/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 23:01:14,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 23:01:14,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 23:01:14,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 23:01:14,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 23:01:14,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 23:01:14,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 23:01:14,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 23:01:14,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 23:01:14,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 23:01:14,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 23:01:14,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 23:01:14,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 23:01:14,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 23:01:14,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 23:01:14,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 23:01:14,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 23:01:14,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 23:01:14,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 23:01:14,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 23:01:15,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 23:01:15,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 23:01:15,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 23:01:15,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 23:01:15,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 23:01:15,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 23:01:15,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 23:01:15,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 23:01:15,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 23:01:15,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 23:01:15,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 23:01:15,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 23:01:15,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 23:01:15,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 23:01:15,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 23:01:15,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 23:01:15,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 23:01:15,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 23:01:15,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 23:01:15,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 23:01:15,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 23:01:15,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 23:01:15,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 23:01:15,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 23:01:15,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 23:01:15,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 23:01:15,078 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 23:01:15,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 23:01:15,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 23:01:15,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 23:01:15,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 23:01:15,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 23:01:15,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 23:01:15,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 23:01:15,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 23:01:15,080 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 23:01:15,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 23:01:15,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 23:01:15,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 23:01:15,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 23:01:15,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 23:01:15,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 23:01:15,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 23:01:15,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 23:01:15,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 23:01:15,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 23:01:15,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 23:01:15,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 23:01:15,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 23:01:15,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 23:01:15,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 23:01:15,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 23:01:15,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 23:01:15,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 23:01:15,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 23:01:15,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 23:01:15,494 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 23:01:15,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2020-10-27 23:01:15,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd8ad9236/4025ce56998447229eb02ceac64f4fb7/FLAGb5e0e0ef7 [2020-10-27 23:01:16,325 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 23:01:16,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2020-10-27 23:01:16,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd8ad9236/4025ce56998447229eb02ceac64f4fb7/FLAGb5e0e0ef7 [2020-10-27 23:01:16,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd8ad9236/4025ce56998447229eb02ceac64f4fb7 [2020-10-27 23:01:16,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 23:01:16,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 23:01:16,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 23:01:16,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 23:01:16,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 23:01:16,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:01:16" (1/1) ... [2020-10-27 23:01:16,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58afb81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:16, skipping insertion in model container [2020-10-27 23:01:16,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:01:16" (1/1) ... [2020-10-27 23:01:16,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 23:01:16,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 23:01:17,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:01:17,066 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 23:01:17,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:01:17,210 INFO L208 MainTranslator]: Completed translation [2020-10-27 23:01:17,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17 WrapperNode [2020-10-27 23:01:17,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 23:01:17,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 23:01:17,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 23:01:17,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 23:01:17,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (1/1) ... [2020-10-27 23:01:17,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (1/1) ... [2020-10-27 23:01:17,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (1/1) ... [2020-10-27 23:01:17,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (1/1) ... [2020-10-27 23:01:17,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (1/1) ... [2020-10-27 23:01:17,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (1/1) ... [2020-10-27 23:01:17,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (1/1) ... [2020-10-27 23:01:17,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 23:01:17,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 23:01:17,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 23:01:17,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 23:01:17,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 23:01:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 23:01:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 23:01:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 23:01:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 23:01:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-27 23:01:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-27 23:01:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-27 23:01:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-27 23:01:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-27 23:01:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-27 23:01:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-27 23:01:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2020-10-27 23:01:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 23:01:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 23:01:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 23:01:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 23:01:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 23:01:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 23:01:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 23:01:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 23:01:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 23:01:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 23:01:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 23:01:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 23:01:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 23:01:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 23:01:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-27 23:01:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-27 23:01:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-27 23:01:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-27 23:01:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-27 23:01:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-27 23:01:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-27 23:01:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2020-10-27 23:01:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 23:01:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 23:01:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 23:01:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 23:01:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 23:01:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 23:01:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 23:01:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 23:01:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 23:01:18,609 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 23:01:18,609 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 23:01:18,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:01:18 BoogieIcfgContainer [2020-10-27 23:01:18,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 23:01:18,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 23:01:18,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 23:01:18,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 23:01:18,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 11:01:16" (1/3) ... [2020-10-27 23:01:18,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c07a73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:01:18, skipping insertion in model container [2020-10-27 23:01:18,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:17" (2/3) ... [2020-10-27 23:01:18,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c07a73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:01:18, skipping insertion in model container [2020-10-27 23:01:18,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:01:18" (3/3) ... [2020-10-27 23:01:18,624 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.ufo.BOUNDED-16.pals.c [2020-10-27 23:01:18,640 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 23:01:18,647 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 23:01:18,665 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 23:01:18,699 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 23:01:18,700 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 23:01:18,700 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 23:01:18,700 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 23:01:18,700 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 23:01:18,700 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 23:01:18,701 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 23:01:18,701 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 23:01:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-10-27 