/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.11.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:40:27,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:40:27,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:40:27,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:40:27,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:40:27,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:40:27,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:40:27,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:40:27,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:40:27,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:40:27,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:40:27,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:40:27,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:40:27,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:40:27,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:40:27,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:40:27,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:40:27,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:40:27,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:40:27,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:40:27,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:40:27,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:40:27,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:40:27,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:40:27,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:40:27,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:40:27,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:40:27,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:40:27,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:40:27,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:40:27,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:40:27,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:40:27,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:40:27,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:40:27,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:40:27,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:40:27,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:40:27,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:40:27,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:40:27,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:40:27,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:40:27,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 14:40:27,680 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:40:27,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:40:27,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:40:27,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:40:27,685 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:40:27,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:40:27,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:40:27,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:40:27,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:40:27,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:40:27,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:40:27,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:40:27,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:40:27,688 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:40:27,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:40:27,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:40:27,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:40:27,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:40:27,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:40:27,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:40:27,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:40:27,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:40:27,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:40:27,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:40:27,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:40:27,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:40:27,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:40:27,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:40:27,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:40:27,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:40:28,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:40:28,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:40:28,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:40:28,141 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:40:28,148 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:40:28,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-29 14:40:28,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d90cf30ff/459b1c94f2be41d8982145d6806231aa/FLAGef007c139 [2020-10-29 14:40:29,042 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:40:29,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-29 14:40:29,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d90cf30ff/459b1c94f2be41d8982145d6806231aa/FLAGef007c139 [2020-10-29 14:40:29,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d90cf30ff/459b1c94f2be41d8982145d6806231aa [2020-10-29 14:40:29,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:40:29,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:40:29,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:40:29,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:40:29,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:40:29,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:29,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5842c752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29, skipping insertion in model container [2020-10-29 14:40:29,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:29,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:40:29,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:40:29,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:40:29,789 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:40:29,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:40:29,942 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:40:29,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29 WrapperNode [2020-10-29 14:40:29,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:40:29,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:40:29,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:40:29,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:40:29,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:29,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:29,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:29,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:30,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:30,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:30,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (1/1) ... [2020-10-29 14:40:30,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:40:30,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:40:30,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:40:30,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:40:30,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:40:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:40:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:40:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:40:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-29 14:40:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-29 14:40:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-29 14:40:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-29 14:40:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-29 14:40:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-29 14:40:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-29 14:40:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-29 14:40:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-29 14:40:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-29 14:40:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-29 14:40:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-29 14:40:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-29 14:40:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-29 14:40:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-29 14:40:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-29 14:40:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-29 14:40:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-29 14:40:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-29 14:40:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-29 14:40:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-29 14:40:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-29 14:40:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-29 14:40:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-29 14:40:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-29 14:40:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-29 14:40:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-29 14:40:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-29 14:40:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-29 14:40:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-29 14:40:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-29 14:40:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-29 14:40:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-29 14:40:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-29 14:40:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-29 14:40:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-29 14:40:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-29 14:40:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-29 14:40:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:40:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:40:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:40:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:40:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:40:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-29 14:40:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-29 14:40:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-29 14:40:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-29 14:40:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-29 14:40:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-29 14:40:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-29 14:40:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-29 14:40:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-29 14:40:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-29 14:40:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-29 14:40:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-29 14:40:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-29 14:40:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-29 14:40:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:40:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-29 14:40:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-29 14:40:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-29 14:40:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-29 14:40:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-29 14:40:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-29 14:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-29 14:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-29 14:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-29 14:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-29 14:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-29 14:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-29 14:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-29 14:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-29 14:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-29 14:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-29 14:40:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-29 14:40:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-29 14:40:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-29 14:40:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-29 14:40:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-29 14:40:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-29 14:40:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-29 14:40:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-29 14:40:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:40:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:40:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:40:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:40:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:40:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:40:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:40:31,802 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:40:31,802 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-29 14:40:31,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:40:31 BoogieIcfgContainer [2020-10-29 14:40:31,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:40:31,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:40:31,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:40:31,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:40:31,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:40:29" (1/3) ... [2020-10-29 14:40:31,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c9b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:40:31, skipping insertion in model container [2020-10-29 14:40:31,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:40:29" (2/3) ... [2020-10-29 14:40:31,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c9b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:40:31, skipping insertion in model container [2020-10-29 14:40:31,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:40:31" (3/3) ... [2020-10-29 14:40:31,815 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.11.cil-2.c [2020-10-29 14:40:31,827 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:40:31,833 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:40:31,847 