/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:19:20,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:19:20,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:19:20,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:19:20,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:19:20,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:19:20,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:19:20,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:19:20,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:19:20,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:19:20,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:19:20,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:19:20,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:19:20,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:19:20,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:19:20,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:19:20,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:19:20,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:19:20,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:19:20,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:19:20,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:19:20,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:19:20,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:19:20,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:19:20,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:19:20,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:19:20,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:19:20,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:19:20,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:19:20,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:19:20,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:19:20,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:19:20,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:19:20,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:19:20,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:19:20,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:19:20,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:19:20,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:19:20,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:19:20,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:19:20,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:19:20,586 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 [2020-09-25 10:19:20,611 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:19:20,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:19:20,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:19:20,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:19:20,613 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:19:20,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:19:20,614 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:19:20,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:19:20,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:19:20,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:19:20,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:19:20,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:19:20,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:19:20,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:19:20,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:19:20,615 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:19:20,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:19:20,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:19:20,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:19:20,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:19:20,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:19:20,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:19:20,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:19:20,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:19:20,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:19:20,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:19:20,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:19:20,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:19:20,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:19:20,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=0.1;log-additional-information=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=0.1;log-additional-information=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=0.1;log-additional-information=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=0.1;log-additional-information=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=0.1;log-additional-information=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=0.1;log-additional-information=true; [2020-09-25 10:19:21,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:19:21,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:19:21,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:19:21,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:19:21,134 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:19:21,135 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-09-25 10:19:21,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/abaf65e47/4b8c0827e32148b28bd78ca88b4f2e82/FLAG56024061d [2020-09-25 10:19:21,812 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:19:21,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-09-25 10:19:21,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/abaf65e47/4b8c0827e32148b28bd78ca88b4f2e82/FLAG56024061d [2020-09-25 10:19:22,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/abaf65e47/4b8c0827e32148b28bd78ca88b4f2e82 [2020-09-25 10:19:22,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:19:22,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:19:22,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:19:22,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:19:22,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:19:22,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f546c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22, skipping insertion in model container [2020-09-25 10:19:22,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:19:22,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:19:22,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:19:22,520 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:19:22,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:19:22,668 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:19:22,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22 WrapperNode [2020-09-25 10:19:22,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:19:22,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:19:22,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:19:22,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:19:22,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (1/1) ... [2020-09-25 10:19:22,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:19:22,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:19:22,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:19:22,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:19:22,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (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 [2020-09-25 10:19:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:19:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:19:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 10:19:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 10:19:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 10:19:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 10:19:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 10:19:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 10:19:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 10:19:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 10:19:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 10:19:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 10:19:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 10:19:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 10:19:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 10:19:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 10:19:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 10:19:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 10:19:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 10:19:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 10:19:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:19:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:19:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 10:19:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 10:19:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 10:19:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 10:19:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:19:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 10:19:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 10:19:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 10:19:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 10:19:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 10:19:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 10:19:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 10:19:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 10:19:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 10:19:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 10:19:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 10:19:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 10:19:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 10:19:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 10:19:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:19:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:19:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:19:23,526 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:19:23,526 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 10:19:23,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:19:23 BoogieIcfgContainer [2020-09-25 10:19:23,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:19:23,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:19:23,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:19:23,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:19:23,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:19:22" (1/3) ... [2020-09-25 10:19:23,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0f9ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:19:23, skipping insertion in model container [2020-09-25 10:19:23,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:22" (2/3) ... [2020-09-25 10:19:23,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0f9ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:19:23, skipping insertion in model container [2020-09-25 10:19:23,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:19:23" (3/3) ... [2020-09-25 10:19:23,545 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-2.c [2020-09-25 10:19:23,559 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:19:23,571 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:19:23,596 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:19:23,633 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:19:23,634 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:19:23,634 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:19:23,634 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:19:23,634 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:19:23,635 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:19:23,635 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:19:23,635 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:19:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-09-25 10:19:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-25 10:19:23,684 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:23,685 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] [2020-09-25 10:19:23,686 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:23,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:23,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1293744950, now seen corresponding path program 1 times [2020-09-25 10:19:23,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:23,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520267192] [2020-09-25 10:19:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:24,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:24,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-25 10:19:25,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:25,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1673 [2020-09-25 10:19:25,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 10:19:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 10:19:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 10:19:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:19:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:25,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 10:19:25,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 10:19:25,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:25,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:19:25,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:19:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:25,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:25,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:19:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:19:25,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:25,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 