23:01:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 23:01:18,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:18,746 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] [2020-10-27 23:01:18,746 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:18,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:18,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1210584192, now seen corresponding path program 1 times [2020-10-27 23:01:18,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:18,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021622689] [2020-10-27 23:01:18,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:19,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:19,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:19,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 23:01:19,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:19,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 607 [2020-10-27 23:01:19,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 23:01:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:19,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 23:01:20,538 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:20,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:20,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 23:01:20,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:20,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:20,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 23:01:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:20,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:20,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 23:01:20,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:01:20,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:01:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:01:20,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:01:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:01:20,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:01:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:20,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 23:01:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:20,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:20,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 23:01:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:01:20,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:01:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:21,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:21,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:21,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:21,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:21,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:21,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:21,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:21,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:21,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 23:01:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:21,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:21,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:21,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:21,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:21,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:21,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:01:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:21,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:21,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:21,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:21,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:21,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:01:21,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:21,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:21,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:21,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:21,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 23:01:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:21,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:21,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:21,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:21,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:21,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:21,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:21,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:21,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021622689] [2020-10-27 23:01:21,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:21,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:01:21,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364583986] [2020-10-27 23:01:21,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:01:21,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:21,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:01:21,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:01:21,287 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 11 states. [2020-10-27 23:01:22,088 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:01:22,584 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:23,085 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:23,590 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:24,089 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:24,507 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:24,904 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:25,321 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:25,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:25,607 INFO L93 Difference]: Finished difference Result 315 states and 473 transitions. [2020-10-27 23:01:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 23:01:25,609 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-10-27 23:01:25,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:25,620 INFO L225 Difference]: With dead ends: 315 [2020-10-27 23:01:25,621 INFO L226 Difference]: Without dead ends: 189 [2020-10-27 23:01:25,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:01:25,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-27 23:01:25,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-10-27 23:01:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 23:01:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 295 transitions. [2020-10-27 23:01:25,705 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 295 transitions. Word has length 89 [2020-10-27 23:01:25,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:25,706 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 295 transitions. [2020-10-27 23:01:25,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:01:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 295 transitions. [2020-10-27 23:01:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 23:01:25,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:25,711 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] [2020-10-27 23:01:25,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 23:01:25,712 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:25,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:25,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2097807038, now seen corresponding path program 1 times [2020-10-27 23:01:25,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:25,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586465217] [2020-10-27 23:01:25,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:25,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:26,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:26,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 23:01:26,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:26,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-27 23:01:26,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 23:01:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:01:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 23:01:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:01:27,577 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:27,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:27,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:27,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:27,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:27,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 23:01:27,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:27,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:27,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:27,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:27,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:27,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:01:27,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:27,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:27,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 23:01:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:27,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:27,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:27,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:27,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:01:27,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:27,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:27,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:01:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:27,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:27,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:27,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:27,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:27,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:01:27,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:27,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:27,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:01:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:27,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:27,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:27,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:27,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:27,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:01:27,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:27,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:27,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:27,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:27,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:27,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:01:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:28,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:28,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:28,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:28,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:28,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:28,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:28,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 23:01:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:28,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:28,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:28,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:28,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:28,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:28,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:28,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 23:01:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:28,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:28,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:28,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:28,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:28,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:01:28,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:28,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:28,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:28,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:28,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:28,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:01:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:28,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:28,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:28,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:28,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:28,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:28,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:28,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:28,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:01:28,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 