/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=LOWLEXORDER --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-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:53:03,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:53:03,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:53:03,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:53:03,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:53:03,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:53:03,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:53:03,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:53:03,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:53:03,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:53:03,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:53:03,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:53:03,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:53:03,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:53:03,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:53:03,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:53:03,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:53:03,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:53:03,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:53:03,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:53:03,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:53:03,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:53:03,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:53:03,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:53:03,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:53:03,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:53:03,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:53:03,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:53:03,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:53:03,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:53:03,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:53:03,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:53:03,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:53:03,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:53:03,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:53:03,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:53:03,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:53:03,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:53:03,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:53:03,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:53:03,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:53:03,509 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 [2020-09-24 21:53:03,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:53:03,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:53:03,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:53:03,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:53:03,542 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:53:03,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:53:03,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:53:03,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:53:03,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:53:03,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:53:03,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:53:03,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:53:03,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:53:03,544 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:53:03,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:53:03,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:53:03,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:53:03,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:53:03,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:53:03,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:53:03,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:53:03,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:53:03,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:53:03,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:53:03,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:53:03,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:53:03,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:53:03,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:53:03,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:53:03,548 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:53:04,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:53:04,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:53:04,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:53:04,043 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:53:04,043 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:53:04,045 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-24 21:53:04,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2512f1bc1/478c931ba57f4abebe7edfaca3e5de24/FLAGb64a10480 [2020-09-24 21:53:04,679 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:53:04,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-24 21:53:04,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2512f1bc1/478c931ba57f4abebe7edfaca3e5de24/FLAGb64a10480 [2020-09-24 21:53:04,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2512f1bc1/478c931ba57f4abebe7edfaca3e5de24 [2020-09-24 21:53:04,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:53:05,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:53:05,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:53:05,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:53:05,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:53:05,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:53:04" (1/1) ... [2020-09-24 21:53:05,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a565f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05, skipping insertion in model container [2020-09-24 21:53:05,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:53:04" (1/1) ... [2020-09-24 21:53:05,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:53:05,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:53:05,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:53:05,358 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:53:05,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:53:05,507 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:53:05,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05 WrapperNode [2020-09-24 21:53:05,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:53:05,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:53:05,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:53:05,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:53:05,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (1/1) ... [2020-09-24 21:53:05,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (1/1) ... [2020-09-24 21:53:05,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (1/1) ... [2020-09-24 21:53:05,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (1/1) ... [2020-09-24 21:53:05,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (1/1) ... [2020-09-24 21:53:05,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (1/1) ... [2020-09-24 21:53:05,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (1/1) ... [2020-09-24 21:53:05,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:53:05,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:53:05,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:53:05,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:53:05,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (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 [2020-09-24 21:53:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:53:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:53:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-24 21:53:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-24 21:53:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-24 21:53:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-24 21:53:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-24 21:53:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-24 21:53:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-24 21:53:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-24 21:53:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-24 21:53:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-24 21:53:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-24 21:53:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-24 21:53:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-24 21:53:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-24 21:53:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-24 21:53:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-24 21:53:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-24 21:53:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-24 21:53:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:53:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:53:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-24 21:53:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-24 21:53:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-24 21:53:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-24 21:53:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:53:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-24 21:53:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-24 21:53:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-24 21:53:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-24 21:53:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-24 21:53:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-24 21:53:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-24 21:53:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-24 21:53:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-24 21:53:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-24 21:53:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-24 21:53:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-24 21:53:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-24 21:53:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-24 21:53:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:53:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:53:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:53:06,186 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:53:06,186 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 21:53:06,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:53:06 BoogieIcfgContainer [2020-09-24 21:53:06,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:53:06,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:53:06,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:53:06,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:53:06,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:53:04" (1/3) ... [2020-09-24 21:53:06,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2916bce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:53:06, skipping insertion in model container [2020-09-24 21:53:06,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:53:05" (2/3) ... [2020-09-24 21:53:06,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2916bce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:53:06, skipping insertion in model container [2020-09-24 21:53:06,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:53:06" (3/3) ... [2020-09-24 21:53:06,204 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-1.c [2020-09-24 21:53:06,215 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:53:06,227 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:53:06,249 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:53:06,282 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:53:06,282 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:53:06,282 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:53:06,283 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:53:06,283 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:53:06,283 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:53:06,283 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:53:06,283 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:53:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-09-24 21:53:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-24 21:53:06,323 