10:19:25,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:25,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:25,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 10:19:25,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 10:19:25,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:25,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:25,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:26,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:26,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:26,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:26,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:26,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:26,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:26,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:26,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:26,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:26,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:26,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:26,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:26,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:19:26,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:26,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:26,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:26,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:26,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:26,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:19:26,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520267192] [2020-09-25 10:19:26,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:26,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 10:19:26,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336122761] [2020-09-25 10:19:26,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 10:19:26,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:26,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 10:19:26,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:19:26,110 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 7 states. [2020-09-25 10:19:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:28,119 INFO L93 Difference]: Finished difference Result 795 states and 1069 transitions. [2020-09-25 10:19:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 10:19:28,121 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-09-25 10:19:28,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:28,148 INFO L225 Difference]: With dead ends: 795 [2020-09-25 10:19:28,149 INFO L226 Difference]: Without dead ends: 585 [2020-09-25 10:19:28,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 10:19:28,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-09-25 10:19:28,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 404. [2020-09-25 10:19:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-09-25 10:19:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 494 transitions. [2020-09-25 10:19:28,279 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 494 transitions. Word has length 110 [2020-09-25 10:19:28,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:28,280 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 494 transitions. [2020-09-25 10:19:28,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 10:19:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 494 transitions. [2020-09-25 10:19:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 10:19:28,286 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:28,287 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:28,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:19:28,288 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:28,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:28,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1206698500, now seen corresponding path program 1 times [2020-09-25 10:19:28,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:28,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234313085] [2020-09-25 10:19:28,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:28,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:28,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 10:19:30,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:30,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2134 [2020-09-25 10:19:30,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:19:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-25 10:19:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-25 10:19:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:30,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:30,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 10:19:30,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:30,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:30,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:30,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:30,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:30,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:30,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:30,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:30,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:30,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:30,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:30,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:19:30,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:30,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:30,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 10:19:30,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:30,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:30,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:30,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:19:30,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:30,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:30,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 10:19:30,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:30,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:30,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:30,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:30,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:30,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:30,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:30,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:30,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:30,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:30,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:30,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:19:30,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:30,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:30,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:19:30,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:30,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:30,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:30,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:30,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:19:30,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 10:19:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:30,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 10:19:31,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-25 10:19:31,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:19:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 10:19:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:19:31,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 10:19:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:19:31,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 10:19:31,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:19:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:31,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 10:19:31,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:31,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 10:19:31,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:31,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:31,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 10:19:31,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:31,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:31,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:31,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:31,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 10:19:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:31,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:31,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:31,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:31,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,434 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 10:19:31,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234313085] [2020-09-25 10:19:31,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:31,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 10:19:31,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289765278] [2020-09-25 10:19:31,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 10:19:31,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:31,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 10:19:31,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 10:19:31,443 INFO L87 Difference]: Start difference. First operand 404 states and 494 transitions. Second operand 9 states. [2020-09-25 10:19:34,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:34,756 INFO L93 Difference]: Finished difference Result 1565 states and 2151 transitions. [2020-09-25 10:19:34,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 10:19:34,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-09-25 10:19:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:34,791 INFO L225 Difference]: With dead ends: 1565 [2020-09-25 10:19:34,791 INFO L226 Difference]: Without dead ends: 1201 [2020-09-25 10:19:34,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2020-09-25 10:19:34,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-09-25 10:19:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 779. [2020-09-25 10:19:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2020-09-25 10:19:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 989 transitions. [2020-09-25 10:19:34,969 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 989 transitions. Word has length 176 [2020-09-25 10:19:34,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:34,970 INFO L479 AbstractCegarLoop]: Abstraction has 779 states and 989 transitions. [2020-09-25 10:19:34,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 10:19:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 989 transitions. [2020-09-25 10:19:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 10:19:34,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:34,984 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:34,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:19:34,984 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:34,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:34,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1035885988, now seen corresponding path program 1 times [2020-09-25 10:19:34,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:34,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750862313] [2020-09-25 10:19:34,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 10:19:35,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:35,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-09-25 10:19:35,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 10:19:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 10:19:35,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:35,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:35,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:35,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:35,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:19:35,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:35,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:35,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:35,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:35,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:19:35,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:35,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 10:19:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:19:35,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:35,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:35,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:35,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:35,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:35,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 10:19:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:35,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:35,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:35,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:35,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:35,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:19:35,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 10:19:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 10:19:35,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 10:19:35,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-25 10:19:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 10:19:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:19:35,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:35,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:35,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:35,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:35,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 