/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 23:00:58,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 23:00:58,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 23:00:58,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 23:00:58,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 23:00:58,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 23:00:58,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 23:00:58,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 23:00:58,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 23:00:58,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 23:00:58,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 23:00:58,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 23:00:58,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 23:00:58,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 23:00:58,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 23:00:58,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 23:00:58,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 23:00:58,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 23:00:58,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 23:00:58,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 23:00:58,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 23:00:58,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 23:00:58,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 23:00:58,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 23:00:58,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 23:00:58,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 23:00:58,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 23:00:58,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 23:00:58,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 23:00:58,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 23:00:58,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 23:00:58,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 23:00:58,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 23:00:58,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 23:00:58,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 23:00:58,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 23:00:58,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 23:00:58,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 23:00:58,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 23:00:58,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 23:00:58,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 23:00:58,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 23:00:58,939 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 23:00:58,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 23:00:58,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 23:00:58,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 23:00:58,944 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 23:00:58,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 23:00:58,944 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 23:00:58,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 23:00:58,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 23:00:58,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 23:00:58,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 23:00:58,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 23:00:58,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 23:00:58,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 23:00:58,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 23:00:58,947 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 23:00:58,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 23:00:58,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 23:00:58,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 23:00:58,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 23:00:58,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 23:00:58,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 23:00:58,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 23:00:58,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 23:00:58,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 23:00:58,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 23:00:58,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 23:00:58,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 23:00:58,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 23:00:58,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 23:00:59,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 23:00:59,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 23:00:59,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 23:00:59,387 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 23:00:59,388 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 23:00:59,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c [2020-10-27 23:00:59,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/966d3d7c3/9472fc8ca4fd45feb62534e003ed5dba/FLAGb55688a0a [2020-10-27 23:01:00,191 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 23:01:00,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c [2020-10-27 23:01:00,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/966d3d7c3/9472fc8ca4fd45feb62534e003ed5dba/FLAGb55688a0a [2020-10-27 23:01:00,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/966d3d7c3/9472fc8ca4fd45feb62534e003ed5dba [2020-10-27 23:01:00,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 23:01:00,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 23:01:00,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 23:01:00,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 23:01:00,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 23:01:00,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:01:00" (1/1) ... [2020-10-27 23:01:00,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56fbc340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:00, skipping insertion in model container [2020-10-27 23:01:00,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:01:00" (1/1) ... [2020-10-27 23:01:00,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 23:01:00,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 23:01:00,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:01:00,881 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 23:01:01,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:01:01,084 INFO L208 MainTranslator]: Completed translation [2020-10-27 23:01:01,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01 WrapperNode [2020-10-27 23:01:01,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 23:01:01,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 23:01:01,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 23:01:01,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 23:01:01,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (1/1) ... [2020-10-27 23:01:01,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (1/1) ... [2020-10-27 23:01:01,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (1/1) ... [2020-10-27 23:01:01,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (1/1) ... [2020-10-27 23:01:01,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (1/1) ... [2020-10-27 23:01:01,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (1/1) ... [2020-10-27 23:01:01,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (1/1) ... [2020-10-27 23:01:01,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 23:01:01,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 23:01:01,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 23:01:01,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 23:01:01,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 23:01:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 23:01:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 23:01:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 23:01:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 23:01:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-27 23:01:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-27 23:01:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-27 23:01:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-27 23:01:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-27 23:01:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-27 23:01:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-27 23:01:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2020-10-27 23:01:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 23:01:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 23:01:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 23:01:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 23:01:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 23:01:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 23:01:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 23:01:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 23:01:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 23:01:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 23:01:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 23:01:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 23:01:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 23:01:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 23:01:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 23:01:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-27 23:01:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-27 23:01:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-27 23:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-27 23:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-27 23:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-27 23:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-27 23:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2020-10-27 23:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 23:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 23:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 23:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 23:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 23:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 23:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 23:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 23:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 23:01:02,520 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 23:01:02,521 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 23:01:02,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:01:02 BoogieIcfgContainer [2020-10-27 23:01:02,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 23:01:02,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 23:01:02,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 23:01:02,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 23:01:02,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 11:01:00" (1/3) ... [2020-10-27 23:01:02,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532c29f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:01:02, skipping insertion in model container [2020-10-27 23:01:02,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:01:01" (2/3) ... [2020-10-27 23:01:02,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532c29f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:01:02, skipping insertion in model container [2020-10-27 23:01:02,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:01:02" (3/3) ... [2020-10-27 23:01:02,532 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c [2020-10-27 23:01:02,544 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 23:01:02,549 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 23:01:02,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 23:01:02,591 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 23:01:02,591 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 23:01:02,591 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 23:01:02,592 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 23:01:02,592 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 23:01:02,592 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 23:01:02,592 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 23:01:02,592 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 23:01:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-10-27 23:01:02,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 23:01:02,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:02,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:01:02,630 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:02,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:02,636 INFO L82 PathProgramCache]: Analyzing trace with hash 939646678, now seen corresponding path program 1 times [2020-10-27 23:01:02,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:02,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981434252] [2020-10-27 23:01:02,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:02,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:03,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:03,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 23:01:03,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:03,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-27 23:01:03,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 23:01:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:03,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 23:01:04,197 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:04,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:04,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 23:01:04,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:01:04,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:04,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:01:04,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 23:01:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:04,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:01:04,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 23:01:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:01:04,451 