/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:31:06,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:31:06,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:31:06,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:31:06,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:31:06,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:31:06,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:31:06,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:31:06,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:31:06,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:31:06,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:31:06,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:31:06,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:31:06,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:31:06,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:31:06,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:31:06,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:31:06,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:31:06,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:31:06,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:31:06,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:31:06,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:31:06,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:31:06,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:31:06,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:31:06,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:31:06,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:31:06,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:31:06,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:31:06,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:31:06,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:31:06,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:31:06,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:31:06,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:31:06,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:31:06,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:31:06,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:31:06,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:31:06,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:31:06,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:31:06,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:31:06,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 12:31:06,334 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:31:06,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:31:06,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:31:06,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:31:06,339 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:31:06,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:31:06,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:31:06,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:31:06,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:31:06,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:31:06,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:31:06,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:31:06,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:31:06,341 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:31:06,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:31:06,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:31:06,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:31:06,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:31:06,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:31:06,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:31:06,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:31:06,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:31:06,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:31:06,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:31:06,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:31:06,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:31:06,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:31:06,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:31:06,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:31:06,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:31:06,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:31:06,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:31:06,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:31:06,778 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:31:06,779 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:31:06,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2020-10-29 12:31:06,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/628a43346/89e3f1e429c24f80af6803c93ecc7b25/FLAG1c9fea30b [2020-10-29 12:31:07,687 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:31:07,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2020-10-29 12:31:07,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/628a43346/89e3f1e429c24f80af6803c93ecc7b25/FLAG1c9fea30b [2020-10-29 12:31:07,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/628a43346/89e3f1e429c24f80af6803c93ecc7b25 [2020-10-29 12:31:07,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:31:07,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:31:07,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:31:07,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:31:07,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:31:07,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:31:07" (1/1) ... [2020-10-29 12:31:07,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715c73a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:07, skipping insertion in model container [2020-10-29 12:31:07,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:31:07" (1/1) ... [2020-10-29 12:31:07,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:31:08,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:31:08,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:31:08,271 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:31:08,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:31:08,371 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:31:08,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08 WrapperNode [2020-10-29 12:31:08,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:31:08,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:31:08,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:31:08,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:31:08,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (1/1) ... [2020-10-29 12:31:08,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (1/1) ... [2020-10-29 12:31:08,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (1/1) ... [2020-10-29 12:31:08,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (1/1) ... [2020-10-29 12:31:08,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (1/1) ... [2020-10-29 12:31:08,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (1/1) ... [2020-10-29 12:31:08,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (1/1) ... [2020-10-29 12:31:08,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:31:08,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:31:08,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:31:08,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:31:08,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:31:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:31:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:31:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:31:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 12:31:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-29 12:31:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-29 12:31:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-29 12:31:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-29 12:31:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-29 12:31:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-29 12:31:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-29 12:31:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-29 12:31:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:31:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-29 12:31:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:31:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:31:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:31:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:31:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 12:31:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-29 12:31:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-29 12:31:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 12:31:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-29 12:31:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-29 12:31:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-29 12:31:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-29 12:31:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-29 12:31:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-29 12:31:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-29 12:31:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-29 12:31:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-29 12:31:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-29 12:31:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:31:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:31:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:31:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:31:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:31:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:31:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:31:09,782 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:31:09,783 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 12:31:09,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:31:09 BoogieIcfgContainer [2020-10-29 12:31:09,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:31:09,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:31:09,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:31:09,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:31:09,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:31:07" (1/3) ... [2020-10-29 12:31:09,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e844f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:31:09, skipping insertion in model container [2020-10-29 12:31:09,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:31:08" (2/3) ... [2020-10-29 12:31:09,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e844f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:31:09, skipping insertion in model container [2020-10-29 12:31:09,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:31:09" (3/3) ... [2020-10-29 12:31:09,796 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c [2020-10-29 12:31:09,809 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:31:09,814 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:31:09,829 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:31:09,859 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:31:09,860 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:31:09,860 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:31:09,860 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:31:09,860 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:31:09,860 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:31:09,861 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:31:09,861 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:31:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-29 12:31:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-29 12:31:09,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:31:09,897 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] [2020-10-29 12:31:09,898 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:31:09,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:31:09,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1937602085, now seen corresponding path program 1 times [2020-10-29 12:31:09,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:31:09,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111066211] [2020-10-29 12:31:09,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:31:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:10,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:10,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:10,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 12:31:10,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-29 12:31:10,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:10,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:10,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:10,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:31:10,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:10,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-29 12:31:11,173 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:31:11,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:31:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:31:11,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:31:11,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:31:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:31:11,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:31:11,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 12:31:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:31:11,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:31:11,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:31:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 12:31:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:11,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:31:11,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 12:31:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:11,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:31:11,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 12:31:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:11,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:31:11,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:11,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:31:11,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 12:31:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:11,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:31:11,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 