23:01:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:28,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:28,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:28,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:28,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:28,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:28,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:28,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:01:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:28,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:28,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:28,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:28,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:28,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:28,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:28,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:28,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:28,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 23:01:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:28,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:28,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:28,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:28,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:28,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:28,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:28,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 23:01:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:28,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586465217] [2020-10-27 23:01:28,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:28,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 23:01:28,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129302395] [2020-10-27 23:01:28,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 23:01:28,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:28,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 23:01:28,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-27 23:01:28,415 INFO L87 Difference]: Start difference. First operand 189 states and 295 transitions. Second operand 17 states. [2020-10-27 23:01:29,152 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 23:01:29,907 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 23:01:30,866 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 23:01:31,672 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-27 23:01:33,323 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:01:33,821 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:34,312 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:34,802 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:35,282 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:35,752 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:36,221 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:36,726 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:37,858 INFO L93 Difference]: Finished difference Result 319 states and 481 transitions. [2020-10-27 23:01:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 23:01:37,860 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 89 [2020-10-27 23:01:37,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:37,865 INFO L225 Difference]: With dead ends: 319 [2020-10-27 23:01:37,865 INFO L226 Difference]: Without dead ends: 203 [2020-10-27 23:01:37,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2020-10-27 23:01:37,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-27 23:01:37,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 189. [2020-10-27 23:01:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 23:01:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 234 transitions. [2020-10-27 23:01:37,902 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 234 transitions. Word has length 89 [2020-10-27 23:01:37,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:37,902 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 234 transitions. [2020-10-27 23:01:37,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 23:01:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 234 transitions. [2020-10-27 23:01:37,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:01:37,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:37,910 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] [2020-10-27 23:01:37,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 23:01:37,910 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:37,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:37,911 INFO L82 PathProgramCache]: Analyzing trace with hash -437049810, now seen corresponding path program 1 times [2020-10-27 23:01:37,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:37,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726369463] [2020-10-27 23:01:37,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:38,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:38,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:38,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:39,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:01:42,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:01:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 23:01:42,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 23:01:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 23:01:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:01:43,710 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:43,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:43,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:43,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:43,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:43,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:43,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:01:43,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:43,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:43,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:43,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:43,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:43,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:43,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:01:43,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:43,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 23:01:43,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:43,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:43,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:43,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 23:01:43,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:43,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:01:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:43,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:43,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:43,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:43,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:43,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:43,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:43,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:43,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:01:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:43,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:43,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:43,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:43,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:01:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:43,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:01:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:43,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:43,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:43,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:43,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:01:43,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:43,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:01:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:43,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:43,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:43,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:43,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:43,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:43,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:01:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:44,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:44,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:44,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:44,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:01:44,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:44,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:44,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:01:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:44,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:44,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:44,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:44,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:44,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:01:44,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:44,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:44,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:01:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:44,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:44,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:44,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:44,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:44,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:01:44,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:01:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:01:44,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:44,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:01:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:44,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:44,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:44,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:44,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:01:44,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:44,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:01:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:44,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:44,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:44,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:44,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:44,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:44,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:44,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:44,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:44,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:44,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:44,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:01:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:44,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:44,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:44,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:44,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:44,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:44,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:44,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:44,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:44,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726369463] [2020-10-27 23:01:44,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:44,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:01:44,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726112657] [2020-10-27 23:01:44,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:01:44,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:44,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:01:44,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:01:44,450 