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-10-27 23:01:04,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:01:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:04,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:01:04,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:01:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:04,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:01:04,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:01:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:04,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:01:04,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:04,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 23:01:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:04,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:01:04,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 23:01:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:04,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:04,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:04,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:01:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:04,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:04,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 23:01:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:04,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:04,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:04,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:01:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:04,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:04,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 23:01:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:04,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:04,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:04,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:04,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:04,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:01:04,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:04,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:04,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:04,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:04,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:04,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981434252] [2020-10-27 23:01:04,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:04,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:01:04,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816004862] [2020-10-27 23:01:04,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:01:04,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:04,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:01:04,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:01:04,884 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 11 states. [2020-10-27 23:01:05,411 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:01:05,788 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:06,078 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:06,380 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:06,646 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:06,938 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:07,203 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:07,433 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:07,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:07,614 INFO L93 Difference]: Finished difference Result 313 states and 474 transitions. [2020-10-27 23:01:07,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 23:01:07,616 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-10-27 23:01:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:07,644 INFO L225 Difference]: With dead ends: 313 [2020-10-27 23:01:07,644 INFO L226 Difference]: Without dead ends: 191 [2020-10-27 23:01:07,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:01:07,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-27 23:01:07,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 190. [2020-10-27 23:01:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-27 23:01:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 297 transitions. [2020-10-27 23:01:07,732 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 297 transitions. Word has length 89 [2020-10-27 23:01:07,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:07,732 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 297 transitions. [2020-10-27 23:01:07,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:01:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 297 transitions. [2020-10-27 23:01:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 23:01:07,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:07,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:01:07,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 23:01:07,738 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:07,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:07,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1826869524, now seen corresponding path program 1 times [2020-10-27 23:01:07,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:07,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351328627] [2020-10-27 23:01:07,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:07,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:08,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:08,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 23:01:08,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:08,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 959 [2020-10-27 23:01:08,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 23:01:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:01:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 23:01:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,144 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:09,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:09,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:01:09,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:09,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:01:09,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:09,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 23:01:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:09,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:01:09,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:09,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:01:09,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:09,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:01:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:09,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:09,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:09,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:01:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:09,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:09,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:01:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:09,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:09,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 23:01:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:09,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:09,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:09,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 23:01:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:09,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:01:09,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:01:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:09,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:01:09,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 23:01:09,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 23:01:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:09,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:01:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:09,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 23:01:09,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:09,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 23:01:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:09,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:09,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:09,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:09,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:01:09,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:01:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:09,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351328627] [2020-10-27 23:01:09,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:09,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 23:01:09,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82693907] [2020-10-27 23:01:09,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 23:01:09,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:09,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 23:01:09,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-27 23:01:09,810 INFO L87 Difference]: Start difference. First operand 190 states and 297 transitions. Second operand 17 states. [2020-10-27 23:01:10,235 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 23:01:10,670 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 23:01:11,199 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 23:01:11,623 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-27 23:01:12,729 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:01:13,011 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:13,298 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:13,614 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:13,907 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:14,182 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:14,475 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:14,777 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:15,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:15,120 INFO L93 Difference]: Finished difference Result 308 states and 462 transitions. [2020-10-27 23:01:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 23:01:15,120 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 89 [2020-10-27 23:01:15,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:15,123 INFO L225 Difference]: With dead ends: 308 [2020-10-27 23:01:15,123 INFO L226 Difference]: Without dead ends: 191 [2020-10-27 23:01:15,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2020-10-27 23:01:15,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-27 23:01:15,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 190. [2020-10-27 23:01:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-27 23:01:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 236 transitions. [2020-10-27 23:01:15,154 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 236 transitions. Word has length 89 [2020-10-27 23:01:15,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:15,154 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 236 transitions. [2020-10-27 23:01:15,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 23:01:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 236 transitions. [2020-10-27 23:01:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:01:15,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:15,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:01:15,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 23:01:15,161 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:15,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:15,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1340801732, now seen corresponding path program 1 times [2020-10-27 23:01:15,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:15,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225139397] [2020-10-27 23:01:15,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:15,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:15,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:15,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:15,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:16,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:01:20,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:01:20,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 23:01:20,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 23:01:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 23:01:20,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:01:20,659 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:20,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 23:01:20,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:01:20,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 23:01:20,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 