/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:48:01,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:48:01,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:48:01,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:48:01,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:48:01,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:48:01,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:48:01,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:48:01,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:48:01,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:48:01,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:48:01,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:48:01,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:48:01,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:48:01,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:48:01,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:48:01,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:48:01,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:48:01,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:48:01,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:48:01,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:48:01,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:48:01,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:48:01,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:48:01,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:48:01,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:48:01,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:48:01,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:48:01,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:48:01,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:48:01,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:48:01,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:48:01,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:48:01,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:48:01,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:48:01,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:48:01,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:48:01,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:48:01,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:48:01,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:48:01,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:48:01,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:48:01,703 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:48:01,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:48:01,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:48:01,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:48:01,705 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:48:01,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:48:01,706 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:48:01,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:48:01,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:48:01,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:48:01,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:48:01,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:48:01,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:48:01,707 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:48:01,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:48:01,708 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:48:01,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:48:01,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:48:01,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:48:01,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:48:01,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:48:01,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:48:01,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:48:01,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:48:01,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:48:01,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:48:01,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:48:01,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:48:01,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:48:01,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:48:02,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:48:02,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:48:02,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:48:02,184 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:48:02,185 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:48:02,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-28 17:48:02,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a25d111bb/24116510bf784b79803ae5e0f4e7ec8c/FLAG21c1c0439 [2020-10-28 17:48:02,931 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:48:02,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-28 17:48:02,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a25d111bb/24116510bf784b79803ae5e0f4e7ec8c/FLAG21c1c0439 [2020-10-28 17:48:03,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a25d111bb/24116510bf784b79803ae5e0f4e7ec8c [2020-10-28 17:48:03,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:48:03,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:48:03,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:48:03,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:48:03,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:48:03,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfe779e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03, skipping insertion in model container [2020-10-28 17:48:03,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:48:03,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:48:03,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:48:03,656 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:48:03,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:48:03,823 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:48:03,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03 WrapperNode [2020-10-28 17:48:03,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:48:03,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:48:03,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:48:03,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:48:03,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (1/1) ... [2020-10-28 17:48:03,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:48:03,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:48:03,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:48:03,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:48:03,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:48:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:48:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:48:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:48:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 17:48:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-28 17:48:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-28 17:48:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-28 17:48:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-28 17:48:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-28 17:48:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-28 17:48:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-28 17:48:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2020-10-28 17:48:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-28 17:48:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-28 17:48:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:48:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-28 17:48:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:48:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:48:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:48:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:48:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 17:48:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 17:48:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-28 17:48:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-28 17:48:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 17:48:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-28 17:48:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-28 17:48:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-28 17:48:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-28 17:48:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-28 17:48:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-28 17:48:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-28 17:48:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-28 17:48:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-28 17:48:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2020-10-28 17:48:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-28 17:48:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-28 17:48:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:48:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:48:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:48:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:48:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:48:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:48:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:48:05,062 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:48:05,062 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 17:48:05,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:48:05 BoogieIcfgContainer [2020-10-28 17:48:05,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:48:05,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:48:05,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:48:05,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:48:05,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:48:03" (1/3) ... [2020-10-28 17:48:05,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795c78c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:48:05, skipping insertion in model container [2020-10-28 17:48:05,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:48:03" (2/3) ... [2020-10-28 17:48:05,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795c78c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:48:05, skipping insertion in model container [2020-10-28 17:48:05,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:48:05" (3/3) ... [2020-10-28 17:48:05,074 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-28 17:48:05,086 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:48:05,092 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 17:48:05,106 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 17:48:05,136 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:48:05,136 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:48:05,137 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:48:05,137 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:48:05,137 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:48:05,137 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:48:05,137 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:48:05,137 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:48:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-10-28 17:48:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 17:48:05,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:48:05,174 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] [2020-10-28 17:48:05,174 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:48:05,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:48:05,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1487453024, now seen corresponding path program 1 times [2020-10-28 17:48:05,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:48:05,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087412819] [2020-10-28 17:48:05,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:48:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:05,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:06,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:06,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 17:48:06,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:06,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 694 [2020-10-28 17:48:06,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:06,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:06,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:06,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 17:48:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:48:06,695 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:48:06,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:48:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:06,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:06,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:06,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:48:06,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:06,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 17:48:06,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:06,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:06,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:48:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:06,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:06,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:06,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:48:06,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 17:48:06,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:06,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:06,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:48:06,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:48:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:06,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:06,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:06,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:48:06,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:48:06,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:06,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:48:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:06,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:06,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 