12:31:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:11,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:31:11,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:31:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:11,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:31:11,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:11,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:31:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:11,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:11,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:11,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:31:11,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:31:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:11,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:31:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:11,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:31:11,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111066211] [2020-10-29 12:31:11,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:31:11,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 12:31:11,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660409529] [2020-10-29 12:31:11,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:31:11,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:31:11,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:31:11,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:31:11,680 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 9 states. [2020-10-29 12:31:13,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:31:13,395 INFO L93 Difference]: Finished difference Result 250 states and 367 transitions. [2020-10-29 12:31:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:31:13,398 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-10-29 12:31:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:31:13,410 INFO L225 Difference]: With dead ends: 250 [2020-10-29 12:31:13,410 INFO L226 Difference]: Without dead ends: 146 [2020-10-29 12:31:13,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:31:13,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-29 12:31:13,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-29 12:31:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-29 12:31:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 221 transitions. [2020-10-29 12:31:13,480 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 221 transitions. Word has length 75 [2020-10-29 12:31:13,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:31:13,481 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 221 transitions. [2020-10-29 12:31:13,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:31:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2020-10-29 12:31:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-29 12:31:13,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:31:13,485 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] [2020-10-29 12:31:13,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:31:13,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:31:13,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:31:13,487 INFO L82 PathProgramCache]: Analyzing trace with hash 2139426019, now seen corresponding path program 1 times [2020-10-29 12:31:13,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:31:13,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177184176] [2020-10-29 12:31:13,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:31:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:13,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:14,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:14,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 12:31:14,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:14,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-10-29 12:31:14,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:14,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:14,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:31:14,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:31:14,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:31:14,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 12:31:14,991 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:31:14,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:31:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:31:15,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:31:15,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:31:15,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:31:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:31:15,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:31:15,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:31:15,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:31:15,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 12:31:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:31:15,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:31:15,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:31:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:31:15,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:15,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 12:31:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:15,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:31:15,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:15,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:15,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 12:31:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:15,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:31:15,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:15,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 12:31:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:15,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:31:15,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:15,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:15,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:15,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:15,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 12:31:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:15,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:31:15,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:15,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:15,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 12:31:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:15,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:31:15,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:15,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:15,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 12:31:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:15,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:31:15,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:31:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:31:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:15,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:15,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:15,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:31:15,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:31:15,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:15,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:31:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:15,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:31:15,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177184176] [2020-10-29 12:31:15,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:31:15,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-29 12:31:15,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425623111] [2020-10-29 12:31:15,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:31:15,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:31:15,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:31:15,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:31:15,438 INFO L87 Difference]: Start difference. First operand 146 states and 221 transitions. Second operand 15 states. [2020-10-29 12:31:15,804 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 12:31:16,111 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 12:31:16,535 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 12:31:16,844 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 12:31:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:31:19,166 INFO L93 Difference]: Finished difference Result 252 states and 371 transitions. [2020-10-29 12:31:19,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 12:31:19,172 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 75 [2020-10-29 12:31:19,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:31:19,176 INFO L225 Difference]: With dead ends: 252 [2020-10-29 12:31:19,176 INFO L226 Difference]: Without dead ends: 158 [2020-10-29 12:31:19,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:31:19,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-29 12:31:19,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 146. [2020-10-29 12:31:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-29 12:31:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 181 transitions. [2020-10-29 12:31:19,207 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 181 transitions. Word has length 75 [2020-10-29 12:31:19,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:31:19,208 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 181 transitions. [2020-10-29 12:31:19,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:31:19,208 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 181 transitions. [2020-10-29 12:31:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-29 12:31:19,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:31:19,214 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] [2020-10-29 12:31:19,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:31:19,215 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:31:19,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:31:19,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1421284524, now seen corresponding path program 1 times [2020-10-29 12:31:19,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:31:19,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082555901] [2020-10-29 12:31:19,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:31:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:19,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:19,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:19,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:19,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:22,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:24,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:24,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 12:31:24,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:31:24,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 12:31:24,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:24,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:24,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 12:31:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:31:24,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:31:24,756 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:31:24,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:31:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:24,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:24,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:24,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:31:24,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:24,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:31:24,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:24,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:24,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:24,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:31:24,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:31:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:24,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:24,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:24,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:31:24,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:24,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:31:24,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:24,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 12:31:24,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:31:24,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:31:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:24,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:24,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:24,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:31:24,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:24,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:31:24,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:24,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:24,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:24,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:31:24,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:31:24,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:31:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:24,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:24,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:24,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:24,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:24,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:31:24,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:24,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:24,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:24,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:24,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:31:24,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:24,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:31:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:24,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:24,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:24,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:24,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:24,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:31:24,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:24,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:31:24,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:24,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 12:31:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:25,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:25,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:25,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:25,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:25,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:31:25,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:25,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:31:25,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:25,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 