23:01:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:01:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:20,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:20,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:01:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:01:20,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:20,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:01:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:20,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:20,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:20,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:01:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:20,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:20,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:20,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:01:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:20,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:20,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:01:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:20,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:20,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:20,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:20,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:20,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:20,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:20,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:20,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:20,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:01:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:20,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:21,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:21,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:21,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:21,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:01:21,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:01:21,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:01:21,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:01:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:21,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:21,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:21,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:21,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:21,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:21,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:21,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:01:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:21,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:21,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:21,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:21,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:21,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:01:21,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:21,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:21,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:21,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:21,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:01:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:21,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:21,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:21,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:21,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:21,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:21,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:21,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:21,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:21,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225139397] [2020-10-27 23:01:21,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:21,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:01:21,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407834386] [2020-10-27 23:01:21,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:01:21,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:21,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:01:21,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:01:21,217 INFO L87 Difference]: Start difference. First operand 190 states and 236 transitions. Second operand 14 states. [2020-10-27 23:01:21,585 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:01:22,121 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:01:22,361 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:22,615 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:22,860 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:23,105 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:23,326 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:23,496 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:23,732 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:24,139 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:01:24,352 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:24,558 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:24,753 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:24,954 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:25,175 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:01:25,344 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:01:25,542 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:25,777 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:25,977 INFO L93 Difference]: Finished difference Result 408 states and 544 transitions. [2020-10-27 23:01:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:01:25,978 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:01:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:25,984 INFO L225 Difference]: With dead ends: 408 [2020-10-27 23:01:25,984 INFO L226 Difference]: Without dead ends: 297 [2020-10-27 23:01:25,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:01:25,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-27 23:01:26,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 292. [2020-10-27 23:01:26,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-10-27 23:01:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 381 transitions. [2020-10-27 23:01:26,030 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 381 transitions. Word has length 149 [2020-10-27 23:01:26,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:26,031 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 381 transitions. [2020-10-27 23:01:26,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:01:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 381 transitions. [2020-10-27 23:01:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:01:26,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:26,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:01:26,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 23:01:26,038 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:26,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:26,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1242492144, now seen corresponding path program 1 times [2020-10-27 23:01:26,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:26,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888461801] [2020-10-27 23:01:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:26,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:26,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:26,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:26,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:27,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:01:31,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:01:31,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 23:01:31,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 23:01:31,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 23:01:31,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,468 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:31,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:31,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:01:31,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:01:31,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 23:01:31,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:01:31,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:01:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:31,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:31,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:31,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:01:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:31,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:31,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:31,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:01:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:31,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:01:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:31,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:31,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:31,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:01:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:31,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:01:31,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:01:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:01:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:01:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:31,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:31,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:31,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:01:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:31,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:01:31,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:31,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:31,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:31,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:01:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:31,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:31,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:31,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:01:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:31,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:31,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:31,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:31,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:31,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:31,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:01:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:31,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:31,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:31,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:31,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:31,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:01:31,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:31,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:31,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:31,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:31,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:32,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888461801] [2020-10-27 23:01:32,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:32,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:01:32,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933610341] [2020-10-27 23:01:32,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:01:32,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:32,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:01:32,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:01:32,003 INFO L87 Difference]: Start difference. First operand 292 states and 381 transitions. Second operand 14 states. [2020-10-27 23:01:32,415 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:01:32,990 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:01:33,237 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:33,486 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:33,735 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:33,907 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:34,160 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:34,329 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:34,553 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:35,136 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:35,337 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:35,584 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:01:35,758 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:01:35,960 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:36,184 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:36,461 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:36,689 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:36,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:36,924 INFO L93 Difference]: Finished difference Result 710 states and 973 transitions. [2020-10-27 23:01:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:01:36,925 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:01:36,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:36,933 INFO L225 Difference]: With dead ends: 710 [2020-10-27 23:01:36,933 INFO L226 Difference]: Without dead ends: 497 [2020-10-27 23:01:36,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:01:36,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-10-27 23:01:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 490. [2020-10-27 23:01:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-27 23:01:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 661 transitions. [2020-10-27 23:01:37,010 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 661 transitions. Word has length 149 [2020-10-27 23:01:37,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:37,011 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 661 transitions. [2020-10-27 23:01:37,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:01:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 661 transitions. [2020-10-27 23:01:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:01:37,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:37,013 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:01:37,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 23:01:37,014 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:37,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:37,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1207773530, now seen corresponding path program 1 times [2020-10-27 23:01:37,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:37,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968067652] [2020-10-27 23:01:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:37,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:37,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:37,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:41,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:41,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:41,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:01:42,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:01:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 23:01:42,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 