17:48:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:06,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:06,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:06,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:06,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:06,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:48:06,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:06,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:06,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 17:48:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:06,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:06,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:06,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:06,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 17:48:06,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:06,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:06,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 17:48:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:07,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:07,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:07,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:07,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:48:07,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:07,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:07,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 17:48:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:07,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:07,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:07,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:07,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:07,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:07,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:07,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:48:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:07,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:07,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:07,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:07,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:07,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:07,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:07,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:48:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:07,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:07,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:07,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:07,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:48:07,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:07,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:07,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:07,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 17:48:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:07,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:07,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:07,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:07,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:07,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:07,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:07,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 17:48:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:07,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:07,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:07,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:07,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:07,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:07,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:07,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:07,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:07,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 17:48:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:07,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:07,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:07,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:48:07,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:07,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:48:07,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:07,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:48:07,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:07,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:48:07,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087412819] [2020-10-28 17:48:07,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:48:07,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 17:48:07,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025920218] [2020-10-28 17:48:07,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:48:07,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:48:07,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:48:07,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:48:07,303 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 11 states. [2020-10-28 17:48:07,746 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:48:08,033 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:08,299 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:08,578 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:08,877 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:09,205 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:09,526 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:09,822 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:10,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:48:10,030 INFO L93 Difference]: Finished difference Result 308 states and 467 transitions. [2020-10-28 17:48:10,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:48:10,033 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-10-28 17:48:10,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:48:10,045 INFO L225 Difference]: With dead ends: 308 [2020-10-28 17:48:10,045 INFO L226 Difference]: Without dead ends: 188 [2020-10-28 17:48:10,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:48:10,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-28 17:48:10,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-10-28 17:48:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-28 17:48:10,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 294 transitions. [2020-10-28 17:48:10,123 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 294 transitions. Word has length 89 [2020-10-28 17:48:10,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:48:10,123 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 294 transitions. [2020-10-28 17:48:10,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:48:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 294 transitions. [2020-10-28 17:48:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 17:48:10,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:48:10,129 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] [2020-10-28 17:48:10,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:48:10,129 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:48:10,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:48:10,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1920291426, now seen corresponding path program 1 times [2020-10-28 17:48:10,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:48:10,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502062414] [2020-10-28 17:48:10,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:48:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:10,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 17:48:11,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-10-28 17:48:11,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:48:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 17:48:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 17:48:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:11,612 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:48:11,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:48:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:11,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:48:11,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 17:48:11,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:11,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:11,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:11,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:11,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:48:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:11,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:48:11,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 17:48:11,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:48:11,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:11,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:48:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:11,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:48:11,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:48:11,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:48:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:48:11,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 17:48:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:11,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:11,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:11,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:11,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:11,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 17:48:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:11,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:11,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:11,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:11,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:11,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 17:48:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:11,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:11,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:11,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:11,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 17:48:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:11,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:11,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:11,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:11,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:11,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:48:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:11,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:11,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:11,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:11,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:48:11,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:11,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:12,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:48:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:12,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:12,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:12,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:12,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:12,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:12,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:12,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:12,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 17:48:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:12,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:12,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:12,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:48:12,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:12,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:12,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:12,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 17:48:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:12,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:12,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:12,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:12,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:12,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:48:12,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:12,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:12,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:12,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 17:48:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:12,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:12,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:12,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:48:12,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:48:12,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:12,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:48:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:48:12,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502062414] [2020-10-28 17:48:12,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:48:12,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-28 17:48:12,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612078728] [2020-10-28 17:48:12,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 17:48:12,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:48:12,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 17:48:12,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:48:12,170 INFO L87 Difference]: Start difference. First operand 188 states and 294 transitions. Second operand 17 states. [2020-10-28 17:48:12,690 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 17:48:13,116 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 17:48:13,700 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 17:48:14,158 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 17:48:15,276 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:48:15,581 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:15,885 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:16,177 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:16,478 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:16,773 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:17,029 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:17,301 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:17,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:48:17,604 INFO L93 Difference]: Finished difference