10:19:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:19:35,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:35,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-25 10:19:35,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750862313] [2020-09-25 10:19:35,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:35,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 10:19:35,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410156290] [2020-09-25 10:19:35,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 10:19:35,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:35,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 10:19:35,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 10:19:35,977 INFO L87 Difference]: Start difference. First operand 779 states and 989 transitions. Second operand 9 states. [2020-09-25 10:19:37,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:37,755 INFO L93 Difference]: Finished difference Result 1828 states and 2383 transitions. [2020-09-25 10:19:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 10:19:37,756 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-09-25 10:19:37,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:37,768 INFO L225 Difference]: With dead ends: 1828 [2020-09-25 10:19:37,769 INFO L226 Difference]: Without dead ends: 1087 [2020-09-25 10:19:37,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-09-25 10:19:37,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2020-09-25 10:19:37,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 773. [2020-09-25 10:19:37,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2020-09-25 10:19:37,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 978 transitions. [2020-09-25 10:19:37,850 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 978 transitions. Word has length 176 [2020-09-25 10:19:37,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:37,850 INFO L479 AbstractCegarLoop]: Abstraction has 773 states and 978 transitions. [2020-09-25 10:19:37,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 10:19:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 978 transitions. [2020-09-25 10:19:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 10:19:37,854 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:37,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:37,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:19:37,855 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:37,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:37,855 INFO L82 PathProgramCache]: Analyzing trace with hash -92911334, now seen corresponding path program 1 times [2020-09-25 10:19:37,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:37,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907878424] [2020-09-25 10:19:37,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:37,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-25 10:19:38,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-09-25 10:19:38,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-25 10:19:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 10:19:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:38,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:38,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:19:38,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:38,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:38,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:19:38,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:38,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:38,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:38,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:38,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:38,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:38,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:38,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:38,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:38,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:38,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:38,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 10:19:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 10:19:38,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 10:19:38,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 10:19:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 10:19:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:19:38,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:38,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:38,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:38,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:38,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:38,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 10:19:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:38,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 10:19:38,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 10:19:38,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907878424] [2020-09-25 10:19:38,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:38,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:19:38,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069064142] [2020-09-25 10:19:38,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:19:38,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:38,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:19:38,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:19:38,585 INFO L87 Difference]: Start difference. First operand 773 states and 978 transitions. Second operand 8 states. [2020-09-25 10:19:41,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:41,264 INFO L93 Difference]: Finished difference Result 2639 states and 3592 transitions. [2020-09-25 10:19:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 10:19:41,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2020-09-25 10:19:41,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:41,280 INFO L225 Difference]: With dead ends: 2639 [2020-09-25 10:19:41,281 INFO L226 Difference]: Without dead ends: 1905 [2020-09-25 10:19:41,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-09-25 10:19:41,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2020-09-25 10:19:41,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1419. [2020-09-25 10:19:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1419 states. [2020-09-25 10:19:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1846 transitions. [2020-09-25 10:19:41,430 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1846 transitions. Word has length 181 [2020-09-25 10:19:41,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:41,432 INFO L479 AbstractCegarLoop]: Abstraction has 1419 states and 1846 transitions. [2020-09-25 10:19:41,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:19:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1846 transitions. [2020-09-25 10:19:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-09-25 10:19:41,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:41,468 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:41,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 10:19:41,468 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:41,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:41,469 INFO L82 PathProgramCache]: Analyzing trace with hash 68888896, now seen corresponding path program 1 times [2020-09-25 10:19:41,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:41,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914300570] [2020-09-25 10:19:41,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:41,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:41,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:41,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:41,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:41,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:41,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-09-25 10:19:46,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 10:19:46,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 10:19:46,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 10:19:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 10:19:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-25 10:19:46,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:46,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 10:19:46,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:19:46,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:46,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:46,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:19:46,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:46,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:46,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:19:46,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:19:46,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:46,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:19:46,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:46,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:19:46,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 10:19:46,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:46,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:19:46,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:46,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 10:19:46,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:19:46,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:19:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 10:19:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 10:19:47,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:19:47,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-09-25 10:19:47,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 10:19:47,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 10:19:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 10:19:47,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:47,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 10:19:47,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 10:19:47,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:19:47,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:47,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 10:19:47,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:19:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 10:19:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:47,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:47,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:47,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:47,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:47,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:19:47,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 10:19:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:47,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:47,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:47,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 10:19:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:47,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:47,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:47,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:47,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:47,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 10:19:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 10:19:47,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 10:19:47,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:19:47,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 10:19:47,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:47,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 10:19:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 10:19:47,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:47,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:19:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 10:19:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:19:47,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:47,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:19:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 10:19:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:47,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:47,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:47,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:47,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:47,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:19:47,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-25 10:19:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 10:19:47,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:47,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-25 10:19:47,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 10:19:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 10:19:47,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:48,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 10:19:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:48,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:48,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:48,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:48,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 10:19:48,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:48,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 10:19:48,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:48,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 10:19:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:19:48,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:48,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:48,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:48,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:48,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:48,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:19:48,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 10:19:48,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:48,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 10:19:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:48,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:48,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:48,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:48,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:48,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:48,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:48,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 10:19:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:48,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:48,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:48,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:48,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:48,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:48,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:48,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:19:48,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:48,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-09-25 10:19:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:48,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:48,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:48,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:48,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:48,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:48,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:48,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 77 proven. 