23:01:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 23:01:42,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,420 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:42,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:42,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:01:42,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:01:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 23:01:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 23:01:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:01:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:42,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:42,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:01:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:42,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:42,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:42,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:01:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:42,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:42,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:42,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:01:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:42,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:01:42,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:42,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:01:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:42,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:01:42,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:42,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:01:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:42,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:01:42,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:42,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:01:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:42,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:01:42,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:01:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:42,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:42,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:42,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:42,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:01:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:42,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:01:42,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:42,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:01:42,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:01:42,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:42,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:01:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:42,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:42,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:42,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:42,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:01:42,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:42,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:42,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:42,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:43,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968067652] [2020-10-27 23:01:43,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:43,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:01:43,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405432423] [2020-10-27 23:01:43,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:01:43,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:43,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:01:43,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:01:43,044 INFO L87 Difference]: Start difference. First operand 490 states and 661 transitions. Second operand 14 states. [2020-10-27 23:01:43,457 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:01:44,023 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:01:44,268 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:44,514 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:44,778 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:44,960 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:45,198 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:45,371 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:45,602 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:45,947 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:01:46,153 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:46,352 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:46,559 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:46,782 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:46,985 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:47,209 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:47,440 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:01:47,610 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:01:47,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:47,927 INFO L93 Difference]: Finished difference Result 1296 states and 1801 transitions. [2020-10-27 23:01:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:01:47,928 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:01:47,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:47,934 INFO L225 Difference]: With dead ends: 1296 [2020-10-27 23:01:47,935 INFO L226 Difference]: Without dead ends: 885 [2020-10-27 23:01:47,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:01:47,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-27 23:01:48,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 874. [2020-10-27 23:01:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-10-27 23:01:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1201 transitions. [2020-10-27 23:01:48,029 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1201 transitions. Word has length 149 [2020-10-27 23:01:48,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:48,030 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 1201 transitions. [2020-10-27 23:01:48,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:01:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1201 transitions. [2020-10-27 23:01:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:01:48,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:48,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:01:48,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 23:01:48,032 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:48,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:48,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1736208038, now seen corresponding path program 1 times [2020-10-27 23:01:48,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:48,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720837363] [2020-10-27 23:01:48,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:48,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:48,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:48,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:48,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:52,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:52,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:01:53,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:01:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 23:01:53,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 23:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 23:01:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,462 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:01:53,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:01:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:01:53,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:01:53,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:53,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:01:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:01:53,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 23:01:53,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 23:01:53,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:01:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:01:53,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:01:53,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:01:53,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:01:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:53,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:01:53,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:53,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:01:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:53,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:53,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:53,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:53,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:01:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:53,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:53,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:53,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:01:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:53,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:01:53,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:01:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:53,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:01:53,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:53,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:53,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:01:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:53,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:01:53,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:01:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:01:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:01:53,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:01:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:53,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:01:53,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:01:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:01:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:01:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:01:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:01:53,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:01:53,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:01:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:01:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:53,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:53,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:01:53,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:01:53,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:01:53,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:01:53,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:01:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:01:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:01:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:01:53,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:01:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:01:53,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720837363] [2020-10-27 23:01:53,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:01:53,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:01:53,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235127489] [2020-10-27 23:01:53,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:01:53,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:01:53,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:01:53,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:01:53,945 INFO L87 Difference]: Start difference. First operand 874 states and 1201 transitions. Second operand 14 states. [2020-10-27 23:01:54,363 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:01:54,978 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:01:55,238 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:55,507 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:55,755 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:55,956 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:56,222 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:56,422 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:56,618 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:56,995 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:01:57,209 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:57,432 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:57,666 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:57,901 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:58,120 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:01:58,380 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:01:58,561 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:01:58,788 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:01:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:01:59,259 INFO L93 Difference]: Finished difference Result 2432 states and 3397 transitions. [2020-10-27 23:01:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:01:59,259 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:01:59,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:01:59,269 INFO L225 Difference]: With dead ends: 2432 [2020-10-27 23:01:59,269 INFO L226 Difference]: Without dead ends: 1637 [2020-10-27 23:01:59,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:01:59,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-10-27 23:01:59,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1618. [2020-10-27 23:01:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1618 states. [2020-10-27 23:01:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 2241 transitions. [2020-10-27 23:01:59,439 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 2241 transitions. Word has length 149 [2020-10-27 23:01:59,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:01:59,439 INFO L481 AbstractCegarLoop]: Abstraction has 1618 states and 2241 