Result 303 states and 455 transitions. [2020-10-28 17:48:17,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 17:48:17,605 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 89 [2020-10-28 17:48:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:48:17,609 INFO L225 Difference]: With dead ends: 303 [2020-10-28 17:48:17,609 INFO L226 Difference]: Without dead ends: 188 [2020-10-28 17:48:17,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2020-10-28 17:48:17,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-28 17:48:17,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-10-28 17:48:17,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-28 17:48:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 233 transitions. [2020-10-28 17:48:17,643 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 233 transitions. Word has length 89 [2020-10-28 17:48:17,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:48:17,643 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 233 transitions. [2020-10-28 17:48:17,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 17:48:17,643 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 233 transitions. [2020-10-28 17:48:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 17:48:17,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:48:17,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:48:17,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:48:17,651 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:48:17,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:48:17,651 INFO L82 PathProgramCache]: Analyzing trace with hash 207788110, now seen corresponding path program 1 times [2020-10-28 17:48:17,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:48:17,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810915787] [2020-10-28 17:48:17,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:48:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:17,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:18,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:18,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:21,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:21,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:22,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:22,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:22,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:48:22,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:48:22,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-28 17:48:22,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:22,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:48:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 17:48:22,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:23,160 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:48:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:48:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:48:23,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:48:23,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:48:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 17:48:23,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 17:48:23,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 17:48:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:48:23,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:48:23,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:48:23,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 17:48:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:23,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:48:23,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:48:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:23,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:48:23,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 17:48:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:23,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:48:23,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:23,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:48:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:23,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:48:23,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:23,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:48:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:23,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:23,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:23,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 17:48:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:23,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:23,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:23,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 17:48:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:23,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:23,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:23,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 17:48:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:23,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:48:23,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:48:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:48:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 17:48:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:23,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:23,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:23,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:48:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:48:23,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810915787] [2020-10-28 17:48:23,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:48:23,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 17:48:23,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210119935] [2020-10-28 17:48:23,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:48:23,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:48:23,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:48:23,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:48:23,772 INFO L87 Difference]: Start difference. First operand 188 states and 233 transitions. Second operand 14 states. [2020-10-28 17:48:24,181 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-28 17:48:24,720 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 17:48:24,956 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:25,234 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:25,481 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:25,727 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:25,975 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:26,230 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:26,469 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:26,802 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:48:26,990 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:27,186 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:27,402 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:27,632 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:27,859 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:28,076 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:28,312 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:48:28,497 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 17:48:28,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:48:28,700 INFO L93 Difference]: Finished difference Result 400 states and 533 transitions. [2020-10-28 17:48:28,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 17:48:28,708 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-28 17:48:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:48:28,713 INFO L225 Difference]: With dead ends: 400 [2020-10-28 17:48:28,714 INFO L226 Difference]: Without dead ends: 291 [2020-10-28 17:48:28,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-28 17:48:28,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-28 17:48:28,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 288. [2020-10-28 17:48:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-28 17:48:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 375 transitions. [2020-10-28 17:48:28,761 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 375 transitions. Word has length 149 [2020-10-28 17:48:28,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:48:28,761 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 375 transitions. [2020-10-28 17:48:28,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:48:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 375 transitions. [2020-10-28 17:48:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 17:48:28,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:48:28,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:48:28,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:48:28,766 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:48:28,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:48:28,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1970396776, now seen corresponding path program 1 times [2020-10-28 17:48:28,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:48:28,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433800258] [2020-10-28 17:48:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:48:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:28,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:28,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:29,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:31,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:32,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:33,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:33,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:48:33,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:48:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 17:48:33,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:33,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 17:48:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-28 17:48:33,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,244 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:48:34,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:48:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:48:34,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:48:34,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:34,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:34,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:48:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 17:48:34,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 17:48:34,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 17:48:34,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 17:48:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:48:34,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:48:34,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:48:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 17:48:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:34,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:34,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:34,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:48:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:34,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:48:34,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:34,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 17:48:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:34,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:48:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:48:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:34,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:34,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:48:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:34,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:34,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:34,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 17:48:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:34,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:48:34,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 17:48:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:34,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:48:34,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:34,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:48:34,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:48:34,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 17:48:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:34,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:34,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:34,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 17:48:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:34,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:48:34,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:48:34,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:34,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:48:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:48:34,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433800258] [2020-10-28 17:48:34,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:48:34,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 17:48:34,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937682474] [2020-10-28 17:48:34,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:48:34,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:48:34,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:48:34,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:48:34,833 INFO L87 Difference]: Start difference. First operand 288 states and 375 transitions. Second operand 14 states. [2020-10-28 17:48:35,263 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-28 17:48:35,862 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 17:48:36,162 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:36,431 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:36,693 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:36,949 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:37,202 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:37,462 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:37,659 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:38,030 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:48:38,250 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:38,475 