INFO L87 Difference]: Start difference. First operand 189 states and 234 transitions. Second operand 14 states. [2020-10-27 23:01:45,129 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:01:45,964 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:01:46,423 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:46,838 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:47,249 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:47,649 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:48,054 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:48,383 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:48,793 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:49,433 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:01:49,814 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:50,172 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:50,545 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:50,920 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:51,331 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:01:51,639 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:01:51,990 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:52,386 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:52,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:52,723 INFO L93 Difference]: Finished difference Result 403 states and 536 transitions. [2020-10-27 23:01:52,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:01:52,724 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:01:52,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:52,729 INFO L225 Difference]: With dead ends: 403 [2020-10-27 23:01:52,730 INFO L226 Difference]: Without dead ends: 293 [2020-10-27 23:01:52,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:01:52,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-27 23:01:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 290. [2020-10-27 23:01:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-10-27 23:01:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 377 transitions. [2020-10-27 23:01:52,782 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 377 transitions. Word has length 149 [2020-10-27 23:01:52,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:52,783 INFO L481 AbstractCegarLoop]: Abstraction has 290 states and 377 transitions. [2020-10-27 23:01:52,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:01:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 377 transitions. [2020-10-27 23:01:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:01:52,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:52,789 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] [2020-10-27 23:01:52,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 23:01:52,789 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:52,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:52,790 INFO L82 PathProgramCache]: Analyzing trace with hash 573023736, now seen corresponding path program 1 times [2020-10-27 23:01:52,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:52,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499942644] [2020-10-27 23:01:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:52,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:56,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:57,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:57,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:57,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:01:57,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:01:57,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 23:01:57,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 23:01:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 23:01:57,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,536 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:58,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:58,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:01:58,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:58,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:01:58,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 23:01:58,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 23:01:58,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:01:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:58,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:58,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:58,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:01:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:58,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:01:58,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:58,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:01:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:58,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:01:58,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:01:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:58,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:58,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:58,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:01:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:58,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:58,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:01:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:58,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:01:58,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:01:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:58,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:01:58,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:01:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:58,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:58,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:58,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:58,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:58,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:58,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:58,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:01:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:59,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:59,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:59,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:59,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:59,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:01:59,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:01:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:01:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:59,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:01:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:59,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:59,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:59,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:59,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:59,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:59,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:59,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:59,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499942644] [2020-10-27 23:01:59,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:59,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:01:59,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715853388] [2020-10-27 23:01:59,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:01:59,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:59,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:01:59,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:01:59,229 INFO L87 Difference]: Start difference. First operand 290 states and 377 transitions. Second operand 14 states. [2020-10-27 23:01:59,862 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:00,674 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:02:01,070 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:01,477 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:01,936 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:02,381 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:02,828 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:03,139 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:03,551 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:04,089 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:02:04,450 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:04,804 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:05,168 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:05,544 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:05,902 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:06,312 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:06,716 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:07,029 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:02:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:02:07,384 INFO L93 Difference]: Finished difference Result 700 states and 957 transitions. [2020-10-27 23:02:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:02:07,384 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:02:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:02:07,389 INFO L225 Difference]: With dead ends: 700 [2020-10-27 23:02:07,389 INFO L226 Difference]: Without dead ends: 489 [2020-10-27 23:02:07,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:02:07,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2020-10-27 23:02:07,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 486. [2020-10-27 23:02:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-27 23:02:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 653 transitions. [2020-10-27 23:02:07,449 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 653 transitions. Word has length 149 [2020-10-27 23:02:07,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:02:07,450 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 653 transitions. [2020-10-27 23:02:07,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:02:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 653 transitions. [2020-10-27 23:02:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:02:07,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:02:07,453 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] [2020-10-27 23:02:07,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 23:02:07,453 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:02:07,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:02:07,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1605161150, now seen corresponding path program 1 times [2020-10-27 23:02:07,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:02:07,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616832091] [2020-10-27 23:02:07,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:02:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:07,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:07,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:07,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:07,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:10,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:12,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:12,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:02:12,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:02:12,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 23:02:12,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 23:02:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 23:02:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,352 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:02:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:02:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:02:13,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:02:13,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:02:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:02:13,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 23:02:13,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 