12:31:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:25,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:25,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:25,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:25,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:31:25,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:25,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:31:25,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:25,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 12:31:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:25,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:25,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:25,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:25,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:25,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:31:25,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:25,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:25,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:25,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:31:25,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:25,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 12:31:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:25,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:25,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:25,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:25,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:25,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:31:25,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:25,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:25,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:31:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:31:25,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:25,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 12:31:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:25,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:25,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:31:25,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:25,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:31:25,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:25,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:31:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:25,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:31:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:31:25,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082555901] [2020-10-29 12:31:25,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:31:25,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:31:25,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037331486] [2020-10-29 12:31:25,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:31:25,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:31:25,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:31:25,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:31:25,279 INFO L87 Difference]: Start difference. First operand 146 states and 181 transitions. Second operand 12 states. [2020-10-29 12:31:25,587 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-29 12:31:28,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:31:28,585 INFO L93 Difference]: Finished difference Result 316 states and 419 transitions. [2020-10-29 12:31:28,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:31:28,585 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 114 [2020-10-29 12:31:28,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:31:28,591 INFO L225 Difference]: With dead ends: 316 [2020-10-29 12:31:28,591 INFO L226 Difference]: Without dead ends: 228 [2020-10-29 12:31:28,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2020-10-29 12:31:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-29 12:31:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 225. [2020-10-29 12:31:28,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-29 12:31:28,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 292 transitions. [2020-10-29 12:31:28,668 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 292 transitions. Word has length 114 [2020-10-29 12:31:28,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:31:28,671 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 292 transitions. [2020-10-29 12:31:28,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:31:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 292 transitions. [2020-10-29 12:31:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-29 12:31:28,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:31:28,680 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] [2020-10-29 12:31:28,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:31:28,681 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:31:28,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:31:28,682 INFO L82 PathProgramCache]: Analyzing trace with hash -756900362, now seen corresponding path program 1 times [2020-10-29 12:31:28,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:31:28,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876952892] [2020-10-29 12:31:28,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:31:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:28,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:28,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:28,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:29,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:33,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:33,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 12:31:33,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:31:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:31:33,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:33,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:31:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 12:31:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 12:31:33,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,036 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:31:34,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:31:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:31:34,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:31:34,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:31:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:31:34,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:31:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:31:34,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 12:31:34,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:31:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:31:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:31:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:31:34,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:31:34,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:31:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:31:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:31:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:34,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:31:34,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:31:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:31:34,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:31:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:34,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 12:31:34,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:31:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:31:34,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 12:31:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:34,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:31:34,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:34,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:31:34,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:31:34,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 12:31:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:34,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:31:34,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:31:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:31:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 12:31:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:34,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:31:34,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:31:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:31:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 12:31:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:31:34,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:31:34,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:31:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:31:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:31:34,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 12:31:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:31:34,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:31:34,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:31:34,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:31:34,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:31:34,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:31:34,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:31:34,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:31:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:31:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:31:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:31:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:31:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:31:34,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876952892] [2020-10-29 12:31:34,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:31:34,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-29 12:31:34,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454397161] [2020-10-29 12:31:34,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 12:31:34,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:31:34,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 12:31:34,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:31:34,810 INFO L87 Difference]: Start difference. First operand 225 states and 292 transitions. Second operand 22 states. [2020-10-29 12:31:35,212 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-29 12:31:35,507 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-29 12:31:35,807 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 12:31:36,141 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 12:31:36,461 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-29 12:31:36,783 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 12:31:37,504 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:38,156 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:39,196 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:40,603 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:40,831 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:31:41,343 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:31:41,784 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 12:31:42,415 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:42,654 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:31:42,792 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:31:43,774 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-29 12:31:44,104 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 12:31:44,431 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 12:31:44,743 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 12:31:45,046 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 12:31:48,512 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:48,658 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:31:48,801 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:31:49,302 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:31:49,457 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:31:49,909 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 12:31:50,482 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:50,617 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:31:51,261 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:31:52,115 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:52,272 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:31:52,412 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:31:52,936 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:31:53,081 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:31:53,636 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:53,778 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:31:53,917 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:31:54,431 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:31:55,004 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:31:55,146 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:31:55,290 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:31:55,952 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:31:56,100 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:31:57,327 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-29 12:31:57,925 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:31:58,111 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 12:31:58,365 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:31:58,557 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:31:58,812 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:31:59,011 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:31:59,271 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:31:59,469 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:31:59,701 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:31:59,877 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:32:00,252 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:32:00,420 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:32:00,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:32:00,713 INFO L93 Difference]: Finished difference Result 2474 states and 3495 transitions. [2020-10-29 12:32:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2020-10-29 12:32:00,714 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 114 [2020-10-29 12:32:00,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:32:00,733 INFO L225 Difference]: With dead ends: 2474 [2020-10-29 12:32:00,733 INFO L226 Difference]: Without dead ends: 2307 [2020-10-29 12:32:00,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7710 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=3493, Invalid=17387, Unknown=0, NotChecked=0, Total=20880 [2020-10-29 12:32:00,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2020-10-29 