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:53:06,324 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] [2020-09-24 21:53:06,325 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:53:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:53:06,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1066956110, now seen corresponding path program 1 times [2020-09-24 21:53:06,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:53:06,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003937852] [2020-09-24 21:53:06,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:53:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:06,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:06,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:07,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:08,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:08,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-24 21:53:08,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:53:08,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1906 [2020-09-24 21:53:08,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 21:53:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 21:53:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 21:53:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:53:08,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:08,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:08,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:08,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:53:08,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:08,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 21:53:08,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:08,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 21:53:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:08,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 21:53:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:08,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:08,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:08,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:53:08,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:08,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:53:08,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:53:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:08,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 21:53:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:08,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:08,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:08,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:53:08,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:08,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:08,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:53:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 21:53:08,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 21:53:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:08,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:08,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:08,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:08,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:53:08,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 21:53:08,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:53:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:08,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:08,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:08,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:08,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:08,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 21:53:08,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:08,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:08,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 21:53:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:08,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:08,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:08,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:08,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:08,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 21:53:08,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 21:53:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:08,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:08,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:08,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:08,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:08,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:08,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:08,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:08,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:08,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:08,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:08,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:08,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:09,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:09,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:09,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:09,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:09,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:09,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:09,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:09,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:09,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 21:53:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:09,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:09,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:09,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:09,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:09,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:53:09,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:09,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:09,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:09,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:53:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:09,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:09,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:09,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:09,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:09,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:53:09,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:09,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:09,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:09,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:09,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:53:09,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003937852] [2020-09-24 21:53:09,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:53:09,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 21:53:09,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212128441] [2020-09-24 21:53:09,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 21:53:09,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:53:09,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 21:53:09,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:53:09,118 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 7 states. [2020-09-24 21:53:11,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:53:11,292 INFO L93 Difference]: Finished difference Result 773 states and 1034 transitions. [2020-09-24 21:53:11,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 21:53:11,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-09-24 21:53:11,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:53:11,320 INFO L225 Difference]: With dead ends: 773 [2020-09-24 21:53:11,320 INFO L226 Difference]: Without dead ends: 572 [2020-09-24 21:53:11,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-24 21:53:11,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-09-24 21:53:11,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 391. [2020-09-24 21:53:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-24 21:53:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 475 transitions. [2020-09-24 21:53:11,457 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 475 transitions. Word has length 107 [2020-09-24 21:53:11,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:53:11,458 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 475 transitions. [2020-09-24 21:53:11,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 21:53:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 475 transitions. [2020-09-24 21:53:11,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 21:53:11,474 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:53:11,474 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:53:11,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:53:11,476 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:53:11,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:53:11,476 INFO L82 PathProgramCache]: Analyzing trace with hash -517401199, now seen corresponding path program 1 times [2020-09-24 21:53:11,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:53:11,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395145503] [2020-09-24 21:53:11,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:53:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:11,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:11,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-24 21:53:13,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:53:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2027 [2020-09-24 21:53:13,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 21:53:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-24 21:53:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-24 21:53:13,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:53:13,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:13,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:13,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:13,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:53:13,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 21:53:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:53:13,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:53:13,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:13,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 21:53:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:53:13,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:13,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 21:53:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:13,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:53:13,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:53:13,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:53:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:13,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:13,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:13,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 21:53:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:13,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:13,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:53:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 21:53:13,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:13,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:13,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:13,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:13,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:13,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:13,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:13,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 21:53:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:13,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 21:53:13,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:13,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:53:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:13,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:13,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:13,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:53:13,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:13,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 