23:02:13,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:02:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:02:13,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:13,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:02:13,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:02:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:13,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:02:13,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:13,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:02:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:13,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:02:13,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:02:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:13,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:02:13,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:02:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:13,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:02:13,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:02:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:13,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:02:13,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:02:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:13,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:02:13,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:02:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:13,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:02:13,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:13,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:13,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:13,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:02:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:13,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:02:13,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:13,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:13,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:13,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:13,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:02:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:13,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:13,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:13,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:02:13,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:13,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:02:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:13,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:02:14,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616832091] [2020-10-27 23:02:14,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:02:14,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:02:14,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930745028] [2020-10-27 23:02:14,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:02:14,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:02:14,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:02:14,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:02:14,058 INFO L87 Difference]: Start difference. First operand 486 states and 653 transitions. Second operand 14 states. [2020-10-27 23:02:14,839 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:15,767 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:02:16,237 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:16,652 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:17,096 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:17,542 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:17,966 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:18,315 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:18,660 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:19,236 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:02:19,615 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:19,983 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:20,368 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:20,748 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:21,127 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:21,539 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:02:21,839 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:02:22,186 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:22,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:02:22,664 INFO L93 Difference]: Finished difference Result 1276 states and 1769 transitions. [2020-10-27 23:02:22,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:02:22,664 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:02:22,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:02:22,672 INFO L225 Difference]: With dead ends: 1276 [2020-10-27 23:02:22,672 INFO L226 Difference]: Without dead ends: 869 [2020-10-27 23:02:22,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:02:22,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-27 23:02:22,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 866. [2020-10-27 23:02:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-10-27 23:02:22,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1185 transitions. [2020-10-27 23:02:22,780 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1185 transitions. Word has length 149 [2020-10-27 23:02:22,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:02:22,780 INFO L481 AbstractCegarLoop]: Abstraction has 866 states and 1185 transitions. [2020-10-27 23:02:22,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:02:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1185 transitions. [2020-10-27 23:02:22,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:02:22,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:02:22,783 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] [2020-10-27 23:02:22,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 23:02:22,783 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:02:22,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:02:22,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1944223416, now seen corresponding path program 1 times [2020-10-27 23:02:22,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:02:22,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836032853] [2020-10-27 23:02:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:02:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:22,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:23,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:23,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:23,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:27,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:27,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:02:27,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:02:27,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 23:02:27,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 23:02:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 23:02:27,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,550 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:02:28,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:02:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:02:28,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:02:28,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:02:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:02:28,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 23:02:28,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:28,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:28,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:02:28,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:02:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:02:28,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:28,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:28,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:02:28,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:02:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:28,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:02:28,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:28,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:02:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:28,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:02:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:02:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:28,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:28,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:02:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:28,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:02:28,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:28,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:02:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:28,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:28,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:28,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:02:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:28,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:28,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:28,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:28,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:29,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:02:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:29,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:29,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:29,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:29,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:29,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:29,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:29,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:29,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:29,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:29,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:29,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:02:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:29,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:29,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:29,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:29,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:29,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:29,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:29,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:29,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:29,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:02:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:29,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:29,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:29,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:02:29,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:29,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:29,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:29,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:02:29,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:29,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:02:29,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836032853] [2020-10-27 23:02:29,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:02:29,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:02:29,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029959247] [2020-10-27 23:02:29,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:02:29,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:02:29,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:02:29,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:02:29,176 INFO L87 Difference]: Start difference. First operand 866 states and 1185 transitions. Second operand 14 states. [2020-10-27 23:02:29,945 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:30,796 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:02:31,256 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:31,684 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:32,130 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:32,467 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:32,910 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:33,251 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:33,585 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:34,093 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:02:34,425 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:34,781 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:35,178 