processEnvironment() [L244] CALL __utac_acc__Specification4_spec__1() [L801] int tmp ; [L802] int tmp___0 ; [L806] CALL, EXPR getWaterLevel() [L941] int retValue_acc ; [L944] retValue_acc = waterLevel [L945] return (retValue_acc); [L806] RET, EXPR getWaterLevel() [L806] tmp = getWaterLevel() [L808] COND FALSE !(tmp == 0) [L244] RET __utac_acc__Specification4_spec__1() [L202] RET timeShift() [L157] COND TRUE 1 [L159] COND TRUE splverifierCounter < 4 [L165] tmp = __VERIFIER_nondet_int() [L167] COND FALSE !(\read(tmp)) [L175] tmp___0 = __VERIFIER_nondet_int() [L177] COND FALSE !(\read(tmp___0)) [L185] tmp___2 = __VERIFIER_nondet_int() [L187] COND TRUE \read(tmp___2) [L202] CALL timeShift() [L229] COND TRUE \read(pumpRunning) [L231] CALL lowerWaterLevel() [L876] COND TRUE waterLevel > 0 [L877] waterLevel = waterLevel - 1 [L231] RET lowerWaterLevel() [L236] COND TRUE \read(systemActive) [L238] CALL processEnvironment() [L284] int tmp ; [L287] COND TRUE \read(pumpRunning) [L289] CALL, EXPR isMethaneAlarm() [L342] int retValue_acc ; [L346] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L346] RET, EXPR isMethaneLevelCritical() [L346] retValue_acc = isMethaneLevelCritical() [L348] return (retValue_acc); [L289] RET, EXPR isMethaneAlarm() [L289] tmp = isMethaneAlarm() [L291] COND FALSE !(\read(tmp)) [L297] CALL processEnvironment__wrappee__methaneQuery() [L258] int tmp ; [L261] COND FALSE !(! pumpRunning) [L276] FCALL processEnvironment__wrappee__base() [L297] RET processEnvironment__wrappee__methaneQuery() [L238] RET processEnvironment() [L244] CALL __utac_acc__Specification4_spec__1() [L801] int tmp ; [L802] int tmp___0 ; [L806] CALL, EXPR getWaterLevel() [L941] int retValue_acc ; [L944] retValue_acc = waterLevel [L945] return (retValue_acc); [L806] RET, EXPR getWaterLevel() [L806] tmp = getWaterLevel() [L808] COND TRUE tmp == 0 [L810] CALL, EXPR isPumpRunning() [L353] int retValue_acc ; [L356] retValue_acc = pumpRunning [L357] return (retValue_acc); [L810] RET, EXPR isPumpRunning() [L810] tmp___0 = isPumpRunning() [L812] COND TRUE \read(tmp___0) [L814] CALL __automaton_fail() [L830] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product47.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 250 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 87.0s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 55.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1067 SDtfs, 3758 SDslu, 1942 SDs, 0 SdLazy, 9528 SolverSat, 2853 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 404 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1470 ImplicationChecksByTransitivity, 28.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1424occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1085 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 882 NumberOfCodeBlocks, 882 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 674 ConstructedInterpolants, 0 QuantifiedInterpolants, 276430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 86/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...