transitions. [2020-10-27 23:01:59,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:01:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2241 transitions. [2020-10-27 23:01:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:01:59,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:01:59,441 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:01:59,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 23:01:59,441 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:01:59,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:01:59,442 INFO L82 PathProgramCache]: Analyzing trace with hash 990625308, now seen corresponding path program 1 times [2020-10-27 23:01:59,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:01:59,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096191131] [2020-10-27 23:01:59,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:01:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:01:59,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:59,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:59,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:01:59,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:02,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:02,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:03,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:04,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:04,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:02:04,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:02:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 23:02:04,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 23:02:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 23:02:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 23:02:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:04,931 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:02:04,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:02:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:04,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:04,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:04,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:02:04,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:04,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 23:02:04,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:04,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:04,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:04,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:04,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:04,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:02:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:04,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:02:05,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 23:02:05,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:05,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 23:02:05,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:02:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:02:05,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:05,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:02:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:02:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:05,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:02:05,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:05,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:02:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:05,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:02:05,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:05,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:05,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:05,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:02:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:05,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:02:05,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:05,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:02:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:05,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:02:05,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:05,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:05,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:05,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:02:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:05,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:02:05,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:05,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:02:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:05,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:02:05,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 23:02:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:05,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:02:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:05,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:05,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:05,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:05,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:05,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:02:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:05,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:02:05,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:02:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:05,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:05,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:05,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:02:05,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:05,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:05,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:05,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:05,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:02:05,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:05,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:02:05,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096191131] [2020-10-27 23:02:05,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:02:05,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-27 23:02:05,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82347563] [2020-10-27 23:02:05,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 23:02:05,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:02:05,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 23:02:05,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:02:05,537 INFO L87 Difference]: Start difference. First operand 1618 states and 2241 transitions. Second operand 20 states. [2020-10-27 23:02:05,945 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 23:02:06,500 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 23:02:07,093 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:07,665 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 23:02:07,858 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:02:08,130 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:02:08,411 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:02:08,693 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:02:08,907 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:02:09,807 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 218 [2020-10-27 23:02:09,988 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:02:10,153 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:02:10,636 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 23:02:10,856 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:02:11,014 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:02:11,512 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 23:02:11,671 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:02:11,837 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:02:12,349 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:02:12,517 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:12,766 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:02:12,967 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:13,354 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:02:13,542 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:02:13,713 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:02:14,507 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-27 23:02:14,930 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 23:02:15,086 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:02:15,261 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:02:15,653 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:16,026 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 23:02:16,236 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:16,392 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:02:17,394 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:02:17,554 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-27 23:02:17,704 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:02:18,129 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:18,285 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:02:18,433 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:18,848 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:19,022 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:02:19,170 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:19,595 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:19,762 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:02:19,905 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:20,329 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:20,487 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:02:20,636 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:21,064 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:02:21,259 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:02:21,642 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 23:02:22,036 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:22,208 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:22,380 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:22,547 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:02:22,694 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:02:22,849 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:02:23,251 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:23,394 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:02:23,570 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:24,186 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 23:02:24,589 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:24,757 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:02:25,019 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:02:25,226 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:02:25,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:02:25,313 INFO L93 Difference]: Finished difference Result 7070 states and 9889 transitions. [2020-10-27 23:02:25,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-10-27 23:02:25,318 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 149 [2020-10-27 23:02:25,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:02:25,348 INFO L225 Difference]: With dead ends: 7070 [2020-10-27 23:02:25,348 INFO L226 Difference]: Without dead ends: 5531 [2020-10-27 23:02:25,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2511 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=1595, Invalid=6237, Unknown=0, NotChecked=0, Total=7832 [2020-10-27 23:02:25,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5531 states. [2020-10-27 23:02:25,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5531 to 5362. [2020-10-27 23:02:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5362 states. [2020-10-27 23:02:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5362 states to 5362 states and 7505 transitions. [2020-10-27 23:02:25,949 INFO L78 Accepts]: Start accepts. Automaton has 5362 states and 7505 transitions. Word has length 149 [2020-10-27 23:02:25,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:02:25,949 INFO L481 AbstractCegarLoop]: Abstraction has 5362 states and 7505 transitions. [2020-10-27 23:02:25,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 23:02:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5362 states and 7505 transitions. [2020-10-27 23:02:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:02:25,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:02:25,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:02:25,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 23:02:25,952 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:02:25,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:02:25,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1715994086, now seen corresponding path program 1 times [2020-10-27 23:02:25,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:02:25,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484339727] [2020-10-27 23:02:25,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:02:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:26,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:26,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:26,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:02:31,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:02:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 23:02:31,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 23:02:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 23:02:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,383 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:02:31,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:02:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:02:31,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:02:31,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:31,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:31,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:31,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:02:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:02:31,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 