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:35,493 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:02:35,870 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:36,279 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:36,739 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:37,187 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:37,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:02:37,634 INFO L93 Difference]: Finished difference Result 2392 states and 3333 transitions. [2020-10-27 23:02:37,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:02:37,636 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:02:37,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:02:37,656 INFO L225 Difference]: With dead ends: 2392 [2020-10-27 23:02:37,656 INFO L226 Difference]: Without dead ends: 1605 [2020-10-27 23:02:37,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:02:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-10-27 23:02:37,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1602. [2020-10-27 23:02:37,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1602 states. [2020-10-27 23:02:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2209 transitions. [2020-10-27 23:02:37,866 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2209 transitions. Word has length 149 [2020-10-27 23:02:37,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:02:37,867 INFO L481 AbstractCegarLoop]: Abstraction has 1602 states and 2209 transitions. [2020-10-27 23:02:37,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:02:37,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2209 transitions. [2020-10-27 23:02:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:02:37,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:02:37,869 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] [2020-10-27 23:02:37,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 23:02:37,869 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:02:37,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:02:37,870 INFO L82 PathProgramCache]: Analyzing trace with hash 99521794, now seen corresponding path program 1 times [2020-10-27 23:02:37,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:02:37,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64741354] [2020-10-27 23:02:37,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:02:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:37,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:38,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:42,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:42,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:02:42,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:02:42,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:02:42,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 23:02:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 23:02:42,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:43,674 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:02:43,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:02:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:43,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:43,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:43,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:02:43,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:43,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:02:43,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:43,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:43,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:02:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:43,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:43,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:43,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:02:43,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:02:43,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 23:02:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:43,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:02:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:43,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:43,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:43,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:02:43,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:43,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:43,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:43,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:43,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:43,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:02:43,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:43,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:02:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:43,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:43,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:43,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:43,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:02:43,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:43,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:43,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:02:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:43,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:43,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:43,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:43,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:43,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:02:43,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:43,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:02:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:43,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:43,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:43,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:43,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:02:43,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:02:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:43,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:43,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:43,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:43,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:02:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:44,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:02:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:44,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:02:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:44,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:02:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:44,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:02:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:02:44,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:02:44,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:02:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:02:44,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64741354] [2020-10-27 23:02:44,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:02:44,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:02:44,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283691267] [2020-10-27 23:02:44,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:02:44,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:02:44,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:02:44,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:02:44,272 INFO L87 Difference]: Start difference. First operand 1602 states and 2209 transitions. Second operand 14 states. [2020-10-27 23:02:45,035 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:45,926 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:02:46,333 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:46,752 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:47,099 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:47,429 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:47,870 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:48,240 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:48,586 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:49,145 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:02:49,505 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:49,889 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:02:50,207 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:02:50,567 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:51,045 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:51,481 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:51,960 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:52,430 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:53,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:02:53,023 INFO L93 Difference]: Finished difference Result 4552 states and 6341 transitions. [2020-10-27 23:02:53,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:02:53,024 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:02:53,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:02:53,042 INFO L225 Difference]: With dead ends: 4552 [2020-10-27 23:02:53,043 INFO L226 Difference]: Without dead ends: 3029 [2020-10-27 23:02:53,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:02:53,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2020-10-27 23:02:53,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 3026. [2020-10-27 23:02:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3026 states. [2020-10-27 23:02:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 3026 states and 4177 transitions. [2020-10-27 23:02:53,414 INFO L78 Accepts]: Start accepts. Automaton has 3026 states and 4177 transitions. Word has length 149 [2020-10-27 23:02:53,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:02:53,415 INFO L481 AbstractCegarLoop]: Abstraction has 3026 states and 4177 transitions. [2020-10-27 23:02:53,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:02:53,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3026 states and 4177 transitions. [2020-10-27 23:02:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:02:53,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:02:53,417 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] [2020-10-27 23:02:53,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 23:02:53,417 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:02:53,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:02:53,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1353402504, now seen corresponding path program 1 times [2020-10-27 23:02:53,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:02:53,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37164155] [2020-10-27 23:02:53,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:02:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:53,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:53,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:56,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:56,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:02:56,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:02:56,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3204 [2020-10-27 23:02:56,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:56,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:56,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 23:02:56,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 23:02:56,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,419 