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:40:31,880 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:40:31,880 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:40:31,880 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:40:31,880 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:40:31,881 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:40:31,881 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:40:31,881 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:40:31,881 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:40:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states. [2020-10-29 14:40:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 14:40:31,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:40:31,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:40:31,939 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:40:31,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:40:31,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1940037805, now seen corresponding path program 1 times [2020-10-29 14:40:31,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:40:31,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [615528391] [2020-10-29 14:40:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:40:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:32,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:32,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:32,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:33,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:33,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:34,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:35,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:36,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:37,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:37,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 14:40:37,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-29 14:40:37,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 14:40:37,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:37,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:40:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:40:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-29 14:40:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 14:40:37,907 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 14:40:37,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:40:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:37,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:37,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:37,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:37,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:37,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 14:40:37,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:37,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:40:37,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:38,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:40:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:38,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:40:38,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:40:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:40:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:40:38,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:38,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:40:38,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:40:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:40:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:40:38,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 14:40:38,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:40:38,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:38,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 14:40:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:40:38,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 14:40:38,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 14:40:38,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:40:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 14:40:38,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:40:38,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-29 14:40:38,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-29 14:40:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 14:40:38,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:38,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:40:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:40:38,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:40:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:40:38,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:40:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:38,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 14:40:38,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:40:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:38,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:38,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:40:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:38,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:40:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:38,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:40:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:38,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:40:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:38,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:40:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:40:38,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:40:38,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:40:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:40:38,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:38,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:38,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:40:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:40:38,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 14:40:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:38,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:40:38,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:38,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:38,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:38,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 14:40:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:40:38,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:40:38,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 14:40:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:38,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 14:40:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:38,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:38,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:40:38,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:38,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:40:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:40:39,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [615528391] [2020-10-29 14:40:39,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:40:39,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:40:39,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501356023] [2020-10-29 14:40:39,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:40:39,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:40:39,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:40:39,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:40:39,111 INFO L87 Difference]: Start difference. First operand 448 states. Second operand 8 states. [2020-10-29 14:40:39,637 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:40:39,833 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:40:40,081 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:40:44,886 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:40:45,751 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:40:57,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:40:57,386 INFO L93 Difference]: Finished difference Result 1827 states and 3055 transitions. [2020-10-29 14:40:57,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:40:57,389 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-29 14:40:57,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:40:57,422 INFO L225 Difference]: With dead ends: 1827 [2020-10-29 14:40:57,422 INFO L226 Difference]: Without dead ends: 1385 [2020-10-29 14:40:57,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-10-29 14:40:57,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-10-29 14:40:57,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 862. [2020-10-29 14:40:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-29 14:40:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1273 transitions. [2020-10-29 14:40:57,727 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1273 transitions. Word has length 218 [2020-10-29 14:40:57,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:40:57,728 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 1273 transitions. [2020-10-29 14:40:57,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:40:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1273 transitions. [2020-10-29 14:40:57,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 14:40:57,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:40:57,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:40:57,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:40:57,736 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:40:57,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:40:57,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1137742868, now seen corresponding path program 1 times [2020-10-29 14:40:57,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:40:57,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190522240] [2020-10-29 14:40:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:40:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:57,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:57,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:57,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:58,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:58,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:58,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:58,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:59,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:59,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:59,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:59,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:01,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:01,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:01,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:01,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:02,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 14:41:02,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-29 14:41:02,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-29 14:41:02,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:02,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:41:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:41:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 14:41:02,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-29 14:41:03,300 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 14:41:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:41:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:03,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:03,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:03,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:03,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 14:41:03,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:03,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:03,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:03,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:03,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:41:03,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:03,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:41:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:03,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:03,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:03,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:03,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:41:03,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:03,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:03,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:03,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:03,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:41:03,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:03,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:41:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:03,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:03,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:41:03,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:03,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:03,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:03,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:41:03,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:03,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:41:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:03,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:03,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:41:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:41:03,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:03,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:41:03,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:03,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 14:41:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:03,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:03,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:41:03,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 14:41:03,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:03,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 