21:53:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:13,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:14,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:14,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 21:53:14,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:14,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-24 21:53:14,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:53:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:53:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 21:53:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:14,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 21:53:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:14,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:14,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:14,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 21:53:14,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 21:53:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:53:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:53:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 21:53:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:14,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:14,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:14,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:14,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:14,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:14,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:53:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 21:53:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:14,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:14,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:14,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:14,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:14,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:14,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:14,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:14,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:14,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:14,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:14,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:14,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:14,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:14,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:14,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:14,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 21:53:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:14,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:14,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:14,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:14,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:14,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:14,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:14,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:14,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-24 21:53:14,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395145503] [2020-09-24 21:53:14,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:53:14,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:53:14,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650442346] [2020-09-24 21:53:14,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:53:14,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:53:14,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:53:14,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:53:14,186 INFO L87 Difference]: Start difference. First operand 391 states and 475 transitions. Second operand 9 states. [2020-09-24 21:53:17,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:53:17,337 INFO L93 Difference]: Finished difference Result 1526 states and 2094 transitions. [2020-09-24 21:53:17,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 21:53:17,339 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-24 21:53:17,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:53:17,352 INFO L225 Difference]: With dead ends: 1526 [2020-09-24 21:53:17,352 INFO L226 Difference]: Without dead ends: 1175 [2020-09-24 21:53:17,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2020-09-24 21:53:17,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2020-09-24 21:53:17,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 754. [2020-09-24 21:53:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-09-24 21:53:17,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 952 transitions. [2020-09-24 21:53:17,493 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 952 transitions. Word has length 170 [2020-09-24 21:53:17,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:53:17,494 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 952 transitions. [2020-09-24 21:53:17,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:53:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 952 transitions. [2020-09-24 21:53:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 21:53:17,502 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:53:17,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:53:17,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:53:17,503 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:53:17,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:53:17,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1933579983, now seen corresponding path program 1 times [2020-09-24 21:53:17,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:53:17,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406380696] [2020-09-24 21:53:17,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:53:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:17,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:17,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:17,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:17,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:17,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-24 21:53:17,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:53:17,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-09-24 21:53:17,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 21:53:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 21:53:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:53:18,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:53:18,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 21:53:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:53:18,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:53:18,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 21:53:18,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 21:53:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:53:18,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:18,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:53:18,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 21:53:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:53:18,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 21:53:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:53:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:53:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:18,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:18,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 21:53:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:18,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:18,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-24 21:53:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:18,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:18,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 21:53:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:18,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:53:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:18,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:18,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 21:53:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 21:53:18,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 21:53:18,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-24 21:53:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 21:53:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 21:53:18,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:18,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:18,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:18,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:18,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:18,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 21:53:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:18,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:18,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:18,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:18,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:18,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:18,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:18,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:18,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:18,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:18,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-24 21:53:18,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406380696] [2020-09-24 21:53:18,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:53:18,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:53:18,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176426914] [2020-09-24 21:53:18,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:53:18,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:53:18,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:53:18,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:53:18,273 INFO L87 Difference]: Start difference. First operand 754 states and 952 transitions. Second operand 9 states. [2020-09-24 21:53:19,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:53:19,817 INFO L93 Difference]: Finished difference Result 1778 states and 2309 transitions. [2020-09-24 21:53:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 21:53:19,817 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-24 21:53:19,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:53:19,830 INFO L225 Difference]: With dead ends: 1778 [2020-09-24 21:53:19,830 INFO L226 Difference]: Without dead ends: 1062 [2020-09-24 21:53:19,834 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 [2020-09-24 21:53:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2020-09-24 21:53:19,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 748. [2020-09-24 21:53:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-09-24 21:53:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 941 transitions. [2020-09-24 21:53:19,911 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 941 transitions. Word has length 170 [2020-09-24 21:53:19,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:53:19,912 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 941 transitions. [2020-09-24 21:53:19,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:53:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 941 transitions. [2020-09-24 21:53:19,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 21:53:19,916 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:53:19,916 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:53:19,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:53:19,917 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:53:19,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:53:19,917 INFO L82 PathProgramCache]: Analyzing trace with hash 2042384132, now seen corresponding path program 1 times [2020-09-24 21:53:19,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:53:19,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987445438] [2020-09-24 21:53:19,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:53:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:19,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-24 21:53:20,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:53:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-24 21:53:20,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-24 21:53:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:53:20,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:20,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:53:20,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:53:20,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:20,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 