12:32:00,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2271. [2020-10-29 12:32:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2271 states. [2020-10-29 12:32:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 3205 transitions. [2020-10-29 12:32:00,996 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 3205 transitions. Word has length 114 [2020-10-29 12:32:00,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:32:00,997 INFO L481 AbstractCegarLoop]: Abstraction has 2271 states and 3205 transitions. [2020-10-29 12:32:00,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 12:32:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 3205 transitions. [2020-10-29 12:32:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:32:01,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:32:01,013 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] [2020-10-29 12:32:01,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:32:01,014 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:32:01,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:32:01,014 INFO L82 PathProgramCache]: Analyzing trace with hash 326321446, now seen corresponding path program 1 times [2020-10-29 12:32:01,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:32:01,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584236348] [2020-10-29 12:32:01,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:32:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:01,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:01,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:01,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:01,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:03,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:32:06,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:32:06,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:32:06,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:32:06,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:32:06,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 12:32:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,354 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:32:06,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:32:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:32:06,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:32:06,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:32:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:32:06,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:32:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:32:06,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:32:06,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:06,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 12:32:06,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:32:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:32:06,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:32:06,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:06,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:06,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:32:06,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:32:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:06,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:32:06,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:32:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:32:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:32:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:32:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:06,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:32:06,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:06,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 12:32:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:06,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:32:06,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:06,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 12:32:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:06,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:32:06,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:06,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:06,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:06,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 12:32:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:32:06,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 12:32:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:06,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:32:06,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 12:32:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:06,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:06,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:06,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:32:06,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:32:06,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:32:06,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:06,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:06,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 12:32:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:32:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:32:06,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584236348] [2020-10-29 12:32:06,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:32:06,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 12:32:06,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807470928] [2020-10-29 12:32:06,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:32:06,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:32:06,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:32:06,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:32:06,758 INFO L87 Difference]: Start difference. First operand 2271 states and 3205 transitions. Second operand 14 states. [2020-10-29 12:32:07,070 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-29 12:32:07,965 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-29 12:32:11,773 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-29 12:32:12,483 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-10-29 12:32:13,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:32:13,809 INFO L93 Difference]: Finished difference Result 10580 states and 15033 transitions. [2020-10-29 12:32:13,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 12:32:13,810 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 116 [2020-10-29 12:32:13,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:32:13,859 INFO L225 Difference]: With dead ends: 10580 [2020-10-29 12:32:13,859 INFO L226 Difference]: Without dead ends: 8367 [2020-10-29 12:32:13,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=420, Invalid=1386, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 12:32:13,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8367 states. [2020-10-29 12:32:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8367 to 8358. [2020-10-29 12:32:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8358 states. [2020-10-29 12:32:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8358 states to 8358 states and 11744 transitions. [2020-10-29 12:32:14,564 INFO L78 Accepts]: Start accepts. Automaton has 8358 states and 11744 transitions. Word has length 116 [2020-10-29 12:32:14,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:32:14,565 INFO L481 AbstractCegarLoop]: Abstraction has 8358 states and 11744 transitions. [2020-10-29 12:32:14,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:32:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 8358 states and 11744 transitions. [2020-10-29 12:32:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:32:14,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:32:14,569 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] [2020-10-29 12:32:14,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:32:14,569 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:32:14,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:32:14,570 INFO L82 PathProgramCache]: Analyzing trace with hash -937749026, now seen corresponding path program 1 times [2020-10-29 12:32:14,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:32:14,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72918497] [2020-10-29 12:32:14,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:32:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:14,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:14,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:17,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:19,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:19,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:32:19,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:32:19,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 12:32:19,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:19,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:32:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 12:32:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-29 12:32:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:19,997 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:32:19,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:32:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:32:20,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 12:32:20,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:32:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:32:20,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:32:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:32:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:32:20,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 12:32:20,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:32:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:32:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:20,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:32:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:32:20,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:32:20,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:32:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:32:20,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:32:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:20,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:32:20,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:32:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:32:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:32:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:20,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:32:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:20,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:32:20,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:32:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:32:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:32:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:20,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 12:32:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:20,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:32:20,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:32:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:32:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:32:20,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:20,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 12:32:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:20,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:32:20,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:32:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:32:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:32:20,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:20,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 12:32:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:20,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:32:20,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:32:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:32:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:32:20,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:20,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 12:32:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:20,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:32:20,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:32:20,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:32:20,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:32:20,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:20,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 12:32:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:20,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:20,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 12:32:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:32:20,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:20,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:32:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:32:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:32:20,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72918497] [2020-10-29 12:32:20,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:32:20,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-29 12:32:20,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093107361] [2020-10-29 12:32:20,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 12:32:20,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:32:20,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 12:32:20,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:32:20,860 INFO L87 Difference]: Start difference. First operand 8358 states and 11744 transitions. Second operand 22 states. [2020-10-29 12:32:21,218 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-29 12:32:21,526 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-29 12:32:21,818 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 12:32:22,117 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-29 12:32:22,429 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 12:32:22,786 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 12:32:23,126 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:32:23,543 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:32:23,822 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-29 12:32:24,002 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:32:24,563 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:32:24,871 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 12:32:25,062 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:32:25,193 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:25,331 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:32:25,822 