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:38,691 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:38,917 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:39,156 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:39,418 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-28 17:48:39,607 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 17:48:39,838 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:40,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:48:40,132 INFO L93 Difference]: Finished difference Result 694 states and 951 transitions. [2020-10-28 17:48:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 17:48:40,136 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-28 17:48:40,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:48:40,140 INFO L225 Difference]: With dead ends: 694 [2020-10-28 17:48:40,140 INFO L226 Difference]: Without dead ends: 485 [2020-10-28 17:48:40,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2020-10-28 17:48:40,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-10-28 17:48:40,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 482. [2020-10-28 17:48:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-10-28 17:48:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 649 transitions. [2020-10-28 17:48:40,212 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 649 transitions. Word has length 149 [2020-10-28 17:48:40,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:48:40,212 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 649 transitions. [2020-10-28 17:48:40,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:48:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 649 transitions. [2020-10-28 17:48:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 17:48:40,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:48:40,215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:48:40,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:48:40,216 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:48:40,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:48:40,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1578987790, now seen corresponding path program 1 times [2020-10-28 17:48:40,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:48:40,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264114723] [2020-10-28 17:48:40,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:48:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:40,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:40,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:40,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:43,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:45,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:45,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:48:45,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:48:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 17:48:45,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:45,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 17:48:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-28 17:48:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:45,717 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:48:45,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:48:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:45,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:45,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:45,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:48:45,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:45,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:48:45,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:45,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:45,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:45,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:45,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:45,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:45,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:48:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:45,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:45,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:45,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 17:48:45,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 17:48:45,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:45,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 17:48:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:45,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 17:48:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:45,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:45,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:45,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:48:45,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:45,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:48:45,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:45,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:45,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:48:45,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:45,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 17:48:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:45,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:45,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:45,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:48:45,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:45,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:45,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:48:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:45,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:45,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:45,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:45,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:45,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:45,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:45,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:45,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 17:48:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:45,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:45,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:45,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:45,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:48:45,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:45,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:45,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:48:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:45,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:45,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:45,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:45,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:45,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:45,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:45,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:45,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:48:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:46,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:46,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:46,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:46,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:48:46,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:46,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:46,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:46,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:46,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 17:48:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:46,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:46,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:46,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:46,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:46,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:48:46,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:46,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:48:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:48:46,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:46,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 17:48:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:46,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:46,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:46,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:46,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:48:46,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:46,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:46,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 17:48:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:46,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:46,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:46,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:46,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:46,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:48:46,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:46,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:46,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:46,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 17:48:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:46,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:46,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:46,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:48:46,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:48:46,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:46,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:48:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:48:46,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264114723] [2020-10-28 17:48:46,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:48:46,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 17:48:46,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531733197] [2020-10-28 17:48:46,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:48:46,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:48:46,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:48:46,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:48:46,232 INFO L87 Difference]: Start difference. First operand 482 states and 649 transitions. Second operand 14 states. [2020-10-28 17:48:46,638 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-28 17:48:47,190 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 17:48:47,465 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:47,715 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:47,972 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:48,238 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:48,502 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:48,695 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:48,875 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:49,226 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:48:49,444 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:49,664 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:49,880 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:50,100 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:50,357 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:48:50,538 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:48:50,752 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:51,032 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:48:51,331 INFO L93 Difference]: Finished difference Result 1264 states and 1757 transitions. [2020-10-28 17:48:51,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 17:48:51,331 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-28 17:48:51,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:48:51,338 INFO L225 Difference]: With dead ends: 1264 [2020-10-28 17:48:51,338 INFO L226 Difference]: Without dead ends: 861 [2020-10-28 17:48:51,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-28 17:48:51,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-28 17:48:51,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 858. [2020-10-28 17:48:51,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-10-28 17:48:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1177 transitions. [2020-10-28 17:48:51,445 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1177 transitions. Word has length 149 [2020-10-28 17:48:51,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:48:51,446 INFO L481 AbstractCegarLoop]: Abstraction has 858 states and 1177 transitions. [2020-10-28 17:48:51,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:48:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1177 transitions. [2020-10-28 17:48:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 17:48:51,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:48:51,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:48:51,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:48:51,449 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:48:51,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:48:51,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1705905960, now seen corresponding path program 1 times [2020-10-28 17:48:51,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:48:51,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936427024] [2020-10-28 17:48:51,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:48:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:51,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:52,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:56,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:56,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:48:56,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:48:56,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:48:56,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:56,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 17:48:56,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 17:48:56,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:56,888 