21:53:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:53:20,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:53:20,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:20,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 21:53:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:53:20,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:20,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 21:53:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:53:20,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:53:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:20,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 21:53:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:20,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:20,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 37 [2020-09-24 21:53:20,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:20,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 21:53:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:20,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:53:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:20,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 21:53:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 21:53:20,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 21:53:20,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 21:53:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 21:53:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 21:53:20,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:20,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:20,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:20,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:20,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:20,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:20,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:20,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 21:53:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:20,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:20,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:20,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:20,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:20,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 21:53:20,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:20,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:20,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 21:53:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:53:20,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-24 21:53:20,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987445438] [2020-09-24 21:53:20,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:53:20,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:53:20,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347496160] [2020-09-24 21:53:20,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:53:20,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:53:20,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:53:20,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:53:20,625 INFO L87 Difference]: Start difference. First operand 748 states and 941 transitions. Second operand 9 states. [2020-09-24 21:53:23,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:53:23,600 INFO L93 Difference]: Finished difference Result 2741 states and 3690 transitions. [2020-09-24 21:53:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 21:53:23,601 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 175 [2020-09-24 21:53:23,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:53:23,615 INFO L225 Difference]: With dead ends: 2741 [2020-09-24 21:53:23,615 INFO L226 Difference]: Without dead ends: 2032 [2020-09-24 21:53:23,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-09-24 21:53:23,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2020-09-24 21:53:23,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1528. [2020-09-24 21:53:23,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2020-09-24 21:53:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1963 transitions. [2020-09-24 21:53:23,743 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1963 transitions. Word has length 175 [2020-09-24 21:53:23,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:53:23,744 INFO L479 AbstractCegarLoop]: Abstraction has 1528 states and 1963 transitions. [2020-09-24 21:53:23,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:53:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1963 transitions. [2020-09-24 21:53:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-09-24 21:53:23,754 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:53:23,754 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:53:23,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 21:53:23,754 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:53:23,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:53:23,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1106682263, now seen corresponding path program 1 times [2020-09-24 21:53:23,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:53:23,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044865331] [2020-09-24 21:53:23,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:53:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:23,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:23,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:23,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:24,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:24,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:27,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:27,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:28,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:28,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-09-24 21:53:28,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-24 21:53:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-24 21:53:28,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:28,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 21:53:28,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 21:53:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 21:53:28,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:28,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:28,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:28,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:28,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:53:28,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:28,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 21:53:28,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 21:53:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:29,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 21:53:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:53:29,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:53:29,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:29,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:53:29,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 21:53:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:53:29,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:29,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:29,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:53:29,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 21:53:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:29,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:29,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:29,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:53:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:53:29,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:29,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 21:53:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:29,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:53:29,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 21:53:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:29,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:29,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:29,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:29,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:29,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 21:53:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:29,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:29,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:53:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:53:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:29,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:53:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-24 21:53:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 21:53:29,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:53:29,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-09-24 21:53:29,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:53:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 21:53:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:53:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 21:53:29,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:53:29,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 21:53:29,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 21:53:29,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 21:53:29,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:53:29,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 21:53:29,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:29,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:29,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 21:53:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:29,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 21:53:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:53:29,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:29,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 21:53:29,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:29,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-24 21:53:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 21:53:29,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:53:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 21:53:29,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 21:53:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:29,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 21:53:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 21:53:29,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:53:29,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:29,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 21:53:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:29,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 21:53:29,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:53:29,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:29,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 21:53:29,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:29,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:53:29,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:29,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:53:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:29,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 21:53:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:29,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:29,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:29,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:29,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:29,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 21:53:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:30,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:30,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 21:53:30,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:53:30,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-24 21:53:30,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 21:53:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 