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-29 12:32:26,105 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:32:26,451 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-29 12:32:26,707 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:26,846 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:32:26,990 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:32:28,166 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:32:28,488 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-29 12:32:28,896 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:32:29,032 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:29,168 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:32:29,450 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:29,740 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 12:32:31,076 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-29 12:32:31,464 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:32:31,725 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:32:31,856 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:32:31,981 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:34,496 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:32:34,645 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:32:34,825 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:32:34,999 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:32:36,524 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:36,676 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:32:36,816 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:32:36,971 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-29 12:32:37,197 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:32:38,224 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:38,515 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:38,673 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:32:38,825 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:32:39,731 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:32:40,062 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:32:40,212 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:32:40,846 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:32:41,129 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:32:41,362 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:32:41,536 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 12:32:41,910 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:32:42,739 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:32:43,279 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-29 12:32:44,376 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:32:44,997 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:32:45,587 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:32:46,183 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:32:46,406 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:32:46,807 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:32:47,037 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:32:47,479 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:32:48,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:32:48,645 INFO L93 Difference]: Finished difference Result 21565 states and 31615 transitions. [2020-10-29 12:32:48,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2020-10-29 12:32:48,647 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 116 [2020-10-29 12:32:48,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:32:48,743 INFO L225 Difference]: With dead ends: 21565 [2020-10-29 12:32:48,743 INFO L226 Difference]: Without dead ends: 13265 [2020-10-29 12:32:48,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7748 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=3641, Invalid=16665, Unknown=0, NotChecked=0, Total=20306 [2020-10-29 12:32:48,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13265 states. [2020-10-29 12:32:50,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13265 to 11484. [2020-10-29 12:32:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11484 states. [2020-10-29 12:32:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11484 states to 11484 states and 16235 transitions. [2020-10-29 12:32:50,084 INFO L78 Accepts]: Start accepts. Automaton has 11484 states and 16235 transitions. Word has length 116 [2020-10-29 12:32:50,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:32:50,085 INFO L481 AbstractCegarLoop]: Abstraction has 11484 states and 16235 transitions. [2020-10-29 12:32:50,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 12:32:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 11484 states and 16235 transitions. [2020-10-29 12:32:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:32:50,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:32:50,089 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] [2020-10-29 12:32:50,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:32:50,090 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:32:50,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:32:50,091 INFO L82 PathProgramCache]: Analyzing trace with hash -807098806, now seen corresponding path program 1 times [2020-10-29 12:32:50,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:32:50,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417951140] [2020-10-29 12:32:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:32:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:50,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:50,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:50,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:50,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:50,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:50,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:32:55,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:32:55,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:32:55,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:32:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:32:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 12:32:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,558 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:32:55,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:32:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:55,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:32:55,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:55,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:32:55,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:32:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:32:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:55,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:32:55,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 12:32:55,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:32:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:32:55,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:32:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:55,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:32:55,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:32:55,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:32:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:32:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:55,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:55,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:55,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:32:55,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:32:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:55,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:55,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:55,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:32:55,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:55,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 12:32:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:55,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:55,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:55,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:32:55,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:55,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 12:32:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:55,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:55,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:55,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:32:55,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:32:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:32:55,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:32:55,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 12:32:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:55,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:55,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:55,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 12:32:55,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:55,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 12:32:55,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:55,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:32:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:32:55,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 12:32:55,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:55,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:32:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:56,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:56,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:56,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:32:56,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:56,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:32:56,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:56,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:32:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:32:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:32:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:56,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 12:32:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:32:56,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:32:56,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:32:56,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:32:56,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:32:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:32:56,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:32:56,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:32:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:32:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:32:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:32:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:32:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:32:56,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417951140] [2020-10-29 12:32:56,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:32:56,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-29 12:32:56,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124937444] [2020-10-29 12:32:56,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 12:32:56,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:32:56,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 12:32:56,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:32:56,045 INFO L87 Difference]: Start difference. First operand 11484 states and 16235 transitions. Second operand 16 states. [2020-10-29 12:32:56,356 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 12:32:56,676 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 12:32:57,404 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 12:32:58,660 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-29 12:33:00,280 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:33:00,676 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-10-29 12:33:02,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:33:02,018 INFO L93 Difference]: Finished difference Result 25292 states and 35438 transitions. [2020-10-29 12:33:02,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 12:33:02,018 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 116 [2020-10-29 12:33:02,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:33:02,107 INFO L225 Difference]: With dead ends: 25292 [2020-10-29 12:33:02,107 INFO L226 Difference]: Without dead ends: 13866 [2020-10-29 12:33:02,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=359, Invalid=973, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 12:33:02,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13866 states. [2020-10-29 12:33:03,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13866 to 11881. [2020-10-29 12:33:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11881 states. [2020-10-29 12:33:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11881 states to 11881 states and 16778 transitions. [2020-10-29 12:33:03,363 INFO L78 Accepts]: Start accepts. Automaton has 11881 states and 16778 transitions. Word has length 116 [2020-10-29 12:33:03,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:33:03,364 INFO L481 AbstractCegarLoop]: Abstraction has 11881 states and 16778 transitions. [2020-10-29 12:33:03,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 12:33:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 11881 states and 16778 transitions. [2020-10-29 12:33:03,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:33:03,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:33:03,368 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] [2020-10-29 12:33:03,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:33:03,369 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:33:03,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:33:03,369 INFO L82 PathProgramCache]: Analyzing trace with hash 2097475596, now seen corresponding path program 1 times [2020-10-29 12:33:03,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:33:03,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826884330] [2020-10-29 12:33:03,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:33:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:03,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:03,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:03,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:04,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:04,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:07,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:08,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:08,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:33:08,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:33:08,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:33:08,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:08,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:33:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:33:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 