23:02:31,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 23:02:31,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:02:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:02:31,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:31,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:02:31,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:02:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:31,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:02:31,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:02:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:31,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:02:31,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:31,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:02:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:31,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:02:31,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:31,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:31,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:31,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:02:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:31,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:02:31,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:02:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:31,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:02:31,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:31,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:02:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:31,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:31,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:02:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:31,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:31,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:02:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:31,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:31,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:31,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:02:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:31,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:31,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:31,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:02:31,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:31,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:31,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:31,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:02:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:31,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:02:31,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484339727] [2020-10-27 23:02:31,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:02:31,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:02:31,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464456284] [2020-10-27 23:02:31,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:02:31,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:02:31,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:02:31,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:02:31,912 INFO L87 Difference]: Start difference. First operand 5362 states and 7505 transitions. Second operand 14 states. [2020-10-27 23:02:32,315 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:32,910 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:02:33,172 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:33,432 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:33,701 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:33,898 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:34,097 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:34,292 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:34,537 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:34,950 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:02:35,186 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:35,423 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:35,650 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:35,927 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:02:36,100 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:02:36,326 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:36,617 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:36,929 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:02:37,965 INFO L93 Difference]: Finished difference Result 15720 states and 22045 transitions. [2020-10-27 23:02:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:02:37,966 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:02:37,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:02:38,027 INFO L225 Difference]: With dead ends: 15720 [2020-10-27 23:02:38,027 INFO L226 Difference]: Without dead ends: 10437 [2020-10-27 23:02:38,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:02:38,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10437 states. [2020-10-27 23:02:39,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10437 to 10330. [2020-10-27 23:02:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10330 states. [2020-10-27 23:02:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10330 states to 10330 states and 14409 transitions. [2020-10-27 23:02:39,231 INFO L78 Accepts]: Start accepts. Automaton has 10330 states and 14409 transitions. Word has length 149 [2020-10-27 23:02:39,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:02:39,232 INFO L481 AbstractCegarLoop]: Abstraction has 10330 states and 14409 transitions. [2020-10-27 23:02:39,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:02:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 10330 states and 14409 transitions. [2020-10-27 23:02:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:02:39,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:02:39,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:02:39,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 23:02:39,235 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:02:39,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:02:39,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1477178608, now seen corresponding path program 1 times [2020-10-27 23:02:39,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:02:39,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239030545] [2020-10-27 23:02:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:02:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:39,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:39,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:39,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:39,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:02:44,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:02:44,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 23:02:44,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:44,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 23:02:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 23:02:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,651 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:02:44,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:02:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:02:44,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:02:44,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:44,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:02:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:02:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:02:44,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 23:02:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:02:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:02:44,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:02:44,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:02:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:02:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:44,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:02:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:44,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:02:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:02:44,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:44,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:02:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:44,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:02:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:44,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:02:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:44,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:44,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:44,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:02:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:44,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:44,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:44,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:44,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:44,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:44,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:44,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:44,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:45,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:02:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:45,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:45,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:45,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:45,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:45,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:45,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:45,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:02:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:45,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:45,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:02:45,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239030545] [2020-10-27 23:02:45,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:02:45,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:02:45,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823178411] [2020-10-27 23:02:45,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:02:45,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:02:45,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:02:45,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:02:45,068 INFO L87 Difference]: Start difference. First operand 10330 states and 14409 transitions. Second operand 14 states. [2020-10-27 23:02:45,472 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:02:46,064 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:02:46,325 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:46,585 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:46,781 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:46,978 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:47,173 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:47,418 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:47,615 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:47,989 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:02:48,200 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:02:48,438 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:02:48,612 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:02:48,830 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:49,118 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:49,408 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:49,708 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:50,028 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:02:51,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:02:51,790 INFO L93 Difference]: Finished difference Result 30416 states and 42445 transitions. [2020-10-27 23:02:51,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:02:51,791 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:02:51,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:02:51,895 INFO L225 Difference]: With dead ends: 30416 [2020-10-27 23:02:51,895 INFO L226 Difference]: Without dead ends: 20165 [2020-10-27 23:02:51,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:02:51,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20165 states. [2020-10-27 23:02:54,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20165 to 19954. [2020-10-27 23:02:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19954 states. [2020-10-27 23:02:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19954 states to 19954 states and 27697 transitions. [2020-10-27 23:02:54,146 INFO L78 Accepts]: Start accepts. Automaton has 19954 states and 27697 transitions. Word has length 149 [2020-10-27 23:02:54,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:02:54,147 INFO L481 AbstractCegarLoop]: Abstraction has 19954 states and 27697 transitions. [2020-10-27 23:02:54,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:02:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 19954 states and 27697 transitions. [2020-10-27 23:02:54,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:02:54,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:02:54,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:02:54,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 23:02:54,150 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:02:54,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:02:54,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1364864390, now seen corresponding path program 1 times [2020-10-27 23:02:54,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:02:54,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633860582] [2020-10-27 23:02:54,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:02:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:54,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:54,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:54,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:02:59,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:02:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 