14:41:03,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:03,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:41:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:03,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 14:41:04,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:41:04,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-10-29 14:41:04,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 14:41:04,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 14:41:04,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:41:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:04,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:41:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:41:04,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:04,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:04,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:41:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:04,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:04,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:41:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:04,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:04,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:41:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:04,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:41:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:41:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:41:04,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:04,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:41:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:41:04,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:04,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:41:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:41:04,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:41:04,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:41:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:04,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:41:04,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:41:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:41:04,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:04,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:41:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:04,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:04,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 14:41:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:04,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:04,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 14:41:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:41:04,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:41:04,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 14:41:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:04,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 14:41:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:04,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:04,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:04,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:41:04,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:04,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:04,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:04,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:04,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:04,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:41:04,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:04,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:41:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:41:04,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190522240] [2020-10-29 14:41:04,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:41:04,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:41:04,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152680552] [2020-10-29 14:41:04,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:41:04,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:41:04,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:41:04,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:41:04,858 INFO L87 Difference]: Start difference. First operand 862 states and 1273 transitions. Second operand 8 states. [2020-10-29 14:41:05,341 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:41:05,500 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:41:05,702 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:41:09,428 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:41:10,387 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:41:22,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:41:22,144 INFO L93 Difference]: Finished difference Result 3529 states and 5561 transitions. [2020-10-29 14:41:22,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:41:22,145 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-29 14:41:22,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:41:22,171 INFO L225 Difference]: With dead ends: 3529 [2020-10-29 14:41:22,171 INFO L226 Difference]: Without dead ends: 2697 [2020-10-29 14:41:22,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:41:22,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2020-10-29 14:41:22,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1709. [2020-10-29 14:41:22,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1709 states. [2020-10-29 14:41:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2535 transitions. [2020-10-29 14:41:22,557 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2535 transitions. Word has length 218 [2020-10-29 14:41:22,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:41:22,558 INFO L481 AbstractCegarLoop]: Abstraction has 1709 states and 2535 transitions. [2020-10-29 14:41:22,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:41:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2535 transitions. [2020-10-29 14:41:22,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 14:41:22,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:41:22,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:41:22,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 14:41:22,566 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:41:22,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:41:22,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1715485781, now seen corresponding path program 1 times [2020-10-29 14:41:22,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:41:22,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875995770] [2020-10-29 14:41:22,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:41:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:22,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:22,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:22,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:22,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:22,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:23,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:23,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:23,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:24,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:25,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:26,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:26,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:27,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:27,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 14:41:27,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-29 14:41:27,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-29 14:41:27,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:27,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:41:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:41:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 14:41:27,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:28,096 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 14:41:28,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:41:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:28,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:28,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:28,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:28,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:28,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 14:41:28,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:28,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:41:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:41:28,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:41:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:28,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:28,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:28,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:28,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:28,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:41:28,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:28,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:41:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:28,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:41:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:28,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:28,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:28,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:41:28,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:28,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:28,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:28,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:41:28,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:28,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:41:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:28,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:28,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:28,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:41:28,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:28,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:41:28,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:28,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:41:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:41:28,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 14:41:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:28,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:28,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:28,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:41:28,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:28,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:41:28,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:28,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 14:41:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:28,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:41:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:28,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:28,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:28,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:28,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 14:41:32,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:41:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3781 [2020-10-29 14:41:32,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 14:41:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 14:41:32,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:41:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:32,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:32,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:32,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:41:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:41:32,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:41:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:41:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:41:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:41:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:41:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:41:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:41:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:41:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:41:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 14:41:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:32,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:32,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:32,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 14:41:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:41:32,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:41:32,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 14:41:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:32,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 14:41:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:41:32,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:32,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:32,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:41:32,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:32,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:41:32,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875995770] [2020-10-29 14:41:32,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:41:32,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:41:32,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454741155] [2020-10-29 14:41:32,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:41:32,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:41:32,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:41:32,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:41:32,497 INFO L87 Difference]: Start difference. First operand 1709 states and 2535 transitions. Second operand 8 states. [2020-10-29 14:41:33,067 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:41:33,224 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:41:33,443 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:41:36,430 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:41:37,304 