12:33:08,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:08,717 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:33:08,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:33:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:08,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:08,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:08,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:33:08,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:08,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 12:33:08,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:08,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:33:08,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:08,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:33:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:08,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:08,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:08,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:33:08,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 12:33:08,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:08,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:33:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:33:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:08,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:33:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:08,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:08,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:08,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:33:08,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:08,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:33:08,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:08,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:33:08,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:08,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:33:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:08,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:08,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:08,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:08,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:33:08,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:08,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:33:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:08,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:33:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:08,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:08,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:08,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:08,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:08,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:33:08,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:08,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:33:08,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:08,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 12:33:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:08,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:08,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:08,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:08,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:08,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:33:08,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:08,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:33:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:08,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 12:33:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:08,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:08,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:08,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 12:33:08,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:33:08,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:08,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:08,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:33:08,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:33:08,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 12:33:08,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 12:33:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:09,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:09,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:09,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:33:09,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:09,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:09,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:33:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:09,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:09,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:09,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:09,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:33:09,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:09,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:09,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:09,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:09,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:09,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:09,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 12:33:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:09,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:09,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:09,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:33:09,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:09,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:33:09,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:09,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:33:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:09,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:33:09,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826884330] [2020-10-29 12:33:09,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:33:09,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-29 12:33:09,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448949905] [2020-10-29 12:33:09,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 12:33:09,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:33:09,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 12:33:09,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:33:09,174 INFO L87 Difference]: Start difference. First operand 11881 states and 16778 transitions. Second operand 16 states. [2020-10-29 12:33:09,765 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 174 [2020-10-29 12:33:10,080 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-29 12:33:11,037 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2020-10-29 12:33:11,247 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-10-29 12:33:11,564 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-29 12:33:11,869 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-29 12:33:12,228 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-29 12:33:12,558 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-10-29 12:33:12,795 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-10-29 12:33:13,125 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-29 12:33:13,452 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-29 12:33:13,917 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-10-29 12:33:14,217 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-29 12:33:14,515 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-29 12:33:14,851 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-10-29 12:33:15,179 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-29 12:33:15,542 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-29 12:33:16,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:33:16,528 INFO L93 Difference]: Finished difference Result 22730 states and 31983 transitions. [2020-10-29 12:33:16,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 12:33:16,529 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 116 [2020-10-29 12:33:16,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:33:16,587 INFO L225 Difference]: With dead ends: 22730 [2020-10-29 12:33:16,588 INFO L226 Difference]: Without dead ends: 15177 [2020-10-29 12:33:16,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=344, Invalid=988, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 12:33:16,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15177 states. [2020-10-29 12:33:17,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15177 to 12066. [2020-10-29 12:33:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12066 states. [2020-10-29 12:33:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12066 states to 12066 states and 17033 transitions. [2020-10-29 12:33:17,967 INFO L78 Accepts]: Start accepts. Automaton has 12066 states and 17033 transitions. Word has length 116 [2020-10-29 12:33:17,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:33:17,968 INFO L481 AbstractCegarLoop]: Abstraction has 12066 states and 17033 transitions. [2020-10-29 12:33:17,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 12:33:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 12066 states and 17033 transitions. [2020-10-29 12:33:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:33:17,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:33:17,971 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] [2020-10-29 12:33:17,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:33:17,972 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:33:17,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:33:17,972 INFO L82 PathProgramCache]: Analyzing trace with hash 120440704, now seen corresponding path program 1 times [2020-10-29 12:33:17,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:33:17,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397672980] [2020-10-29 12:33:17,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:33:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:18,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:18,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:18,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:18,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:18,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:33:23,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:33:23,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:33:23,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:33:23,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 12:33:23,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:33:23,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,287 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:33:23,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:33:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:33:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:33:23,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:33:23,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:33:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:33:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:33:23,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:33:23,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:33:23,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:33:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:23,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:33:23,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:23,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:23,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:33:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:33:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:23,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:33:23,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:33:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 12:33:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 12:33:23,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:33:23,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:23,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:23,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:33:23,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 12:33:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:23,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:33:23,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:33:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:33:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:33:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 12:33:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:23,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:33:23,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:23,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:23,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:33:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:23,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:33:23,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:23,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 12:33:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:23,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:23,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:23,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:33:23,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:23,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:33:23,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:23,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:23,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:33:23,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:23,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:33:23,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397672980] [2020-10-29 12:33:23,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:33:23,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 12:33:23,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390730818] [2020-10-29 12:33:23,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:33:23,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:33:23,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:33:23,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:33:23,640 INFO L87 Difference]: Start difference. First operand 12066 states and 17033 transitions. Second operand 12 states. [2020-10-29 12:33:23,956 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-29 12:33:26,813 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-29 12:33:28,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:33:28,392 