23:02:59,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 23:02:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 23:02:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,613 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:02:59,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:02:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:02:59,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:02:59,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:59,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:59,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:02:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:02:59,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:02:59,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:02:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:02:59,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:02:59,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:02:59,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:02:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:02:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:02:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:59,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:02:59,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:02:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:02:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:02:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:02:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:59,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:59,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:02:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:59,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:02:59,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:02:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:59,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:59,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:59,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:59,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:59,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:02:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:02:59,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:02:59,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:02:59,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:02:59,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:02:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:02:59,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:02:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:02:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:02:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:02:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:02:59,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:02:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:00,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:00,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:00,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:00,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:00,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:03:00,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:03:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:03:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:03:00,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:00,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:03:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:00,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:00,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:00,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:00,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:00,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:03:00,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:00,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:03:00,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:03:00,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:03:00,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:00,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:03:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:00,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:00,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:00,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:03:00,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:03:00,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:03:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:03:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:03:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:03:00,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633860582] [2020-10-27 23:03:00,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:03:00,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:03:00,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467954378] [2020-10-27 23:03:00,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:03:00,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:03:00,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:03:00,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:03:00,100 INFO L87 Difference]: Start difference. First operand 19954 states and 27697 transitions. Second operand 14 states. [2020-10-27 23:03:00,542 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:03:01,160 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:03:01,397 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:01,583 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:01,765 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:01,947 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:02,129 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:02,312 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:02,500 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:02,839 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:03:03,088 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:03:03,264 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:03:03,475 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:03,734 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:04,004 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:04,272 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:04,557 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:04,887 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:07,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:03:07,290 INFO L93 Difference]: Finished difference Result 58872 states and 81685 transitions. [2020-10-27 23:03:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 23:03:07,291 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 149 [2020-10-27 23:03:07,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:03:07,434 INFO L225 Difference]: With dead ends: 58872 [2020-10-27 23:03:07,435 INFO L226 Difference]: Without dead ends: 38997 [2020-10-27 23:03:07,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2020-10-27 23:03:07,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38997 states. [2020-10-27 23:03:10,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38997 to 38578. [2020-10-27 23:03:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38578 states. [2020-10-27 23:03:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38578 states to 38578 states and 53233 transitions. [2020-10-27 23:03:11,020 INFO L78 Accepts]: Start accepts. Automaton has 38578 states and 53233 transitions. Word has length 149 [2020-10-27 23:03:11,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:03:11,020 INFO L481 AbstractCegarLoop]: Abstraction has 38578 states and 53233 transitions. [2020-10-27 23:03:11,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:03:11,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38578 states and 53233 transitions. [2020-10-27 23:03:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 23:03:11,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:03:11,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:03:11,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 23:03:11,022 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:03:11,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:03:11,023 INFO L82 PathProgramCache]: Analyzing trace with hash 854882896, now seen corresponding path program 1 times [2020-10-27 23:03:11,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:03:11,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990421968] [2020-10-27 23:03:11,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:03:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:11,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:11,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:16,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:16,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:03:16,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:03:16,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 23:03:16,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:16,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 23:03:16,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 23:03:16,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 23:03:16,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:16,508 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 23:03:16,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:03:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:16,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:16,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:16,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:03:16,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:03:16,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:03:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:03:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:03:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:16,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:03:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:16,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:16,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:16,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 23:03:16,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 23:03:16,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 23:03:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:03:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 23:03:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:16,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:03:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:16,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:16,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:16,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:03:16,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:16,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:03:16,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:16,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:03:16,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:03:16,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:03:16,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:16,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:03:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:16,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:16,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:16,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:16,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:16,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:03:16,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:16,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:16,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:16,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:16,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:03:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:16,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:16,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:16,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:16,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:16,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:03:16,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:16,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:03:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:16,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:16,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:16,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:16,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:16,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:03:16,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:16,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:17,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:03:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:17,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:17,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:17,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:17,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:17,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:03:17,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:17,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:17,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:03:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:17,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:17,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:17,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:17,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:17,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:03:17,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:17,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:17,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:03:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:17,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:17,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:17,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:17,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:03:17,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:17,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:03:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:17,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:17,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:17,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:17,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:03:17,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:17,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:03:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:17,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:17,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:17,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:03:17,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:17,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:03:17,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:03:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:03:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:03:17,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:03:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:03:17,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:03:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:03:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:03:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:03:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:03:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:03:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:03:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 