42 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-09-25 10:19:48,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914300570] [2020-09-25 10:19:48,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 10:19:48,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-25 10:19:48,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003924764] [2020-09-25 10:19:48,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-25 10:19:48,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:48,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-25 10:19:48,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2020-09-25 10:19:48,278 INFO L87 Difference]: Start difference. First operand 1419 states and 1846 transitions. Second operand 21 states. [2020-09-25 10:19:56,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:56,864 INFO L93 Difference]: Finished difference Result 4473 states and 6191 transitions. [2020-09-25 10:19:56,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-09-25 10:19:56,866 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 288 [2020-09-25 10:19:56,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:56,882 INFO L225 Difference]: With dead ends: 4473 [2020-09-25 10:19:56,883 INFO L226 Difference]: Without dead ends: 2394 [2020-09-25 10:19:56,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=925, Invalid=4187, Unknown=0, NotChecked=0, Total=5112 [2020-09-25 10:19:56,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2394 states. [2020-09-25 10:19:57,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2394 to 1777. [2020-09-25 10:19:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1777 states. [2020-09-25 10:19:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2218 transitions. [2020-09-25 10:19:57,022 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2218 transitions. Word has length 288 [2020-09-25 10:19:57,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:57,023 INFO L479 AbstractCegarLoop]: Abstraction has 1777 states and 2218 transitions. [2020-09-25 10:19:57,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-25 10:19:57,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2218 transitions. [2020-09-25 10:19:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 10:19:57,032 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:57,032 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:57,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 10:19:57,033 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:57,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1453934466, now seen corresponding path program 1 times [2020-09-25 10:19:57,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:57,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153834695] [2020-09-25 10:19:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:58,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 10:20:02,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:20:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 10:20:02,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 10:20:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-25 10:20:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-25 10:20:02,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:20:02,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:20:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:20:02,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:20:02,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:20:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:20:02,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:20:02,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:20:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:20:02,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:20:02,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:20:02,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:20:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:20:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:20:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:20:02,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:20:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:20:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:20:02,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:20:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:20:02,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:20:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:20:02,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:20:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:20:02,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:20:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:20:02,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 10:20:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 10:20:02,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 10:20:02,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:20:02,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 10:20:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 10:20:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:20:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:20:02,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:20:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 10:20:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:20:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:20:02,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:20:02,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:20:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:20:02,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:20:02,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:20:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:20:02,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:02,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 10:20:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:02,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 10:20:02,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:20:02,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:20:02,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 10:20:02,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 10:20:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 10:20:02,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:02,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:20:02,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:20:02,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:02,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:20:02,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 10:20:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 10:20:02,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:20:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 10:20:02,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:02,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:02,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:20:02,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:20:02,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 10:20:02,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:02,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 10:20:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:02,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:02,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:03,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:03,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 10:20:03,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:20:03,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 10:20:03,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:03,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:03,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:20:03,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:03,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 10:20:03,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:03,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:20:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:03,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:03,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:03,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:03,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 10:20:03,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:20:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 10:20:03,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:03,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:20:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 10:20:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:20:03,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:03,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:20:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:03,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:03,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:03,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 10:20:03,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:03,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:20:03,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:03,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:20:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:20:03,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 10:20:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:03,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:03,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:03,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 10:20:03,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:03,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:20:03,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:03,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:03,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:20:03,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:03,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:20:03,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:03,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 10:20:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:03,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:03,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:20:03,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:20:03,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:20:03,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:20:03,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:20:03,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:20:03,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:20:03,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:20:03,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:20:03,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:20:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 13 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-09-25 10:20:03,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153834695] [2020-09-25 10:20:03,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 10:20:03,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 10:20:03,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367636815] [2020-09-25 10:20:03,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 10:20:03,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:20:03,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 10:20:03,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-09-25 10:20:03,318 INFO L87 Difference]: Start difference. First operand 1777 states and 2218 transitions. Second operand 16 states.