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:48:56,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:48:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:56,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:56,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:56,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:48:56,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:48:56,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:56,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:56,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:56,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:48:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:56,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:56,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:56,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 17:48:56,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:56,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 17:48:56,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:56,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:48:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:56,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 17:48:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:56,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:56,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:48:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:48:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:56,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:56,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:48:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:57,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 17:48:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:57,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:48:57,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:57,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:57,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:48:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:57,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:57,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:57,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 17:48:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:57,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:57,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:57,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:48:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:57,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:48:57,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:48:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:48:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:48:57,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:57,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:48:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:57,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:48:57,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:48:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:48:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:48:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:57,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 17:48:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:57,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:48:57,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:57,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:57,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 17:48:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:57,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:57,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:57,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:48:57,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 17:48:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:48:57,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:48:57,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:57,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:48:57,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:57,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:57,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 17:48:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:48:57,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:48:57,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:48:57,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:48:57,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:48:57,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:48:57,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:48:57,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:48:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:48:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:48:57,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:48:57,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:48:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:48:57,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936427024] [2020-10-28 17:48:57,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:48:57,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 17:48:57,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791343226] [2020-10-28 17:48:57,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:48:57,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:48:57,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:48:57,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:48:57,472 INFO L87 Difference]: Start difference. First operand 858 states and 1177 transitions. Second operand 14 states. [2020-10-28 17:48:57,870 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-28 17:48:58,504 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 17:48:58,763 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:59,027 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:59,275 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:48:59,531 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:59,738 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:48:59,939 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:00,139 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:00,538 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:49:00,742 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:00,957 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:01,203 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:01,484 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:49:01,688 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:49:01,921 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:02,239 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:02,536 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:02,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:49:02,922 INFO L93 Difference]: Finished difference Result 2368 states and 3309 transitions. [2020-10-28 17:49:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 17:49:02,923 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-28 17:49:02,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:49:02,940 INFO L225 Difference]: With dead ends: 2368 [2020-10-28 17:49:02,940 INFO L226 Difference]: Without dead ends: 1589 [2020-10-28 17:49:02,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-28 17:49:02,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2020-10-28 17:49:03,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1586. [2020-10-28 17:49:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2020-10-28 17:49:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2193 transitions. [2020-10-28 17:49:03,142 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2193 transitions. Word has length 149 [2020-10-28 17:49:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:49:03,142 INFO L481 AbstractCegarLoop]: Abstraction has 1586 states and 2193 transitions. [2020-10-28 17:49:03,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:49:03,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2193 transitions. [2020-10-28 17:49:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 17:49:03,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:49:03,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:49:03,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:49:03,145 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:49:03,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:49:03,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1467090482, now seen corresponding path program 1 times [2020-10-28 17:49:03,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:49:03,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837918677] [2020-10-28 17:49:03,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:49:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:03,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:03,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:49:08,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:49:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 17:49:08,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 17:49:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 17:49:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:49:08,637 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:49:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:49:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:49:08,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:08,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 17:49:08,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:08,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:08,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:08,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:08,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:49:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 17:49:08,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 17:49:08,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 17:49:08,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:08,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 17:49:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:49:08,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:08,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:49:08,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:49:08,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:08,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 17:49:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:49:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:49:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:08,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:49:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:08,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:08,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:49:08,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:08,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:08,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:49:08,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:08,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 17:49:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:08,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:08,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:49:08,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:08,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:49:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:08,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:49:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:08,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:08,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:49:08,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:08,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:08,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:08,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:49:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:08,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:08,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:08,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:49:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:08,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:08,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:08,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 17:49:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:08,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:09,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:09,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:09,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:49:09,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:09,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:09,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 17:49:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:09,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:09,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:09,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:09,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:49:09,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:09,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 17:49:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:09,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:09,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:09,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:09,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:49:09,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:09,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:09,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 17:49:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:09,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:09,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:09,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:49:09,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:09,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:49:09,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:09,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:49:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:49:09,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837918677] [2020-10-28 17:49:09,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:49:09,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 17:49:09,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768454659] [2020-10-28 17:49:09,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:49:09,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:49:09,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:49:09,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:49:09,141 