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:02:57,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:02:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:02:57,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:02:57,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:02:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:02:57,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:02:57,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:02:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:02:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:02:57,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:57,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:02:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:02:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:57,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:02:57,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:02:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:57,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:57,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:02:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:57,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:57,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:02:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:57,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:57,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:02:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:57,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:57,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:02:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:57,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:57,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:57,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:02:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:57,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:57,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:02:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:57,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:57,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:57,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:02:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:57,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:57,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:57,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:02:57,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:57,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:57,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:02:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:02:58,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37164155] [2020-10-27 23:02:58,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:02:58,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:02:58,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903845098] [2020-10-27 23:02:58,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:02:58,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:02:58,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:02:58,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:02:58,057 INFO L87 Difference]: Start difference. First operand 3026 states and 4177 transitions. Second operand 14 states. [2020-10-27 23:02:58,864 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:59,760 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:03:00,075 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:00,515 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:00,858 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:01,195 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:01,601 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:01,931 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:02,274 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:02,866 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:03,174 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:03,563 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:03,987 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:04,473 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:04,964 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:05,397 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:05,877 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:06,374 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:07,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:03:07,173 INFO L93 Difference]: Finished difference Result 8728 states and 12117 transitions. [2020-10-27 23:03:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:03:07,174 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:03:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:03:07,208 INFO L225 Difference]: With dead ends: 8728 [2020-10-27 23:03:07,208 INFO L226 Difference]: Without dead ends: 5781 [2020-10-27 23:03:07,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:03:07,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2020-10-27 23:03:07,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5778. [2020-10-27 23:03:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5778 states. [2020-10-27 23:03:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 7953 transitions. [2020-10-27 23:03:07,871 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 7953 transitions. Word has length 149 [2020-10-27 23:03:07,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:03:07,872 INFO L481 AbstractCegarLoop]: Abstraction has 5778 states and 7953 transitions. [2020-10-27 23:03:07,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:03:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 7953 transitions. [2020-10-27 23:03:07,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:03:07,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:03:07,874 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] [2020-10-27 23:03:07,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 23:03:07,875 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:03:07,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:03:07,876 INFO L82 PathProgramCache]: Analyzing trace with hash 2105168750, now seen corresponding path program 1 times [2020-10-27 23:03:07,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:03:07,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857508318] [2020-10-27 23:03:07,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:03:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:07,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:09,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:09,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:03:09,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:09,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1542 [2020-10-27 23:03:09,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 23:03:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 23:03:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 23:03:09,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:10,315 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:03:10,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:03:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:10,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:10,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:03:10,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:03:10,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:03:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:03:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:03:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:03:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:10,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:10,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:10,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:03:10,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:10,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 23:03:10,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:10,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 23:03:10,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:03:10,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 23:03:10,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:10,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:03:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:10,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:10,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:10,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:03:10,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:03:10,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:03:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:03:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:03:10,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:10,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:03:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:10,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:10,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:10,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:10,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:03:10,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:10,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:03:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:10,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:10,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:10,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:10,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 23:03:10,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:10,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:10,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:03:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:10,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:11,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:11,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:11,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:11,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:03:11,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:11,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:03:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:11,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:11,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:11,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 23:03:11,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:11,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:03:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:11,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:11,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:11,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:11,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 23:03:11,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:11,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:03:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:11,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:11,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:11,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:11,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:03:11,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:11,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:11,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:03:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:11,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:11,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:11,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:11,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:03:11,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:11,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:11,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:03:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:11,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:11,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:11,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:11,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:03:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:11,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:03:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:11,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:11,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:11,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:03:11,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:11,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:03:11,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:03:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 23:03:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:03:11,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:03:11,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857508318] [2020-10-27 23:03:11,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:03:11,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2020-10-27 23:03:11,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278350747] [2020-10-27 23:03:11,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 