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:41:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:41:47,243 INFO L93 Difference]: Finished difference Result 6968 states and 11042 transitions. [2020-10-29 14:41:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:41:47,245 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-29 14:41:47,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:41:47,282 INFO L225 Difference]: With dead ends: 6968 [2020-10-29 14:41:47,283 INFO L226 Difference]: Without dead ends: 5289 [2020-10-29 14:41:47,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:41:47,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5289 states. [2020-10-29 14:41:47,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5289 to 3393. [2020-10-29 14:41:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3393 states. [2020-10-29 14:41:47,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 5045 transitions. [2020-10-29 14:41:47,967 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 5045 transitions. Word has length 218 [2020-10-29 14:41:47,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:41:47,968 INFO L481 AbstractCegarLoop]: Abstraction has 3393 states and 5045 transitions. [2020-10-29 14:41:47,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:41:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 5045 transitions. [2020-10-29 14:41:47,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 14:41:47,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:41:47,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:41:47,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 14:41:47,972 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:41:47,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:41:47,972 INFO L82 PathProgramCache]: Analyzing trace with hash -2007338124, now seen corresponding path program 1 times [2020-10-29 14:41:47,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:41:47,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467815533] [2020-10-29 14:41:47,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:41:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:48,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:48,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:48,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:48,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:48,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:48,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:50,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:50,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:51,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:52,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:53,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 14:41:53,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-29 14:41:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-29 14:41:53,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:53,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:41:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:41:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 14:41:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:53,418 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 14:41:53,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:41:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:53,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:53,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:53,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:53,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 14:41:53,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:53,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:41:53,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:53,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:41:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:53,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:53,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:53,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:53,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:41:53,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:53,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:53,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:53,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:53,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:41:53,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:53,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:41:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:53,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:53,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:41:53,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:53,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:53,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:53,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:53,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:53,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:53,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:41:53,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:53,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:41:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:53,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:41:53,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:53,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:41:53,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:53,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:53,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:53,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:41:53,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:53,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 14:41:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:53,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:53,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:41:53,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:53,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:41:53,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:53,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 14:41:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:53,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:41:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:53,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:53,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:54,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 14:41:58,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:41:58,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:41:58,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-29 14:41:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 14:41:58,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:41:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:58,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:41:58,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:41:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:58,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:41:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:41:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:58,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:41:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:58,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:58,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:41:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:58,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:41:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:41:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:41:58,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:58,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:41:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:58,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:58,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:41:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:58,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:41:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:58,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:58,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:41:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:58,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:58,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 14:41:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:58,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:41:58,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:58,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 14:41:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:41:58,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:41:58,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 14:41:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 14:41:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:58,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:58,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:58,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:41:58,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:58,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:58,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:58,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:41:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:58,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:41:58,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467815533] [2020-10-29 14:41:58,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:41:58,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:41:58,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294395222] [2020-10-29 14:41:58,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:41:58,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:41:58,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:41:58,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:41:58,914 INFO L87 Difference]: Start difference. First operand 3393 states and 5045 transitions. Second operand 8 states. [2020-10-29 14:41:59,314 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:41:59,466 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:41:59,686 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:42:03,620 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:42:04,603 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:42:16,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:42:16,467 INFO L93 Difference]: Finished difference Result 13772 states and 21988 transitions. [2020-10-29 14:42:16,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:42:16,468 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-29 14:42:16,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:42:16,534 INFO L225 Difference]: With dead ends: 13772 [2020-10-29 14:42:16,535 INFO L226 Difference]: Without dead ends: 10409 [2020-10-29 14:42:16,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:42:16,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10409 states. [2020-10-29 14:42:17,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10409 to 6741. [2020-10-29 14:42:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6741 states. [2020-10-29 14:42:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6741 states to 6741 states and 10043 transitions. [2020-10-29 14:42:17,981 INFO L78 Accepts]: Start accepts. Automaton has 6741 states and 10043 transitions. Word has length 218 [2020-10-29 14:42:17,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:42:17,984 INFO L481 AbstractCegarLoop]: Abstraction has 6741 states and 10043 transitions. [2020-10-29 14:42:17,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:42:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 6741 states and 10043 transitions. [2020-10-29 14:42:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 14:42:17,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:42:17,988 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:42:17,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 14:42:17,988 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:42:17,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:42:17,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1004712429, now seen corresponding path program 1 times [2020-10-29 14:42:17,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:42:17,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11437891] [2020-10-29 14:42:17,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:42:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:18,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:18,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:18,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:18,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:18,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:18,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:23,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 14:42:23,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:42:23,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 14:42:23,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:23,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:23,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:42:23,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:42:23,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 14:42:23,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:23,433 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 14:42:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:42:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:23,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:23,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:42:23,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 