INFO L87 Difference]: Start difference. First operand 1586 states and 2193 transitions. Second operand 14 states. [2020-10-28 17:49:09,574 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-28 17:49:10,139 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 17:49:10,390 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:10,626 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:10,883 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:11,072 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:11,281 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:11,493 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:11,696 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:12,039 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:49:12,249 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:12,480 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:12,734 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:49:12,940 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:49:13,172 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:13,482 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:13,792 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:14,097 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:14,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:49:14,621 INFO L93 Difference]: Finished difference Result 4504 states and 6293 transitions. [2020-10-28 17:49:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 17:49:14,622 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-28 17:49:14,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:49:14,640 INFO L225 Difference]: With dead ends: 4504 [2020-10-28 17:49:14,641 INFO L226 Difference]: Without dead ends: 2997 [2020-10-28 17:49:14,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-28 17:49:14,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-10-28 17:49:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2994. [2020-10-28 17:49:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2994 states. [2020-10-28 17:49:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 4145 transitions. [2020-10-28 17:49:14,993 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 4145 transitions. Word has length 149 [2020-10-28 17:49:14,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:49:14,993 INFO L481 AbstractCegarLoop]: Abstraction has 2994 states and 4145 transitions. [2020-10-28 17:49:14,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:49:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 4145 transitions. [2020-10-28 17:49:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 17:49:14,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:49:14,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:49:14,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:49:14,996 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:49:14,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:49:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash 983175192, now seen corresponding path program 1 times [2020-10-28 17:49:14,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:49:14,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959709069] [2020-10-28 17:49:14,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:49:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:15,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:15,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3397 [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 17:49:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:18,853 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:49:18,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:49:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:18,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:18,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:18,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:49:18,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:49:18,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:18,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:49:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:18,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:18,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:18,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 17:49:18,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:49:18,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:18,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:49:18,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:18,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 17:49:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:18,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:18,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:18,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:49:18,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:18,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:49:18,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:18,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:18,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:49:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:18,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 17:49:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:18,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:18,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:18,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:49:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:19,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:19,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:19,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:19,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:19,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:49:19,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:19,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:19,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 17:49:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:19,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:49:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:19,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:19,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:19,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:19,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:49:19,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:19,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:49:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:19,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 17:49:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:19,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:19,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:49:19,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:19,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 17:49:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:19,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 17:49:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:19,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:19,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:19,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:19,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:19,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:49:19,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:19,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:19,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:19,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 17:49:19,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:19,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 17:49:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:19,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:19,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:19,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:49:19,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:49:19,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:19,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:19,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:19,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:49:19,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:19,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:49:19,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959709069] [2020-10-28 17:49:19,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:49:19,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 17:49:19,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899561038] [2020-10-28 17:49:19,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 17:49:19,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:49:19,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 17:49:19,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-28 17:49:19,315 INFO L87 Difference]: Start difference. First operand 2994 states and 4145 transitions. Second operand 14 states. [2020-10-28 17:49:19,804 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-28 17:49:20,430 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:49:20,625 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:20,895 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:21,175 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:21,390 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:21,602 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:21,812 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:22,018 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:22,406 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:22,598 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:49:22,837 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:23,117 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:23,391 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:23,725 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:24,038 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:24,371 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:24,692 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:49:25,334 INFO L93 Difference]: Finished difference Result 8632 states and 12021 transitions. [2020-10-28 17:49:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 17:49:25,335 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-28 17:49:25,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:49:25,370 INFO L225 Difference]: With dead ends: 8632 [2020-10-28 17:49:25,371 INFO L226 Difference]: Without dead ends: 5717 [2020-10-28 17:49:25,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-28 17:49:25,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5717 states. [2020-10-28 17:49:26,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5717 to 5714. [2020-10-28 17:49:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5714 states. [2020-10-28 17:49:26,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 7889 transitions. [2020-10-28 17:49:26,068 INFO L78 Accepts]: Start accepts. Automaton has 5714 states and 7889 transitions. Word has length 149 [2020-10-28 17:49:26,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:49:26,068 INFO L481 AbstractCegarLoop]: Abstraction has 5714 states and 7889 transitions. [2020-10-28 17:49:26,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 17:49:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 5714 states and 7889 transitions. [2020-10-28 17:49:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 17:49:26,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:49:26,070 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:49:26,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:49:26,071 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:49:26,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:49:26,071 INFO L82 PathProgramCache]: Analyzing trace with hash 146779150, now seen corresponding path program 1 times [2020-10-28 17:49:26,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:49:26,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329298946] [2020-10-28 17:49:26,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:49:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:26,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:27,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:27,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-28 17:49:27,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:27,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1800 [2020-10-28 17:49:27,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:27,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-28 17:49:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 17:49:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-28 17:49:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:28,492 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:49:28,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:49:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:28,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:28,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:28,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:49:28,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 17:49:28,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:28,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:49:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:49:28,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:28,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:49:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:28,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:28,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:28,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 17:49:28,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:28,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-28 17:49:28,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:28,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:49:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 17:49:28,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:28,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 17:49:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:28,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:28,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:28,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:49:28,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:28,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:49:28,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:28,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:49:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:49:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 