23:03:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:03:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:03:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:03:17,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990421968] [2020-10-27 23:03:17,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:03:17,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2020-10-27 23:03:17,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382245826] [2020-10-27 23:03:17,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 23:03:17,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:03:17,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 23:03:17,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=745, Unknown=0, NotChecked=0, Total=870 [2020-10-27 23:03:17,486 INFO L87 Difference]: Start difference. First operand 38578 states and 53233 transitions. Second operand 30 states. [2020-10-27 23:03:17,960 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 23:03:18,390 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 23:03:18,800 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 23:03:19,217 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 23:03:19,643 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 23:03:20,080 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 23:03:20,615 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 23:03:21,072 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 23:03:21,520 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:21,728 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 23:03:22,004 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:22,240 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:22,471 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:22,704 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:22,933 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:23,166 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:23,391 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:23,631 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:23,858 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:24,097 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:24,329 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:24,562 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:24,788 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:25,026 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:25,510 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 23:03:26,181 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:26,401 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:26,719 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:26,886 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:27,153 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:27,472 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:27,659 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:27,903 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:28,223 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:28,387 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:28,757 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:28,929 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:29,107 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:29,287 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:29,636 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:29,801 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:29,966 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:30,390 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:30,585 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:30,778 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:30,966 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:31,144 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:31,513 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:31,685 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:31,850 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:32,023 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:32,697 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:32,898 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:33,101 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:33,301 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:33,505 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:33,703 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:34,107 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:34,283 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:34,451 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:34,622 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:34,799 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:35,767 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:35,966 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:36,167 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:36,359 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:36,545 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:36,772 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:36,993 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:37,464 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:37,653 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:37,835 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:38,016 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:38,197 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:38,388 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:39,383 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:39,594 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:03:39,804 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:40,000 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:40,192 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:40,376 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:40,622 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:40,821 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:41,421 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:41,606 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:41,793 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:41,971 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:42,146 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:42,323 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:42,503 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 23:03:44,402 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 23:03:44,852 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 23:03:45,303 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 23:03:45,892 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 23:03:46,333 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 23:03:46,762 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 23:03:47,194 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 23:03:53,134 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:03:53,355 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:53,572 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:03:53,787 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:54,000 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:54,217 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:54,458 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:55,280 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:03:55,509 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:03:55,730 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:03:55,938 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:03:56,127 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 23:03:56,324 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 23:03:56,511 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 23:03:57,056 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 23:03:58,709 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:03:58,921 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:03:59,131 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:03:59,341 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:03:59,554 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:03:59,778 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:00,721 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:00,942 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:01,151 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:01,356 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:01,563 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:01,762 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:01,966 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:02,296 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:02,895 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 23:04:04,544 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:04,760 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:04,976 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:05,189 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:05,401 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:05,644 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:07,105 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:07,327 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:07,541 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:07,749 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:07,955 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:08,158 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:08,424 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:08,799 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 23:04:10,737 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:10,951 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:11,164 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:11,377 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:11,598 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:11,938 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:13,231 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:13,453 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:13,667 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:13,874 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:14,079 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:14,350 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:14,704 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:16,643 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:16,850 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:17,057 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:17,284 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:17,579 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:17,956 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:19,345 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:19,560 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:19,770 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:19,972 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 23:04:20,256 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:20,585 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:22,512 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:22,727 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:22,951 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:23,212 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:23,503 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:23,875 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:25,656 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:25,874 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:26,080 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:26,451 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:26,775 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:29,451 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:04:29,670 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:04:29,902 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:30,152 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 23:04:30,456 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 23:04:30,891 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 23:04:33,080 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 23:04:33,314 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 23:04:33,720 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 120