14:42:23,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:23,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:42:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:42:23,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:23,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:42:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:23,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:42:23,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:23,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:42:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:23,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:42:23,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:23,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:42:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:23,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:23,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:42:23,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:42:23,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:23,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:42:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:42:23,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:23,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 14:42:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:23,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:23,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:42:23,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:23,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 14:42:23,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:23,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:23,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:42:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:42:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 14:42:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:42:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:23,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:23,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:26,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 14:42:28,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:42:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 14:42:28,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:42:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-29 14:42:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:42:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:42:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:42:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:28,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:42:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:28,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:42:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:42:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:42:28,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:42:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:42:28,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:42:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:42:28,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:42:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:42:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:42:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:42:28,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:42:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:42:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:42:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:42:28,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:42:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:42:28,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:42:28,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 14:42:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:28,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:42:28,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 14:42:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:42:28,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:42:28,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 14:42:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:28,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 14:42:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:28,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:28,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:28,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:42:28,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:28,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:28,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:28,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:42:28,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:28,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:42:29,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11437891] [2020-10-29 14:42:29,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:42:29,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 14:42:29,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531705346] [2020-10-29 14:42:29,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:42:29,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:42:29,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:42:29,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:42:29,051 INFO L87 Difference]: Start difference. First operand 6741 states and 10043 transitions. Second operand 12 states. [2020-10-29 14:42:29,461 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:42:29,637 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 14:42:29,909 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 14:42:32,289 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 14:42:32,738 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-29 14:42:32,933 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:42:33,395 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 14:42:33,578 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:42:34,035 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 14:42:43,253 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 14:42:43,970 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-29 14:42:44,393 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-29 14:42:44,905 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-29 14:42:45,082 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-29 14:42:45,482 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-29 14:42:45,636 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-29 14:42:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:42:53,559 INFO L93 Difference]: Finished difference Result 27537 states and 44316 transitions. [2020-10-29 14:42:53,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 14:42:53,559 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 218 [2020-10-29 14:42:53,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:42:53,666 INFO L225 Difference]: With dead ends: 27537 [2020-10-29 14:42:53,666 INFO L226 Difference]: Without dead ends: 20825 [2020-10-29 14:42:53,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-29 14:42:53,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20825 states. [2020-10-29 14:42:56,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20825 to 13815. [2020-10-29 14:42:56,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13815 states. [2020-10-29 14:42:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13815 states to 13815 states and 20709 transitions. [2020-10-29 14:42:56,222 INFO L78 Accepts]: Start accepts. Automaton has 13815 states and 20709 transitions. Word has length 218 [2020-10-29 14:42:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:42:56,223 INFO L481 AbstractCegarLoop]: Abstraction has 13815 states and 20709 transitions. [2020-10-29 14:42:56,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:42:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 13815 states and 20709 transitions. [2020-10-29 14:42:56,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 14:42:56,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:42:56,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:42:56,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 14:42:56,227 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:42:56,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:42:56,227 INFO L82 PathProgramCache]: Analyzing trace with hash -528664875, now seen corresponding path program 1 times [2020-10-29 14:42:56,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:42:56,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697340829] [2020-10-29 14:42:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:42:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:56,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:56,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:56,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:56,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:56,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:56,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:59,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:01,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 14:43:01,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-29 14:43:01,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 14:43:01,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:01,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:01,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:43:01,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:43:01,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 14:43:01,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:01,685 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 14:43:01,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:43:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:01,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:01,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:43:01,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:01,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 14:43:01,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:01,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:43:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:01,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:43:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:01,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:01,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:43:01,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:01,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:43:01,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:01,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:01,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:43:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:43:01,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:43:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:01,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:01,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:43:01,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:01,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:01,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:01,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:01,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:43:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 14:43:01,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:43:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:01,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:43:01,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:01,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:43:01,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:01,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:01,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:01,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:01,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:43:01,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 14:43:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:01,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 14:43:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:43:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:01,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:01,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:06,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:06,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 14:43:06,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:43:06,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:43:06,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:06,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-29 14:43:06,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 