17:49:28,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 17:49:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:28,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:28,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:28,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:28,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 17:49:28,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:29,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-28 17:49:29,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:49:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:29,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:29,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:29,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:29,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:29,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 17:49:29,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:29,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:49:29,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 17:49:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:29,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:29,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:29,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:29,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 17:49:29,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:29,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:49:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:29,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:29,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:29,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:29,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:49:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:49:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:29,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:29,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:29,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:29,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:29,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:49:29,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:29,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 17:49:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:29,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:29,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:29,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:29,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:49:29,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:29,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 17:49:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:29,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:29,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:29,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:29,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:29,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:49:29,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:29,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:29,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 17:49:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:29,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:29,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:29,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:49:29,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:29,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:49:29,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:49:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:49:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:49:29,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:29,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 17:49:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:49:29,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:49:29,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:49:29,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:49:29,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:49:29,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:49:29,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:49:29,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:49:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:49:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:49:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:49:29,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:49:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:49:29,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329298946] [2020-10-28 17:49:29,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:49:29,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2020-10-28 17:49:29,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407071644] [2020-10-28 17:49:29,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-28 17:49:29,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:49:29,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-28 17:49:29,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2020-10-28 17:49:29,728 INFO L87 Difference]: Start difference. First operand 5714 states and 7889 transitions. Second operand 30 states. [2020-10-28 17:49:30,262 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 17:49:30,720 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 17:49:31,170 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 17:49:31,666 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-28 17:49:32,145 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 17:49:32,632 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 17:49:33,130 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-28 17:49:33,647 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 17:49:34,204 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:34,517 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:49:34,740 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 17:49:35,081 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:49:35,319 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:35,503 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:35,783 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 17:49:36,130 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:49:36,383 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:36,549 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:36,894 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:49:37,143 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:37,310 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:37,668 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:49:37,943 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:38,100 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:38,424 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:49:38,663 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:38,835 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:39,180 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:49:39,427 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:39,595 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:49:40,180 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 17:49:40,601 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-28 17:49:41,573 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:41,765 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:42,059 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:42,254 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 17:49:42,406 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:49:42,594 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 17:49:43,108 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:43,498 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-28 17:49:43,693 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:43,919 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:44,137 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:44,319 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:44,539 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:44,747 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:45,058 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:45,489 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:45,686 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:45,912 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:46,134 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:46,321 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:46,683 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:47,066 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:47,266 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:47,543 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:47,764 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:48,001 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:48,208 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:48,404 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 17:49:48,700 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:49,119 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:49,324 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:49,623 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:49:49,822 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:50,046 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:50,261 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:50,492 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:50,692 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 17:49:51,012 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:51,181 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:51,651 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:51,843 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:52,150 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:52,354 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:49:52,545 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:52,762 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:52,978 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:53,223 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:53,421 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 17:49:53,789 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:53,988 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:54,160 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:54,756 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:54,972 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:55,303 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:55,518 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:49:55,725 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:49:55,921 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:56,139 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:56,362 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:49:56,621 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:49:56,813 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 17:49:57,212 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:49:57,412 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:49:57,620 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:49:57,828 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:49:58,538 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:49:58,751 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:49:59,122 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:49:59,350 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:49:59,573 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:49:59,785 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:49:59,985 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:50:00,207 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:50:00,432 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:50:00,713 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:50:00,953 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 17:50:01,350 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:50:01,562 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:50:01,774 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:50:02,006 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:50:02,165 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:50:03,558 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-28 17:50:04,069 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-28 17:50:04,563 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 17:50:05,019 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 17:50:05,481 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-28 17:50:08,928 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:09,163 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:09,388 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:50:09,664 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:50:09,885 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:50:10,226 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 17:50:10,457 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:50:10,680 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:50:10,903 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:50:11,116 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-28 17:50:11,328 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:50:11,879 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:50:12,798 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 17:50:13,048 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:50:13,294 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:50:13,533 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:13,774 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:14,261 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:14,572 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:14,811 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:50:15,048 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:50:15,279 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:50:16,431 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 17:50:16,761 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:50:17,037 