23:03:11,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:03:11,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 23:03:11,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2020-10-27 23:03:11,800 INFO L87 Difference]: Start difference. First operand 5778 states and 7953 transitions. Second operand 30 states. [2020-10-27 23:03:12,757 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 23:03:13,528 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 23:03:14,325 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 23:03:15,137 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:03:15,981 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 23:03:16,847 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 23:03:17,732 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 23:03:18,635 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 23:03:19,392 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:19,867 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:20,180 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:20,715 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:21,065 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:21,537 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:21,894 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:22,311 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:22,702 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:23,027 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:23,465 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:24,091 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:24,521 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:24,812 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:25,377 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:25,819 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:26,153 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:26,695 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:27,120 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:27,415 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:28,514 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 23:03:29,307 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 23:03:30,812 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:31,144 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:31,625 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:31,939 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:32,216 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:03:32,554 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:03:33,453 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:03:34,164 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 23:03:34,482 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:34,828 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:35,159 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:35,470 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:35,790 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:36,125 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:36,583 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:37,387 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:03:37,770 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:38,209 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:38,583 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:38,954 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:39,282 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:39,629 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:39,947 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:40,374 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:41,251 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:03:42,075 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 23:03:42,425 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:42,893 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:43,207 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:43,604 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:43,928 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:44,275 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:44,623 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:45,019 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:45,402 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:45,917 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:46,206 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:47,207 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:03:47,979 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 23:03:48,346 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:48,854 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:49,171 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:49,484 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:49,898 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:50,240 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:03:50,574 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:50,923 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:51,686 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:52,005 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:52,295 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:53,234 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:03:53,606 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:54,210 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:54,542 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:54,859 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:55,280 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:55,627 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:55,952 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:56,325 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:56,742 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:57,117 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:57,728 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:58,051 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:58,347 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:59,419 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:03:59,807 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:00,389 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:00,768 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:01,118 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:01,441 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:01,834 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:02,163 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:02,469 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:02,817 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:03,231 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:04:03,608 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:04:04,198 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:04,508 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:04:04,815 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:04:05,090 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:04:06,229 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:06,598 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:07,350 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:07,709 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:08,051 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:08,377 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:08,736 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:04:09,112 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:09,427 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:09,727 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:10,080 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:10,517 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:04:10,875 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:04:11,514 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:11,856 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:12,177 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:04:12,496 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:04:12,786 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:04:15,079 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 23:04:15,977 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 23:04:16,846 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 23:04:21,695 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:22,071 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:22,434 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:22,774 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:04:23,104 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:04:23,621 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:24,064 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:24,430 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:04:24,785 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:04:25,109 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:04:25,427 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:04:26,280 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:04:27,364 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:27,731 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:28,173 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:28,528 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:28,860 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:29,476 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:29,838 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:30,190 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:30,524 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:30,840 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:32,499 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:32,860 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:33,219 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:33,568 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:34,122 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:34,504 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:34,890 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:35,251 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:35,585 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:36,430 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:37,510 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:37,900 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:38,282 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:38,839 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:39,316 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:39,699 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:40,083 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:40,758 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:41,797 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:42,191 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:42,592 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:43,281 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:43,666 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:44,035 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:44,395 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:45,990 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:46,378 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:46,942 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:47,330 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:47,710 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:48,111 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:48,666 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:49,992 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:50,404 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:51,039 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:04:51,427 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:51,855 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:52,376 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:53,645 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:54,037 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:54,624 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:55,138 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 120