INFO L93 Difference]: Finished difference Result 34116 states and 48367 transitions. [2020-10-29 12:33:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:33:28,393 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-29 12:33:28,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:33:28,482 INFO L225 Difference]: With dead ends: 34116 [2020-10-29 12:33:28,482 INFO L226 Difference]: Without dead ends: 22298 [2020-10-29 12:33:28,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2020-10-29 12:33:28,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22298 states. [2020-10-29 12:33:30,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22298 to 22265. [2020-10-29 12:33:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22265 states. [2020-10-29 12:33:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22265 states to 22265 states and 31197 transitions. [2020-10-29 12:33:30,343 INFO L78 Accepts]: Start accepts. Automaton has 22265 states and 31197 transitions. Word has length 116 [2020-10-29 12:33:30,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:33:30,343 INFO L481 AbstractCegarLoop]: Abstraction has 22265 states and 31197 transitions. [2020-10-29 12:33:30,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:33:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 22265 states and 31197 transitions. [2020-10-29 12:33:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:33:30,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:33:30,346 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] [2020-10-29 12:33:30,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:33:30,346 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:33:30,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:33:30,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1130514250, now seen corresponding path program 1 times [2020-10-29 12:33:30,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:33:30,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311640167] [2020-10-29 12:33:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:33:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:30,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:30,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:30,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:32,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:35,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:35,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:33:35,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:33:35,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 12:33:35,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:35,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:33:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:33:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 12:33:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:35,711 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:33:35,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:33:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:35,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:35,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:35,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:33:35,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:35,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:33:35,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:35,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:35,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:35,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:35,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:33:35,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:35,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:33:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:35,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:35,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:35,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:33:35,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:33:35,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:35,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:33:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:33:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:35,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:33:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:35,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:35,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:35,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:33:35,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:35,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:33:35,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:35,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:33:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:35,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:33:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:35,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:35,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:35,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:35,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:35,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:33:35,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:35,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:33:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:35,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:33:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:35,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:35,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:35,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:35,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:35,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:33:35,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:35,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:35,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:35,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:33:35,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 12:33:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:35,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:35,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:35,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 12:33:35,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:35,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:33:35,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:35,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:33:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:33:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 12:33:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:35,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 12:33:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:35,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:35,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:35,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:36,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 12:33:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:36,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:36,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:36,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:36,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:36,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:33:36,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:36,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:36,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:36,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:33:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:36,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:36,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:36,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:36,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 12:33:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:36,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:36,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:36,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:33:36,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:33:36,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:36,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:33:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:33:36,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311640167] [2020-10-29 12:33:36,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:33:36,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-29 12:33:36,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394862003] [2020-10-29 12:33:36,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 12:33:36,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:33:36,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 12:33:36,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:33:36,103 INFO L87 Difference]: Start difference. First operand 22265 states and 31197 transitions. Second operand 16 states. [2020-10-29 12:33:36,749 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 174 [2020-10-29 12:33:37,082 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-29 12:33:38,073 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 176 [2020-10-29 12:33:38,285 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-29 12:33:38,606 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-29 12:33:38,922 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-29 12:33:39,178 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-29 12:33:39,401 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-29 12:33:39,708 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-29 12:33:40,048 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-29 12:33:40,343 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-29 12:33:40,754 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-29 12:33:41,033 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-29 12:33:41,337 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-29 12:33:41,648 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-29 12:33:42,018 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-29 12:33:42,385 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-29 12:33:44,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:33:44,466 INFO L93 Difference]: Finished difference Result 41716 states and 58274 transitions. [2020-10-29 12:33:44,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 12:33:44,467 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 116 [2020-10-29 12:33:44,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:33:44,579 INFO L225 Difference]: With dead ends: 41716 [2020-10-29 12:33:44,579 INFO L226 Difference]: Without dead ends: 31078 [2020-10-29 12:33:44,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=344, Invalid=988, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 12:33:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31078 states. [2020-10-29 12:33:47,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31078 to 22186. [2020-10-29 12:33:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22186 states. [2020-10-29 12:33:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22186 states to 22186 states and 31099 transitions. [2020-10-29 12:33:47,068 INFO L78 Accepts]: Start accepts. Automaton has 22186 states and 31099 transitions. Word has length 116 [2020-10-29 12:33:47,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:33:47,068 INFO L481 AbstractCegarLoop]: Abstraction has 22186 states and 31099 transitions. [2020-10-29 12:33:47,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 12:33:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 22186 states and 31099 transitions. [2020-10-29 12:33:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:33:47,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:33:47,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:33:47,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:33:47,071 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:33:47,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:33:47,071 INFO L82 PathProgramCache]: Analyzing trace with hash 796897420, now seen corresponding path program 1 times [2020-10-29 12:33:47,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:33:47,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848861464] [2020-10-29 12:33:47,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:33:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:47,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:47,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:47,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:47,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:47,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:51,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:33:52,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:33:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:33:52,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:33:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 12:33:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 12:33:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,510 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:33:52,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:33:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:33:52,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:33:52,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 12:33:52,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:33:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:33:52,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:33:52,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:33:52,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:52,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:33:52,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:33:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:33:52,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:33:52,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:33:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:33:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:52,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:33:52,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:33:52,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:33:52,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:33:52,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 12:33:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 12:33:52,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:33:52,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:33:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:33:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 12:33:52,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 