14:43:06,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:06,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:43:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:06,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:06,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:06,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:06,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:06,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:06,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:06,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:06,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:43:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:06,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:06,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:06,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:06,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:06,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:06,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:06,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:06,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:06,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:43:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:06,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:06,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:06,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:06,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:06,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:06,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:06,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:43:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:06,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:06,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:06,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:06,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:43:06,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:06,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:06,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:06,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:43:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:06,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:06,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:06,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:06,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:06,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:06,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:06,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:06,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:43:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:07,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:07,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:43:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:07,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:43:07,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:43:07,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:43:07,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:43:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:07,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:43:07,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:43:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:43:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:07,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:07,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:43:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:43:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:07,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:43:07,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:43:07,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:43:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:07,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:43:07,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:43:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 14:43:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:07,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:43:07,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:43:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 14:43:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:43:07,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:43:07,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 14:43:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:07,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 14:43:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:07,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:07,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:07,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:43:07,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:07,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:07,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:43:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:43:07,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697340829] [2020-10-29 14:43:07,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:43:07,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:43:07,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57984790] [2020-10-29 14:43:07,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:43:07,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:43:07,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:43:07,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:43:07,163 INFO L87 Difference]: Start difference. First operand 13815 states and 20709 transitions. Second operand 8 states. [2020-10-29 14:43:07,579 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:43:07,731 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:43:07,938 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:43:11,619 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:43:12,459 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:43:28,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:43:28,885 INFO L93 Difference]: Finished difference Result 53378 states and 85040 transitions. [2020-10-29 14:43:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:43:28,886 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-29 14:43:28,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:43:29,073 INFO L225 Difference]: With dead ends: 53378 [2020-10-29 14:43:29,073 INFO L226 Difference]: Without dead ends: 39593 [2020-10-29 14:43:29,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:43:29,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39593 states. [2020-10-29 14:43:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39593 to 27495. [2020-10-29 14:43:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27495 states. [2020-10-29 14:43:33,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27495 states to 27495 states and 41321 transitions. [2020-10-29 14:43:33,704 INFO L78 Accepts]: Start accepts. Automaton has 27495 states and 41321 transitions. Word has length 218 [2020-10-29 14:43:33,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:43:33,705 INFO L481 AbstractCegarLoop]: Abstraction has 27495 states and 41321 transitions. [2020-10-29 14:43:33,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:43:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27495 states and 41321 transitions. [2020-10-29 14:43:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 14:43:33,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:43:33,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:43:33,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 14:43:33,707 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:43:33,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:43:33,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1786715478, now seen corresponding path program 1 times [2020-10-29 14:43:33,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:43:33,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851070301] [2020-10-29 14:43:33,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:43:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:33,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:33,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:33,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:33,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:33,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:33,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:38,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:38,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 14:43:38,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:43:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:43:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:38,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:43:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:43:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 14:43:38,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:39,144 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 14:43:39,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:43:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:39,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:39,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:43:39,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:43:39,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:39,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:43:39,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:39,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:43:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:39,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:39,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:43:39,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:39,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:43:39,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:39,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:43:39,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:43:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:39,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:39,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:43:39,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:39,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:39,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:39,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:43:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:39,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:43:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:39,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:39,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 14:43:39,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:39,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:43:39,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:39,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:43:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:43:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:39,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 14:43:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:39,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:39,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:43:39,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:43:39,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:39,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:43:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:43:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 14:43:39,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:39,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 14:43:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:39,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:39,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:43:44,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:43:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:44,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:43:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:44,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:44,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:43:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:44,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:43:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:43:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:43:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:43:44,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:43:44,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:43:44,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:43:44,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:43:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:44,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:43:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:43:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:44,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:43:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:43:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:44,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:43:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 14:43:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:43:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 14:43:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:43:44,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:43:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 14:43:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:43:44,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:44,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:43:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 14:43:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-29 14:43:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:44,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:43:44,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:43:44,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:43:44,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:43:44,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:43:44,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:43:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:43:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:43:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:43:44,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:43:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:43:44,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851070301] [2020-10-29 14:43:44,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:43:44,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 14:43:44,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644685256] [2020-10-29 14:43:44,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:43:44,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:43:44,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:43:44,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:43:44,835 INFO L87 Difference]: Start difference. First operand 27495 states and 41321 transitions. Second operand 13 states. [2020-10-29 14:43:45,304 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 14:43:45,484 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 14:43:45,751 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 14:43:48,263 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 14:43:48,738 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-29 14:43:48,939 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:43:49,405 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 14:43:49,584 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:43:50,043 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 225