21:53:30,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:30,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:53:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:30,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:30,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 21:53:30,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:53:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 21:53:30,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 21:53:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:30,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:30,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:30,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 21:53:30,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:30,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 21:53:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:30,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:30,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:30,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:30,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:53:30,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:30,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:53:30,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:30,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 21:53:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:30,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:30,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:30,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:30,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:30,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-24 21:53:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:30,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:30,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:30,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:30,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:30,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:30,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 91 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-09-24 21:53:30,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044865331] [2020-09-24 21:53:30,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:53:30,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 21:53:30,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816968734] [2020-09-24 21:53:30,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 21:53:30,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:53:30,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 21:53:30,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 21:53:30,428 INFO L87 Difference]: Start difference. First operand 1528 states and 1963 transitions. Second operand 15 states. [2020-09-24 21:53:35,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:53:35,987 INFO L93 Difference]: Finished difference Result 4712 states and 6454 transitions. [2020-09-24 21:53:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-24 21:53:35,987 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 283 [2020-09-24 21:53:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:53:36,002 INFO L225 Difference]: With dead ends: 4712 [2020-09-24 21:53:36,003 INFO L226 Difference]: Without dead ends: 2535 [2020-09-24 21:53:36,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=488, Invalid=1864, Unknown=0, NotChecked=0, Total=2352 [2020-09-24 21:53:36,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2535 states. [2020-09-24 21:53:36,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2535 to 1903. [2020-09-24 21:53:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2020-09-24 21:53:36,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2342 transitions. [2020-09-24 21:53:36,136 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2342 transitions. Word has length 283 [2020-09-24 21:53:36,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:53:36,136 INFO L479 AbstractCegarLoop]: Abstraction has 1903 states and 2342 transitions. [2020-09-24 21:53:36,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 21:53:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2342 transitions. [2020-09-24 21:53:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-24 21:53:36,145 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:53:36,145 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:53:36,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 21:53:36,146 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:53:36,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:53:36,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2140706519, now seen corresponding path program 1 times [2020-09-24 21:53:36,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:53:36,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024123162] [2020-09-24 21:53:36,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:53:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:36,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:36,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:36,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:37,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:38,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:38,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:38,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:39,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-24 21:53:41,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 21:53:41,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-24 21:53:41,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:53:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 21:53:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 21:53:41,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:53:41,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:53:41,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:41,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:41,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 21:53:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:53:41,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:41,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:41,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 21:53:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:53:41,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:41,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:41,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 21:53:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:53:41,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 21:53:41,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:53:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:53:41,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:41,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 21:53:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:41,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:53:41,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:53:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 21:53:41,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:53:41,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:41,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:41,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 21:53:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:41,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:53:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:53:41,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:53:41,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 21:53:41,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 21:53:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:53:41,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:41,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 21:53:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:41,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:41,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 21:53:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 21:53:41,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:53:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-24 21:53:41,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-24 21:53:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 21:53:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 21:53:41,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 21:53:41,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 21:53:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 21:53:41,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 21:53:41,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 21:53:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:41,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:41,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:41,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:41,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:53:41,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:53:41,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-24 21:53:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 21:53:41,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:53:41,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 21:53:41,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:41,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 21:53:41,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:41,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:53:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:41,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:41,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 21:53:41,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:41,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 21:53:41,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 21:53:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:41,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:41,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:42,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:42,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 21:53:42,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:42,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 21:53:42,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 21:53:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:42,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:42,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:42,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:42,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:53:42,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:42,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:42,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:42,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:42,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:42,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:42,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:42,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 21:53:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:42,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:42,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:53:42,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:53:42,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:42,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:42,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 21:53:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:42,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:42,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:53:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-09-24 21:53:42,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024123162] [2020-09-24 21:53:42,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:53:42,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 21:53:42,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315193854] [2020-09-24 21:53:42,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 21:53:42,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:53:42,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 21:53:42,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-09-24 21:53:42,201 INFO L87 Difference]: Start difference. First operand 1903 states and 2342 transitions. Second operand 15 states. [2020-09-24 21:53:45,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:53:45,983 