12:33:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:52,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:33:52,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:52,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:52,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:52,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 12:33:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:52,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:33:52,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:52,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:52,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:52,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 12:33:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:52,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:33:52,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:33:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:52,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 12:33:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:33:52,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:33:52,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:33:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:33:52,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848861464] [2020-10-29 12:33:52,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:33:52,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-29 12:33:52,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058714662] [2020-10-29 12:33:52,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 12:33:52,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:33:52,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 12:33:52,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:33:52,905 INFO L87 Difference]: Start difference. First operand 22186 states and 31099 transitions. Second operand 16 states. [2020-10-29 12:33:53,550 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 174 [2020-10-29 12:33:53,886 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-29 12:33:54,897 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-10-29 12:33:55,122 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-10-29 12:33:55,848 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 178 [2020-10-29 12:33:56,103 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-10-29 12:33:56,365 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-29 12:33:56,674 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-29 12:33:56,929 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-29 12:33:57,211 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-29 12:33:57,591 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-10-29 12:33:57,876 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-29 12:33:58,159 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-10-29 12:33:58,387 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-10-29 12:33:58,666 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-29 12:33:58,948 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-29 12:33:59,297 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-29 12:33:59,651 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-29 12:34:02,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:34:02,188 INFO L93 Difference]: Finished difference Result 57107 states and 79876 transitions. [2020-10-29 12:34:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 12:34:02,188 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 116 [2020-10-29 12:34:02,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:34:02,291 INFO L225 Difference]: With dead ends: 57107 [2020-10-29 12:34:02,292 INFO L226 Difference]: Without dead ends: 35014 [2020-10-29 12:34:02,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=381, Invalid=1025, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 12:34:02,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35014 states. [2020-10-29 12:34:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35014 to 22090. [2020-10-29 12:34:04,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22090 states. [2020-10-29 12:34:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22090 states to 22090 states and 30973 transitions. [2020-10-29 12:34:04,651 INFO L78 Accepts]: Start accepts. Automaton has 22090 states and 30973 transitions. Word has length 116 [2020-10-29 12:34:04,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:34:04,651 INFO L481 AbstractCegarLoop]: Abstraction has 22090 states and 30973 transitions. [2020-10-29 12:34:04,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 12:34:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 22090 states and 30973 transitions. [2020-10-29 12:34:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 12:34:04,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:34:04,653 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] [2020-10-29 12:34:04,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:34:04,654 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:34:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:34:04,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1316443062, now seen corresponding path program 1 times [2020-10-29 12:34:04,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:34:04,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186898479] [2020-10-29 12:34:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:34:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:04,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:04,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:04,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:04,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:06,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:09,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:09,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:34:09,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:34:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:34:09,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:09,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:34:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 12:34:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-29 12:34:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,000 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-29 12:34:10,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:34:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:34:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:34:10,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:34:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:34:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:34:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:34:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 12:34:10,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 12:34:10,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:34:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:34:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:34:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:34:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:34:10,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:34:10,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:34:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:34:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:34:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 12:34:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 12:34:10,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:34:10,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:34:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:34:10,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 12:34:10,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 12:34:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:34:10,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 12:34:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:34:10,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:34:10,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:34:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:34:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:34:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 12:34:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:34:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:34:10,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:34:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:34:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:34:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 12:34:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:34:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:34:10,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 12:34:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:34:10,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:34:10,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:34:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 12:34:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 12:34:10,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 12:34:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:34:10,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:34:10,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 12:34:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:34:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:34:10,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186898479] [2020-10-29 12:34:10,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:34:10,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-29 12:34:10,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713584760] [2020-10-29 12:34:10,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 12:34:10,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:34:10,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 12:34:10,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:34:10,668 INFO L87 Difference]: Start difference. First operand 22090 states and 30973 transitions. Second operand 22 states. [2020-10-29 12:34:11,447 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2020-10-29 12:34:11,767 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-29 12:34:12,073 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-29 12:34:12,389 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 12:34:12,714 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 12:34:13,054 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-29 12:34:13,462 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-29 12:34:13,774 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-29 12:34:14,067 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-29 12:34:14,422 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-29 12:34:14,723 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-29 12:34:15,059 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-29 12:34:15,608 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:34:16,265 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:34:17,255 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:34:17,415 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:34:17,566 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:34:17,709 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 12:34:18,179 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-29 12:34:18,879 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:34:19,031 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:34:19,183 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:34:19,484 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:34:19,752 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 12:34:21,073 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-29 12:34:21,413 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-29 12:34:21,759 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 12:34:22,096 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-29 12:34:22,425 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 12:34:24,304 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:34:24,459 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-29 12:34:24,630 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 12:34:25,433 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 12:34:25,637 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-29 12:34:25,847 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 12:34:26,898 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:34:27,044 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:34:27,191 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:34:27,503 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:34:28,506 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:34:29,532 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:34:29,699 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:34:30,012 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:34:30,172 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:34:30,544 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:34:30,852 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 12:34:31,066 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:34:31,360 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:34:32,146 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:34:32,300 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:34:32,453 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:34:32,600 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:34:33,135 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:34:33,346 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:34:33,505 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:34:33,798 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 12:34:34,043 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:34:34,645 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:34:34,988 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 12:34:35,170 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-29 12:34:35,354 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 12:34:35,526 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:34:36,066 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 12:34:36,244 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 12:34:36,562 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-29 12:34:37,315 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 12:34:37,475 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 12:34:37,644 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 12:34:37,798 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 12:34:38,517 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-29 12:34:38,911 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91