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:50:17,297 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:17,562 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:18,028 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:18,251 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:18,480 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:50:18,704 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:50:18,924 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:50:19,117 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:50:20,332 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 17:50:20,558 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:50:20,776 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:50:21,006 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:21,372 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:21,599 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:21,826 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:22,050 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:50:22,271 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:50:22,603 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:50:23,097 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-28 17:50:23,931 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 17:50:24,167 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:50:24,392 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:50:24,621 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:25,132 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:25,379 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:25,620 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:25,855 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:50:26,127 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:50:26,584 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 17:50:27,473 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 17:50:27,712 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:50:28,053 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:28,325 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:28,836 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:50:29,078 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:29,308 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:29,588 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:30,015 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 17:50:30,918 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 17:50:31,254 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:50:31,500 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:31,747 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:32,224 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:50:32,478 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:32,795 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 17:50:33,176 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 17:50:34,113 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 17:50:34,369 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 17:50:34,732 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:50:34,993 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 17:50:35,683 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2020-10-28 17:50:36,120 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-28 17:50:46,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:50:46,865 INFO L93 Difference]: Finished difference Result 115909 states and 174963 transitions. [2020-10-28 17:50:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2020-10-28 17:50:46,866 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 149 [2020-10-28 17:50:46,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:50:47,885 INFO L225 Difference]: With dead ends: 115909 [2020-10-28 17:50:47,886 INFO L226 Difference]: Without dead ends: 110274 [2020-10-28 17:50:47,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 243 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23845 ImplicationChecksByTransitivity, 45.1s TimeCoverageRelationStatistics Valid=8562, Invalid=51218, Unknown=0, NotChecked=0, Total=59780 [2020-10-28 17:50:48,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110274 states. [2020-10-28 17:50:58,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110274 to 98578. [2020-10-28 17:50:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98578 states. [2020-10-28 17:50:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98578 states to 98578 states and 137233 transitions. [2020-10-28 17:50:58,413 INFO L78 Accepts]: Start accepts. Automaton has 98578 states and 137233 transitions. Word has length 149 [2020-10-28 17:50:58,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:50:58,414 INFO L481 AbstractCegarLoop]: Abstraction has 98578 states and 137233 transitions. [2020-10-28 17:50:58,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-28 17:50:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 98578 states and 137233 transitions. [2020-10-28 17:50:58,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-28 17:50:58,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:50:58,417 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:50:58,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:50:58,417 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:50:58,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:50:58,417 INFO L82 PathProgramCache]: Analyzing trace with hash -2136500706, now seen corresponding path program 1 times [2020-10-28 17:50:58,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:50:58,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101996596] [2020-10-28 17:50:58,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:50:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:50:58,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:50:58,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:50:59,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-28 17:51:00,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:51:00,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1909 [2020-10-28 17:51:00,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:51:00,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-28 17:51:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:51:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:00,742 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:51:00,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:51:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:00,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:51:00,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:00,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:51:00,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:00,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:00,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:51:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 17:51:00,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:00,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 17:51:00,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:00,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 17:51:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:00,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:51:00,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:51:00,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:00,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 17:51:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:00,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:51:00,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:51:00,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:00,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:51:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:00,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:51:00,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:00,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:51:00,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 17:51:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:00,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:51:00,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:00,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:51:00,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:00,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:00,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 17:51:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:51:00,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:00,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:51:00,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:00,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:00,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 17:51:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:00,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:00,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:00,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:51:00,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:00,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:51:00,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:00,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:00,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:51:01,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 17:51:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:01,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:01,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:51:01,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:51:01,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:01,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:01,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 17:51:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:01,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:01,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:01,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:51:01,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:01,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:51:01,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:01,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:01,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:01,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 17:51:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:01,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:01,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:01,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 17:51:01,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:01,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:51:01,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:01,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:51:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:51:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:51:01,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:01,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 17:51:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:51:01,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:51:01,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:51:01,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 17:51:01,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:51:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:51:01,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:51:01,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:51:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:51:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 17:51:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:51:01,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:51:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:51:01,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101996596] [2020-10-28 17:51:01,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:51:01,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 17:51:01,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963321820] [2020-10-28 17:51:01,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:51:01,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:51:01,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:51:01,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:51:01,177 INFO L87 Difference]: Start difference. First operand 98578 states and 137233 transitions. Second operand 12 states. [2020-10-28 17:51:01,763 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 17:51:01,952 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:51:02,186 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:51:02,431 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:51:02,636 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:51:02,832 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:51:03,044 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:51:03,271 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 17:51:03,729 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 17:51:04,145 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-28 17:51:04,387 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:51:04,630 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:51:04,880 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:51:05,191 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:51:05,505 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:51:05,847 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:51:06,299 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 17:51:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:51:16,661 INFO L93 Difference]: Finished difference Result 249144 states and 347557 transitions. [2020-10-28 17:51:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 17:51:16,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2020-10-28 17:51:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:51:17,380 INFO L225 Difference]: With dead ends: 249144 [2020-10-28 17:51:17,380 INFO L226 Difference]: Without dead ends: 150645 [2020-10-28 17:51:17,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=225, Invalid=587, Unknown=0, NotChecked=0, Total=812 [2020-10-28 17:51:18,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150645 states. [2020-10-28 17:51:30,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150645 to 150642. [2020-10-28 17:51:30,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150642 states.