INFO L93 Difference]: Finished difference Result 4605 states and 5981 transitions. [2020-09-24 21:53:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-24 21:53:45,984 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 248 [2020-09-24 21:53:45,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:53:45,999 INFO L225 Difference]: With dead ends: 4605 [2020-09-24 21:53:46,000 INFO L226 Difference]: Without dead ends: 2740 [2020-09-24 21:53:46,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=629, Invalid=1821, Unknown=0, NotChecked=0, Total=2450 [2020-09-24 21:53:46,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2020-09-24 21:53:46,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2001. [2020-09-24 21:53:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2020-09-24 21:53:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2419 transitions. [2020-09-24 21:53:46,151 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2419 transitions. Word has length 248 [2020-09-24 21:53:46,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:53:46,151 INFO L479 AbstractCegarLoop]: Abstraction has 2001 states and 2419 transitions. [2020-09-24 21:53:46,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 21:53:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2419 transitions. [2020-09-24 21:53:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-24 21:53:46,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:53:46,159 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:53:46,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 21:53:46,160 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:53:46,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:53:46,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1941039277, now seen corresponding path program 1 times [2020-09-24 21:53:46,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:53:46,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730853404] [2020-09-24 21:53:46,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:53:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:46,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:46,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:46,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-24 21:53:47,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:53:47,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1351 [2020-09-24 21:53:47,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 21:53:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-24 21:53:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 21:53:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:47,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:53:47,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:47,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 21:53:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:53:47,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:47,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:47,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 21:53:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:53:47,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:47,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 21:53:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:47,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:53:47,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 21:53:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:47,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 21:53:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:47,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:53:47,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:47,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:47,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 21:53:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:47,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:53:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:53:47,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 21:53:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 21:53:47,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 21:53:47,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:53:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 21:53:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 21:53:47,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:53:47,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 21:53:47,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 21:53:47,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:47,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:47,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 21:53:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:53:47,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:47,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:47,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 21:53:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:47,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:53:47,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:53:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:53:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 21:53:47,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 21:53:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:47,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:47,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:53:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:53:47,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:53:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:47,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-24 21:53:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:47,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:48,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:48,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 21:53:48,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:48,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 21:53:48,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:48,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:53:48,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:53:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 21:53:48,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:53:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:48,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:48,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:48,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 21:53:48,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 21:53:48,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 21:53:48,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:48,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:53:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:48,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:48,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 21:53:48,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:48,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:53:48,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:48,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:48,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:48,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:48,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:48,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:53:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:48,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:48,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:48,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:53:48,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:53:48,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:48,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:48,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 21:53:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:48,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:48,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:48,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:53:48,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:48,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:53:48,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:53:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:53:48,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:48,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 21:53:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:48,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:48,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:53:48,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:53:48,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:53:48,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:53:48,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:53:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:53:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:53:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:53:48,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:53:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-09-24 21:53:48,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730853404] [2020-09-24 21:53:48,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:53:48,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 21:53:48,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332642832] [2020-09-24 21:53:48,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 21:53:48,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:53:48,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 21:53:48,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-09-24 21:53:48,177 INFO L87 Difference]: Start difference. First operand 2001 states and 2419 transitions. Second operand 12 states. [2020-09-24 21:53:53,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:53:53,925 INFO L93 Difference]: Finished difference Result 6423 states and 8296 transitions. [2020-09-24 21:53:53,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-24 21:53:53,927 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 248 [2020-09-24 21:53:53,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:53:53,955 INFO L225 Difference]: With dead ends: 6423 [2020-09-24 21:53:53,956 INFO L226 Difference]: Without dead ends: 4938 [2020-09-24 21:53:53,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=421, Invalid=1741, Unknown=0, NotChecked=0, Total=2162 [2020-09-24 21:53:53,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4938 states. [2020-09-24 21:53:54,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4938 to 3655. [2020-09-24 21:53:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3655 states. [2020-09-24 21:53:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3655 states to 3655 states and 4625 transitions. [2020-09-24 21:53:54,198 INFO L78 Accepts]: Start accepts. Automaton has 3655 states and 4625 transitions. Word has length 248 [2020-09-24 21:53:54,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:53:54,199 INFO L479 AbstractCegarLoop]: Abstraction has 3655 states and 4625 transitions. [2020-09-24 21:53:54,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 21:53:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3655 states and 4625 transitions. [2020-09-24 21:53:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-09-24 21:53:54,212 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:53:54,212 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:53:54,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 21:53:54,213 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:53:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:53:54,213 INFO L82 PathProgramCache]: Analyzing trace with hash 353572077, now seen corresponding path program 1 times [2020-09-24 21:53:54,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:53:54,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610488021] [2020-09-24 21:53:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:53:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:53:54,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:54,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:54,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:53:54,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking...