/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:00:25,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:00:25,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:00:25,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:00:25,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:00:25,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:00:25,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:00:25,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:00:25,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:00:25,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:00:25,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:00:25,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:00:25,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:00:25,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:00:25,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:00:25,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:00:25,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:00:25,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:00:25,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:00:25,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:00:25,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:00:25,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:00:25,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:00:25,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:00:25,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:00:25,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:00:25,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:00:25,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:00:25,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:00:25,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:00:25,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:00:25,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:00:25,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:00:25,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:00:25,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:00:25,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:00:25,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:00:25,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:00:25,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:00:25,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:00:25,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:00:25,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 21:00:25,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:00:25,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:00:25,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:00:25,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:00:25,474 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:00:25,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:00:25,475 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:00:25,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:00:25,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:00:25,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:00:25,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:00:25,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:00:25,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:00:25,478 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:00:25,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:00:25,478 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:00:25,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:00:25,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:00:25,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:00:25,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:00:25,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:00:25,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:00:25,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:00:25,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:00:25,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:00:25,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:00:25,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:00:25,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:00:25,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:00:25,481 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:00:25,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:00:25,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:00:25,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:00:25,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:00:25,791 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:00:25,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2020-10-12 21:00:25,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41cdd77e8/9399869774364195935a1e15a29a736d/FLAG0df0076b8 [2020-10-12 21:00:26,364 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:00:26,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/kundu1.cil.c [2020-10-12 21:00:26,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41cdd77e8/9399869774364195935a1e15a29a736d/FLAG0df0076b8 [2020-10-12 21:00:26,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41cdd77e8/9399869774364195935a1e15a29a736d [2020-10-12 21:00:26,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:00:26,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:00:26,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:26,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:00:26,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:00:26,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:26" (1/1) ... [2020-10-12 21:00:26,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c77fbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:26, skipping insertion in model container [2020-10-12 21:00:26,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:26" (1/1) ... [2020-10-12 21:00:26,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:00:26,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:00:26,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:27,000 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:00:27,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:27,156 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:00:27,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27 WrapperNode [2020-10-12 21:00:27,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:27,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:00:27,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:00:27,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:00:27,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (1/1) ... [2020-10-12 21:00:27,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (1/1) ... [2020-10-12 21:00:27,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (1/1) ... [2020-10-12 21:00:27,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (1/1) ... [2020-10-12 21:00:27,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (1/1) ... [2020-10-12 21:00:27,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (1/1) ... [2020-10-12 21:00:27,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (1/1) ... [2020-10-12 21:00:27,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:00:27,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:00:27,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:00:27,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:00:27,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:00:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:00:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:00:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:00:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2020-10-12 21:00:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2020-10-12 21:00:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2020-10-12 21:00:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2020-10-12 21:00:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2020-10-12 21:00:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2020-10-12 21:00:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:00:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:00:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:00:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:00:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:00:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:00:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:00:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:00:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:00:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:00:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:00:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:00:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:00:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:00:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:00:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:00:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:00:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:00:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2020-10-12 21:00:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2020-10-12 21:00:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2020-10-12 21:00:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2020-10-12 21:00:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2020-10-12 21:00:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2020-10-12 21:00:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:00:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:00:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:00:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:00:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:00:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:00:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:00:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:00:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:00:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:00:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:00:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:00:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:00:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:00:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:00:27,775 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:00:27,776 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 21:00:27,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:27 BoogieIcfgContainer [2020-10-12 21:00:27,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:00:27,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:00:27,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:00:27,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:00:27,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:00:26" (1/3) ... [2020-10-12 21:00:27,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33995329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:27, skipping insertion in model container [2020-10-12 21:00:27,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:27" (2/3) ... [2020-10-12 21:00:27,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33995329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:27, skipping insertion in model container [2020-10-12 21:00:27,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:27" (3/3) ... [2020-10-12 21:00:27,792 INFO L109 eAbstractionObserver]: Analyzing ICFG kundu1.cil.c [2020-10-12 21:00:27,804 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:00:27,814 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:00:27,830 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:00:27,859 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:00:27,860 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:00:27,860 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:00:27,860 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:00:27,861 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:00:27,861 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:00:27,861 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:00:27,861 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:00:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-10-12 21:00:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-12 21:00:27,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:27,900 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] [2020-10-12 21:00:27,900 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:27,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:27,908 INFO L82 PathProgramCache]: Analyzing trace with hash -798642762, now seen corresponding path program 1 times [2020-10-12 21:00:27,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:27,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233795924] [2020-10-12 21:00:27,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:28,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:28,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:29,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-12 21:00:31,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:00:31,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3206 [2020-10-12 21:00:31,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:00:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:00:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 21:00:31,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 21:00:31,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:31,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:31,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:31,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:31,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:00:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:31,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:00:31,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:00:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:00:31,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:00:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:31,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:00:31,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:31,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:00:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:00:31,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:00:31,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:00:31,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-12 21:00:31,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:00:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:31,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:00:31,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:31,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:00:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:00:31,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 21:00:31,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:00:31,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:31,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:00:31,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:31,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:31,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:00:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:00:31,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:31,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:31,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:31,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:00:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:31,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:31,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:31,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:31,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:00:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:31,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:31,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:31,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:31,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:31,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:00:31,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:31,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:00:31,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:31,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233795924] [2020-10-12 21:00:31,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:31,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 21:00:31,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309684832] [2020-10-12 21:00:31,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 21:00:31,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:31,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 21:00:31,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-12 21:00:31,920 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 8 states. [2020-10-12 21:00:34,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:34,497 INFO L93 Difference]: Finished difference Result 425 states and 594 transitions. [2020-10-12 21:00:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:00:34,501 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 72 [2020-10-12 21:00:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:34,539 INFO L225 Difference]: With dead ends: 425 [2020-10-12 21:00:34,540 INFO L226 Difference]: Without dead ends: 282 [2020-10-12 21:00:34,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-12 21:00:34,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-12 21:00:34,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 262. [2020-10-12 21:00:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-12 21:00:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 348 transitions. [2020-10-12 21:00:34,738 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 348 transitions. Word has length 72 [2020-10-12 21:00:34,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:34,739 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 348 transitions. [2020-10-12 21:00:34,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 21:00:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 348 transitions. [2020-10-12 21:00:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-12 21:00:34,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:34,754 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] [2020-10-12 21:00:34,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:00:34,755 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:34,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1276211789, now seen corresponding path program 1 times [2020-10-12 21:00:34,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:34,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461016228] [2020-10-12 21:00:34,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:34,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:34,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:34,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:34,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:35,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:35,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:36,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-12 21:00:38,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:00:38,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3266 [2020-10-12 21:00:38,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:00:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:00:38,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 21:00:38,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 21:00:38,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:38,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:38,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:38,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:00:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:38,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:38,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:00:38,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:00:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:38,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:00:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:00:38,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:38,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:00:38,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:00:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:38,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:38,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:00:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:00:38,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:38,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:00:38,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:00:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:00:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:38,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:00:38,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:00:38,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:38,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:38,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:00:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:00:38,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:38,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:00:38,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:00:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:38,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:38,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:38,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:00:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:38,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:38,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:38,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:38,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:38,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:38,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:00:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:38,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461016228] [2020-10-12 21:00:38,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:38,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 21:00:38,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176512010] [2020-10-12 21:00:38,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 21:00:38,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:38,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 21:00:38,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 21:00:38,269 INFO L87 Difference]: Start difference. First operand 262 states and 348 transitions. Second operand 7 states. [2020-10-12 21:00:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:39,668 INFO L93 Difference]: Finished difference Result 769 states and 1053 transitions. [2020-10-12 21:00:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 21:00:39,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-10-12 21:00:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:39,674 INFO L225 Difference]: With dead ends: 769 [2020-10-12 21:00:39,674 INFO L226 Difference]: Without dead ends: 527 [2020-10-12 21:00:39,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:00:39,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-10-12 21:00:39,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 468. [2020-10-12 21:00:39,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-12 21:00:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 613 transitions. [2020-10-12 21:00:39,734 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 613 transitions. Word has length 72 [2020-10-12 21:00:39,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:39,734 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 613 transitions. [2020-10-12 21:00:39,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 21:00:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 613 transitions. [2020-10-12 21:00:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-12 21:00:39,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:39,739 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] [2020-10-12 21:00:39,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:00:39,739 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:39,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:39,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1783688648, now seen corresponding path program 1 times [2020-10-12 21:00:39,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:39,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763444307] [2020-10-12 21:00:39,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:39,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:39,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:39,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:40,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:42,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:43,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-12 21:00:44,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:00:44,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:00:44,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:00:44,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:00:44,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-12 21:00:44,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:44,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:44,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:44,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:44,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:44,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:00:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:44,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:44,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:44,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:00:44,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:44,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:00:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:44,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:44,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:44,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:00:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:00:44,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:44,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:44,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:00:44,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:44,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:00:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:44,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:44,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:44,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:00:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:00:44,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:44,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 21:00:44,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:00:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:00:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:00:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:44,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:44,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:44,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:00:44,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:44,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:44,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:44,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:00:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:44,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:45,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:45,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:00:45,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:00:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:45,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:00:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:45,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:45,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:45,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:45,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:45,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:45,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:45,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:00:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:45,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:45,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:45,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:45,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:00:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:45,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:00:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:45,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:45,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:00:45,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:45,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 21:00:45,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:45,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:00:45,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:00:45,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:45,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:00:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:45,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:45,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:00:45,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:45,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:00:45,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:00:45,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:45,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763444307] [2020-10-12 21:00:45,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:45,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 21:00:45,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507127325] [2020-10-12 21:00:45,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:00:45,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:45,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:00:45,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:00:45,202 INFO L87 Difference]: Start difference. First operand 468 states and 613 transitions. Second operand 15 states. [2020-10-12 21:00:49,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:49,043 INFO L93 Difference]: Finished difference Result 1266 states and 1812 transitions. [2020-10-12 21:00:49,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 21:00:49,044 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 86 [2020-10-12 21:00:49,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:49,057 INFO L225 Difference]: With dead ends: 1266 [2020-10-12 21:00:49,057 INFO L226 Difference]: Without dead ends: 818 [2020-10-12 21:00:49,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=556, Invalid=1796, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 21:00:49,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-10-12 21:00:49,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 623. [2020-10-12 21:00:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-10-12 21:00:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 836 transitions. [2020-10-12 21:00:49,150 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 836 transitions. Word has length 86 [2020-10-12 21:00:49,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:49,150 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 836 transitions. [2020-10-12 21:00:49,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:00:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 836 transitions. [2020-10-12 21:00:49,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 21:00:49,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:49,153 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] [2020-10-12 21:00:49,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:00:49,154 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:49,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:49,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1775496797, now seen corresponding path program 1 times [2020-10-12 21:00:49,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:49,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19691401] [2020-10-12 21:00:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:49,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:49,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:49,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:50,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 21:00:54,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:00:54,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:00:54,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 21:00:54,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:00:54,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-12 21:00:54,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:54,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:00:54,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:54,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:54,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:00:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:00:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:00:54,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:00:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:54,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:54,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:00:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:00:54,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:54,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:00:54,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:00:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:54,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:54,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:54,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:00:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:00:54,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:00:54,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:00:54,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:00:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:00:54,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:00:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:00:54,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:54,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:00:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:54,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:00:54,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:00:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:00:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:00:54,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:54,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:54,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:54,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:00:54,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:00:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:00:54,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 21:00:54,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:00:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:00:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:00:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:00:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:54,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:54,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:54,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:00:54,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:00:54,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:00:54,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:00:54,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:54,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19691401] [2020-10-12 21:00:54,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:54,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 21:00:54,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922246029] [2020-10-12 21:00:54,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:00:54,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:54,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:00:54,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:00:54,575 INFO L87 Difference]: Start difference. First operand 623 states and 836 transitions. Second operand 15 states. [2020-10-12 21:00:59,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:59,201 INFO L93 Difference]: Finished difference Result 1851 states and 2738 transitions. [2020-10-12 21:00:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 21:00:59,202 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 90 [2020-10-12 21:00:59,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:59,215 INFO L225 Difference]: With dead ends: 1851 [2020-10-12 21:00:59,215 INFO L226 Difference]: Without dead ends: 1351 [2020-10-12 21:00:59,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=581, Invalid=2281, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 21:00:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2020-10-12 21:00:59,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1069. [2020-10-12 21:00:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1069 states. [2020-10-12 21:00:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1514 transitions. [2020-10-12 21:00:59,355 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1514 transitions. Word has length 90 [2020-10-12 21:00:59,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:59,357 INFO L479 AbstractCegarLoop]: Abstraction has 1069 states and 1514 transitions. [2020-10-12 21:00:59,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:00:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1514 transitions. [2020-10-12 21:00:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 21:00:59,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:59,368 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:00:59,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:00:59,368 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:59,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:59,368 INFO L82 PathProgramCache]: Analyzing trace with hash 896970601, now seen corresponding path program 1 times [2020-10-12 21:00:59,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:59,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119083938] [2020-10-12 21:00:59,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:59,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:59,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:00,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 21:01:00,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:01:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1506 [2020-10-12 21:01:00,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:01:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:01:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:01:00,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:00,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:00,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:00,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:00,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:00,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:00,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:00,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:00,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:00,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:00,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:00,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:00,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:00,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:00,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:00,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:00,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:00,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:00,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:00,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:00,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:00,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:00,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:00,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:00,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:00,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:00,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:00,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:01,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:01,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:01,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 21:01:01,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:01:01,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:01,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:01,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:01,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:01,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:01,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:01,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:01,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:01,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:01,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:01,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:01,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:01,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:01,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:01,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:01,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:01,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:01,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:01,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:01,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:01,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:01,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:01,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:01,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:01,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:01,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:01,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:01,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:01,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:01,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:01,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:01,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 21:01:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:01,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:01,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:01,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:01,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:01,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:01,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:01:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:01,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:01,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:01,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:01,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:01,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:01,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 21:01:01,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119083938] [2020-10-12 21:01:01,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:01,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:01:01,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721991432] [2020-10-12 21:01:01,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:01:01,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:01,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:01:01,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:01:01,089 INFO L87 Difference]: Start difference. First operand 1069 states and 1514 transitions. Second operand 9 states. [2020-10-12 21:01:02,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:02,939 INFO L93 Difference]: Finished difference Result 3817 states and 5496 transitions. [2020-10-12 21:01:02,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 21:01:02,940 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-10-12 21:01:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:02,965 INFO L225 Difference]: With dead ends: 3817 [2020-10-12 21:01:02,965 INFO L226 Difference]: Without dead ends: 2768 [2020-10-12 21:01:02,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:01:02,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2020-10-12 21:01:03,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2269. [2020-10-12 21:01:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2269 states. [2020-10-12 21:01:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3155 transitions. [2020-10-12 21:01:03,236 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3155 transitions. Word has length 92 [2020-10-12 21:01:03,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:03,236 INFO L479 AbstractCegarLoop]: Abstraction has 2269 states and 3155 transitions. [2020-10-12 21:01:03,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:01:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3155 transitions. [2020-10-12 21:01:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 21:01:03,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:03,238 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:01:03,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:01:03,239 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:03,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:03,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1274613418, now seen corresponding path program 1 times [2020-10-12 21:01:03,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:03,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553158556] [2020-10-12 21:01:03,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:03,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:03,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:03,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:03,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:03,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:03,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:03,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 21:01:04,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:01:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-10-12 21:01:04,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-12 21:01:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:04,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:04,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:04,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:04,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:04,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:04,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:04,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:04,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:04,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:04,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:04,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:04,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:04,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:01:04,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:04,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:04,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:04,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:04,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:04,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:04,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:04,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:04,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:04,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:04,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:04,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:04,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 21:01:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:04,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:04,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:01:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:04,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:04,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:04,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:04,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:04,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:04,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:04,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:04,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 21:01:04,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553158556] [2020-10-12 21:01:04,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:04,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:01:04,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498408239] [2020-10-12 21:01:04,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:01:04,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:04,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:01:04,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:01:04,518 INFO L87 Difference]: Start difference. First operand 2269 states and 3155 transitions. Second operand 10 states. [2020-10-12 21:01:05,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:05,656 INFO L93 Difference]: Finished difference Result 4946 states and 6966 transitions. [2020-10-12 21:01:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:01:05,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-10-12 21:01:05,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:05,675 INFO L225 Difference]: With dead ends: 4946 [2020-10-12 21:01:05,675 INFO L226 Difference]: Without dead ends: 2697 [2020-10-12 21:01:05,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:01:05,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2020-10-12 21:01:05,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2309. [2020-10-12 21:01:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2020-10-12 21:01:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3179 transitions. [2020-10-12 21:01:05,876 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3179 transitions. Word has length 92 [2020-10-12 21:01:05,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:05,876 INFO L479 AbstractCegarLoop]: Abstraction has 2309 states and 3179 transitions. [2020-10-12 21:01:05,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:01:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3179 transitions. [2020-10-12 21:01:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 21:01:05,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:05,879 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:01:05,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:01:05,880 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:05,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:05,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1835313196, now seen corresponding path program 1 times [2020-10-12 21:01:05,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:05,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453813707] [2020-10-12 21:01:05,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:05,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:05,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-12 21:01:06,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:01:06,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:01:06,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 21:01:06,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:06,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:06,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:06,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:06,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:06,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:06,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:06,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:06,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:06,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:06,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:06,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:06,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:06,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:06,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:01:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:06,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:06,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:06,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:01:06,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:06,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:06,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:06,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:06,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:06,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:06,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:06,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:06,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:06,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:06,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 21:01:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:06,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:06,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:06,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:06,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:01:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:01:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:06,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:06,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:06,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:06,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:06,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 21:01:06,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453813707] [2020-10-12 21:01:06,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:06,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 21:01:06,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413647665] [2020-10-12 21:01:06,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 21:01:06,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:06,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 21:01:06,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-12 21:01:06,597 INFO L87 Difference]: Start difference. First operand 2309 states and 3179 transitions. Second operand 8 states. [2020-10-12 21:01:08,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:08,187 INFO L93 Difference]: Finished difference Result 7934 states and 12833 transitions. [2020-10-12 21:01:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 21:01:08,189 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-12 21:01:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:08,234 INFO L225 Difference]: With dead ends: 7934 [2020-10-12 21:01:08,234 INFO L226 Difference]: Without dead ends: 5646 [2020-10-12 21:01:08,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:01:08,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5646 states. [2020-10-12 21:01:08,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5646 to 4548. [2020-10-12 21:01:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4548 states. [2020-10-12 21:01:08,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 4548 states and 6649 transitions. [2020-10-12 21:01:08,713 INFO L78 Accepts]: Start accepts. Automaton has 4548 states and 6649 transitions. Word has length 92 [2020-10-12 21:01:08,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:08,714 INFO L479 AbstractCegarLoop]: Abstraction has 4548 states and 6649 transitions. [2020-10-12 21:01:08,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 21:01:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 4548 states and 6649 transitions. [2020-10-12 21:01:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-12 21:01:08,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:08,719 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:01:08,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:01:08,720 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:08,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:08,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1680764502, now seen corresponding path program 1 times [2020-10-12 21:01:08,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:08,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521811996] [2020-10-12 21:01:08,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:08,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:08,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:08,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:08,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:09,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-12 21:01:10,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:01:10,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1374 [2020-10-12 21:01:10,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 21:01:10,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:01:10,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 21:01:10,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:10,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:10,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:10,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:10,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:10,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:10,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:10,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:10,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:10,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:10,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:10,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:10,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:10,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:10,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:10,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:10,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:10,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:10,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:10,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:10,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:10,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:10,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:01:10,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:10,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:10,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:10,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:10,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:10,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:10,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:10,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:10,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:10,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:10,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:10,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:10,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:10,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:10,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:10,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:10,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:10,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:01:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:01:10,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:10,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 21:01:10,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:01:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:10,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:10,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:10,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:10,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:10,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:10,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:01:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:10,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:10,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:10,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:10,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:10,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 21:01:10,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521811996] [2020-10-12 21:01:10,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:10,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 21:01:10,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183765071] [2020-10-12 21:01:10,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:01:10,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:10,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:01:10,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:01:10,451 INFO L87 Difference]: Start difference. First operand 4548 states and 6649 transitions. Second operand 13 states. [2020-10-12 21:01:14,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:14,362 INFO L93 Difference]: Finished difference Result 5255 states and 8099 transitions. [2020-10-12 21:01:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 21:01:14,363 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 96 [2020-10-12 21:01:14,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:14,397 INFO L225 Difference]: With dead ends: 5255 [2020-10-12 21:01:14,397 INFO L226 Difference]: Without dead ends: 5252 [2020-10-12 21:01:14,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=344, Invalid=1296, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 21:01:14,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2020-10-12 21:01:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 4548. [2020-10-12 21:01:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4548 states. [2020-10-12 21:01:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 4548 states and 6645 transitions. [2020-10-12 21:01:14,789 INFO L78 Accepts]: Start accepts. Automaton has 4548 states and 6645 transitions. Word has length 96 [2020-10-12 21:01:14,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:14,791 INFO L479 AbstractCegarLoop]: Abstraction has 4548 states and 6645 transitions. [2020-10-12 21:01:14,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:01:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 4548 states and 6645 transitions. [2020-10-12 21:01:14,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-12 21:01:14,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:14,795 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:01:14,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:01:14,795 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:14,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:14,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1952555228, now seen corresponding path program 1 times [2020-10-12 21:01:14,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:14,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777426783] [2020-10-12 21:01:14,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-12 21:01:14,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 21:01:14,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:14,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-12 21:01:14,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:01:14,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:14,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:14,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:14,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:14,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:14,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:14,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:14,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:14,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:14,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:14,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:14,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:14,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:14,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:14,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:14,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:14,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:14,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:14,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:14,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:14,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:14,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:14,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 21:01:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:14,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:14,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:14,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 21:01:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:14,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:14,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:14,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:14,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:14,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:14,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:14,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 21:01:15,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777426783] [2020-10-12 21:01:15,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:15,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 21:01:15,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558687245] [2020-10-12 21:01:15,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 21:01:15,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:15,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 21:01:15,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 21:01:15,002 INFO L87 Difference]: Start difference. First operand 4548 states and 6645 transitions. Second operand 7 states. [2020-10-12 21:01:16,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:16,423 INFO L93 Difference]: Finished difference Result 13294 states and 20326 transitions. [2020-10-12 21:01:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 21:01:16,423 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-12 21:01:16,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:16,475 INFO L225 Difference]: With dead ends: 13294 [2020-10-12 21:01:16,475 INFO L226 Difference]: Without dead ends: 8773 [2020-10-12 21:01:16,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:01:16,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8773 states. [2020-10-12 21:01:17,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8773 to 8298. [2020-10-12 21:01:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8298 states. [2020-10-12 21:01:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8298 states to 8298 states and 11350 transitions. [2020-10-12 21:01:17,197 INFO L78 Accepts]: Start accepts. Automaton has 8298 states and 11350 transitions. Word has length 94 [2020-10-12 21:01:17,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:17,198 INFO L479 AbstractCegarLoop]: Abstraction has 8298 states and 11350 transitions. [2020-10-12 21:01:17,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 21:01:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 8298 states and 11350 transitions. [2020-10-12 21:01:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-12 21:01:17,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:17,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:01:17,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:01:17,204 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:17,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:17,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1223034452, now seen corresponding path program 1 times [2020-10-12 21:01:17,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:17,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345611811] [2020-10-12 21:01:17,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:17,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:17,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:17,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:17,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:17,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:17,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-12 21:01:22,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:01:22,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:01:22,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 21:01:22,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:01:22,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 21:01:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:22,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:22,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:22,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:22,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:22,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:22,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:22,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:22,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:22,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:22,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:22,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:22,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:22,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:22,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:22,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:22,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:22,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:01:22,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:22,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:22,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:22,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:22,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:22,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:22,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:22,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:22,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:22,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:22,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:22,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:22,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:22,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:22,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:01:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:01:22,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 21:01:22,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:01:22,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:22,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:22,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:01:22,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:22,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:01:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:22,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:22,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 21:01:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:01:22,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:22,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 21:01:22,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:01:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:22,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:22,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:22,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:22,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:22,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:22,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:22,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:22,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 21:01:22,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345611811] [2020-10-12 21:01:22,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:22,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 21:01:22,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187032618] [2020-10-12 21:01:22,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:01:22,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:22,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:01:22,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:01:22,764 INFO L87 Difference]: Start difference. First operand 8298 states and 11350 transitions. Second operand 15 states. [2020-10-12 21:01:29,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:29,479 INFO L93 Difference]: Finished difference Result 26635 states and 40763 transitions. [2020-10-12 21:01:29,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 21:01:29,479 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 114 [2020-10-12 21:01:29,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:29,597 INFO L225 Difference]: With dead ends: 26635 [2020-10-12 21:01:29,597 INFO L226 Difference]: Without dead ends: 21200 [2020-10-12 21:01:29,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=538, Invalid=2324, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 21:01:29,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21200 states. [2020-10-12 21:01:31,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21200 to 18258. [2020-10-12 21:01:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18258 states. [2020-10-12 21:01:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18258 states to 18258 states and 25955 transitions. [2020-10-12 21:01:31,063 INFO L78 Accepts]: Start accepts. Automaton has 18258 states and 25955 transitions. Word has length 114 [2020-10-12 21:01:31,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:31,063 INFO L479 AbstractCegarLoop]: Abstraction has 18258 states and 25955 transitions. [2020-10-12 21:01:31,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:01:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 18258 states and 25955 transitions. [2020-10-12 21:01:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-12 21:01:31,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:31,069 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 21:01:31,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:01:31,070 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:31,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:31,070 INFO L82 PathProgramCache]: Analyzing trace with hash 832480034, now seen corresponding path program 1 times [2020-10-12 21:01:31,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:31,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748422193] [2020-10-12 21:01:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:31,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:31,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:32,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-12 21:01:33,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:01:33,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2015 [2020-10-12 21:01:33,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:01:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:01:33,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-12 21:01:33,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:33,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:33,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:33,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:33,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:33,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:33,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:33,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:33,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:33,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:33,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:01:33,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:33,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:33,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:33,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:01:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:33,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:01:33,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:33,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:33,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:33,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:33,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:33,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:33,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:01:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:01:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:33,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:01:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:33,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:33,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:33,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:01:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:33,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:33,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 21:01:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:01:33,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:33,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:01:33,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:33,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:33,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 21:01:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:33,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:33,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:33,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:33,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:33,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:33,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:33,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 21:01:33,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748422193] [2020-10-12 21:01:33,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:33,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:01:33,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107905922] [2020-10-12 21:01:33,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:01:33,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:33,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:01:33,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:01:33,310 INFO L87 Difference]: Start difference. First operand 18258 states and 25955 transitions. Second operand 9 states. [2020-10-12 21:01:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:36,346 INFO L93 Difference]: Finished difference Result 38786 states and 58387 transitions. [2020-10-12 21:01:36,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 21:01:36,347 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-12 21:01:36,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:36,441 INFO L225 Difference]: With dead ends: 38786 [2020-10-12 21:01:36,441 INFO L226 Difference]: Without dead ends: 20565 [2020-10-12 21:01:36,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2020-10-12 21:01:36,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20565 states. [2020-10-12 21:01:37,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20565 to 18870. [2020-10-12 21:01:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18870 states. [2020-10-12 21:01:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18870 states to 18870 states and 26535 transitions. [2020-10-12 21:01:37,653 INFO L78 Accepts]: Start accepts. Automaton has 18870 states and 26535 transitions. Word has length 120 [2020-10-12 21:01:37,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:37,654 INFO L479 AbstractCegarLoop]: Abstraction has 18870 states and 26535 transitions. [2020-10-12 21:01:37,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:01:37,654 INFO L276 IsEmpty]: Start isEmpty. Operand 18870 states and 26535 transitions. [2020-10-12 21:01:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-12 21:01:37,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:37,659 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 21:01:37,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:01:37,660 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:37,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:37,660 INFO L82 PathProgramCache]: Analyzing trace with hash 188380002, now seen corresponding path program 1 times [2020-10-12 21:01:37,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:37,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664556713] [2020-10-12 21:01:37,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:37,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:38,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:38,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-12 21:01:39,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:01:39,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2144 [2020-10-12 21:01:39,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:01:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:01:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 21:01:39,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:39,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:39,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:39,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:39,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:39,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:39,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:39,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:39,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:39,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:39,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:39,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:39,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:01:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:39,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:39,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:39,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:39,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:39,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:01:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:39,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:39,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:39,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:01:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:01:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:01:39,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:39,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 21:01:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:39,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:39,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:01:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:39,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:39,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 21:01:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:01:39,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:39,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:39,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:39,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:39,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 21:01:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:39,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:39,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:39,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 21:01:40,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664556713] [2020-10-12 21:01:40,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:40,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 21:01:40,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882441337] [2020-10-12 21:01:40,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:01:40,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:40,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:01:40,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:01:40,008 INFO L87 Difference]: Start difference. First operand 18870 states and 26535 transitions. Second operand 10 states. [2020-10-12 21:01:40,489 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-10-12 21:01:42,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:42,991 INFO L93 Difference]: Finished difference Result 32102 states and 45473 transitions. [2020-10-12 21:01:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 21:01:42,991 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-10-12 21:01:42,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:43,048 INFO L225 Difference]: With dead ends: 32102 [2020-10-12 21:01:43,048 INFO L226 Difference]: Without dead ends: 13269 [2020-10-12 21:01:43,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-10-12 21:01:43,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13269 states. [2020-10-12 21:01:43,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13269 to 12677. [2020-10-12 21:01:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12677 states. [2020-10-12 21:01:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12677 states to 12677 states and 15272 transitions. [2020-10-12 21:01:43,995 INFO L78 Accepts]: Start accepts. Automaton has 12677 states and 15272 transitions. Word has length 120 [2020-10-12 21:01:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:43,996 INFO L479 AbstractCegarLoop]: Abstraction has 12677 states and 15272 transitions. [2020-10-12 21:01:43,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:01:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 12677 states and 15272 transitions. [2020-10-12 21:01:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-12 21:01:44,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:44,002 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2020-10-12 21:01:44,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:01:44,003 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:44,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:44,003 INFO L82 PathProgramCache]: Analyzing trace with hash -630281820, now seen corresponding path program 1 times [2020-10-12 21:01:44,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:44,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159678822] [2020-10-12 21:01:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 21:01:44,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-12 21:01:44,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 21:01:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:44,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:44,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:44,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:44,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:44,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:44,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:44,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:44,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:44,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:44,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:44,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:44,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:44,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:44,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:01:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 21:01:44,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:01:44,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:01:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:44,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:44,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:44,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:01:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:44,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:44,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:01:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:44,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:44,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:44,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:01:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:44,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:01:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:44,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 21:01:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:44,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:44,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:01:44,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:44,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 21:01:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:44,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 21:01:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:44,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:44,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 21:01:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:01:44,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:44,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:01:44,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:44,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:44,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:01:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:44,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:44,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-12 21:01:44,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159678822] [2020-10-12 21:01:44,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:44,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 21:01:44,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859022175] [2020-10-12 21:01:44,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:01:44,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:44,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:01:44,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:01:44,423 INFO L87 Difference]: Start difference. First operand 12677 states and 15272 transitions. Second operand 11 states. [2020-10-12 21:01:45,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:45,954 INFO L93 Difference]: Finished difference Result 19978 states and 24300 transitions. [2020-10-12 21:01:45,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 21:01:45,955 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 165 [2020-10-12 21:01:45,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:45,980 INFO L225 Difference]: With dead ends: 19978 [2020-10-12 21:01:45,980 INFO L226 Difference]: Without dead ends: 7338 [2020-10-12 21:01:45,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:01:46,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7338 states. [2020-10-12 21:01:46,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7338 to 7032. [2020-10-12 21:01:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7032 states. [2020-10-12 21:01:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7032 states to 7032 states and 8493 transitions. [2020-10-12 21:01:46,594 INFO L78 Accepts]: Start accepts. Automaton has 7032 states and 8493 transitions. Word has length 165 [2020-10-12 21:01:46,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:46,594 INFO L479 AbstractCegarLoop]: Abstraction has 7032 states and 8493 transitions. [2020-10-12 21:01:46,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:01:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 7032 states and 8493 transitions. [2020-10-12 21:01:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-12 21:01:46,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:46,599 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 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] [2020-10-12 21:01:46,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:01:46,599 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:46,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:46,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1461298852, now seen corresponding path program 1 times [2020-10-12 21:01:46,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:46,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551007849] [2020-10-12 21:01:46,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-12 21:01:46,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:46,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-12 21:01:46,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:46,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:46,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:01:46,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:46,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:46,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:46,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:46,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:46,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:46,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:46,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:46,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:46,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 21:01:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:46,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:46,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:46,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:01:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:46,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:46,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:01:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 21:01:46,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:01:46,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:01:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:46,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:01:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:46,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:01:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:01:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 21:01:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:46,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:01:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:46,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:01:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 21:01:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:46,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:46,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 21:01:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 21:01:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:01:46,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:46,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:01:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:46,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 21:01:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:46,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:46,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:46,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:46,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:46,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-12 21:01:46,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551007849] [2020-10-12 21:01:46,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:46,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:01:46,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290819849] [2020-10-12 21:01:46,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:01:46,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:46,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:01:46,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:01:46,955 INFO L87 Difference]: Start difference. First operand 7032 states and 8493 transitions. Second operand 9 states. [2020-10-12 21:01:48,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:48,162 INFO L93 Difference]: Finished difference Result 13444 states and 16257 transitions. [2020-10-12 21:01:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:01:48,162 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2020-10-12 21:01:48,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:48,185 INFO L225 Difference]: With dead ends: 13444 [2020-10-12 21:01:48,186 INFO L226 Difference]: Without dead ends: 7022 [2020-10-12 21:01:48,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:01:48,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7022 states. [2020-10-12 21:01:48,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7022 to 6974. [2020-10-12 21:01:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6974 states. [2020-10-12 21:01:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6974 states to 6974 states and 8422 transitions. [2020-10-12 21:01:48,607 INFO L78 Accepts]: Start accepts. Automaton has 6974 states and 8422 transitions. Word has length 168 [2020-10-12 21:01:48,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:48,607 INFO L479 AbstractCegarLoop]: Abstraction has 6974 states and 8422 transitions. [2020-10-12 21:01:48,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:01:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6974 states and 8422 transitions. [2020-10-12 21:01:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-12 21:01:48,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:48,613 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:01:48,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:01:48,613 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:48,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:48,614 INFO L82 PathProgramCache]: Analyzing trace with hash -72876612, now seen corresponding path program 1 times [2020-10-12 21:01:48,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:48,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703285253] [2020-10-12 21:01:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:48,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 21:01:49,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:01:49,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-12 21:01:49,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:01:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:01:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 21:01:49,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:49,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:49,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:49,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:49,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:49,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:49,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:49,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:49,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:49,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:49,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:49,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:49,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:49,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:49,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:01:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:49,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:49,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:49,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:49,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:49,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:01:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 21:01:49,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:49,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 21:01:49,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:01:49,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:49,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:49,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:49,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:49,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:01:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:49,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:49,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:01:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:01:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:49,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:49,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:01:49,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 21:01:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:49,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:49,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 21:01:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:49,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 21:01:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:49,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:49,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:01:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:49,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:49,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:01:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:49,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 21:01:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:49,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:49,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:49,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 21:01:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:01:49,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:49,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:01:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:49,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:01:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:49,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:49,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:49,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:49,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:49,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:49,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-12 21:01:49,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703285253] [2020-10-12 21:01:49,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:49,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 21:01:49,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031433925] [2020-10-12 21:01:49,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:01:49,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:49,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:01:49,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:01:49,688 INFO L87 Difference]: Start difference. First operand 6974 states and 8422 transitions. Second operand 12 states. [2020-10-12 21:01:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:52,790 INFO L93 Difference]: Finished difference Result 18061 states and 22110 transitions. [2020-10-12 21:01:52,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 21:01:52,795 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2020-10-12 21:01:52,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:52,823 INFO L225 Difference]: With dead ends: 18061 [2020-10-12 21:01:52,823 INFO L226 Difference]: Without dead ends: 10943 [2020-10-12 21:01:52,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=314, Invalid=1018, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:01:52,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10943 states. [2020-10-12 21:01:53,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10943 to 10796. [2020-10-12 21:01:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10796 states. [2020-10-12 21:01:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10796 states to 10796 states and 13030 transitions. [2020-10-12 21:01:53,549 INFO L78 Accepts]: Start accepts. Automaton has 10796 states and 13030 transitions. Word has length 174 [2020-10-12 21:01:53,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:53,550 INFO L479 AbstractCegarLoop]: Abstraction has 10796 states and 13030 transitions. [2020-10-12 21:01:53,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:01:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 10796 states and 13030 transitions. [2020-10-12 21:01:53,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-12 21:01:53,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:53,554 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 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] [2020-10-12 21:01:53,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 21:01:53,554 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:53,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:53,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1265383008, now seen corresponding path program 1 times [2020-10-12 21:01:53,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:53,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678353941] [2020-10-12 21:01:53,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-12 21:01:53,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-12 21:01:53,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 21:01:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:01:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 21:01:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:53,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:53,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:53,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:53,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:53,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:01:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:53,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:01:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:53,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:53,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:53,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:01:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:01:53,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:53,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:01:53,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:53,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:53,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:53,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:01:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:53,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:53,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:53,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:53,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:01:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:53,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:01:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:53,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 21:01:54,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 21:01:54,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 21:01:54,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:54,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-12 21:01:54,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:01:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:54,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:54,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:54,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:01:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:54,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:54,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:54,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:54,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:01:54,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:01:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:54,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:54,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:54,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:01:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:54,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:54,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:01:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 21:01:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:54,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:54,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:01:54,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 21:01:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:54,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:54,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:01:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:54,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:54,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 21:01:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:54,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:54,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:01:54,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:54,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:54,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:54,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:54,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:54,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 21:01:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:01:54,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:54,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:01:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 21:01:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:54,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:54,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:01:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:01:54,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:54,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:01:54,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:54,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:54,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 21:01:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:54,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:01:54,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-12 21:01:54,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678353941] [2020-10-12 21:01:54,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:01:54,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 21:01:54,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465652877] [2020-10-12 21:01:54,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:01:54,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:54,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:01:54,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:01:54,191 INFO L87 Difference]: Start difference. First operand 10796 states and 13030 transitions. Second operand 13 states. [2020-10-12 21:01:58,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:58,575 INFO L93 Difference]: Finished difference Result 12750 states and 15798 transitions. [2020-10-12 21:01:58,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 21:01:58,575 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 186 [2020-10-12 21:01:58,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:58,615 INFO L225 Difference]: With dead ends: 12750 [2020-10-12 21:01:58,615 INFO L226 Difference]: Without dead ends: 11667 [2020-10-12 21:01:58,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=381, Invalid=1179, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 21:01:58,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11667 states. [2020-10-12 21:01:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11667 to 10785. [2020-10-12 21:01:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10785 states. [2020-10-12 21:01:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10785 states to 10785 states and 13016 transitions. [2020-10-12 21:01:59,751 INFO L78 Accepts]: Start accepts. Automaton has 10785 states and 13016 transitions. Word has length 186 [2020-10-12 21:01:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:59,752 INFO L479 AbstractCegarLoop]: Abstraction has 10785 states and 13016 transitions. [2020-10-12 21:01:59,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:01:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 10785 states and 13016 transitions. [2020-10-12 21:01:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-12 21:01:59,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:59,754 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 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] [2020-10-12 21:01:59,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 21:01:59,755 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:59,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:59,755 INFO L82 PathProgramCache]: Analyzing trace with hash -888397994, now seen corresponding path program 1 times [2020-10-12 21:01:59,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:59,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386002685] [2020-10-12 21:01:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:59,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:59,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:59,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:59,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 21:02:00,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:02:00,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-10-12 21:02:00,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:02:00,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:02:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-12 21:02:00,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:00,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:00,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:00,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:00,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:02:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:00,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:02:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:00,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:00,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:00,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:00,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:02:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:00,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:02:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 21:02:00,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:02:00,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 21:02:00,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:00,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:02:00,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:00,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:00,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:02:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 21:02:00,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:00,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:00,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:00,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:02:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:00,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:00,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 21:02:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:00,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 21:02:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:00,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 21:02:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:00,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:00,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:02:00,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:02:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:02:00,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:00,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:02:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 21:02:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:00,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:00,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:00,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 21:02:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:00,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 21:02:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:00,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:00,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:02:00,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:00,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:00,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:00,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 21:02:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:00,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:00,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:00,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-12 21:02:00,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386002685] [2020-10-12 21:02:00,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:00,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 21:02:00,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009072778] [2020-10-12 21:02:00,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:02:00,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:00,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:02:00,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:02:00,476 INFO L87 Difference]: Start difference. First operand 10785 states and 13016 transitions. Second operand 12 states. [2020-10-12 21:02:04,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:04,010 INFO L93 Difference]: Finished difference Result 23122 states and 28552 transitions. [2020-10-12 21:02:04,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 21:02:04,010 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 188 [2020-10-12 21:02:04,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:04,029 INFO L225 Difference]: With dead ends: 23122 [2020-10-12 21:02:04,029 INFO L226 Difference]: Without dead ends: 7972 [2020-10-12 21:02:04,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=313, Invalid=1093, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 21:02:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7972 states. [2020-10-12 21:02:04,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7972 to 7636. [2020-10-12 21:02:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7636 states. [2020-10-12 21:02:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7636 states to 7636 states and 8780 transitions. [2020-10-12 21:02:04,448 INFO L78 Accepts]: Start accepts. Automaton has 7636 states and 8780 transitions. Word has length 188 [2020-10-12 21:02:04,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:04,448 INFO L479 AbstractCegarLoop]: Abstraction has 7636 states and 8780 transitions. [2020-10-12 21:02:04,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:02:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 7636 states and 8780 transitions. [2020-10-12 21:02:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-12 21:02:04,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:04,453 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:02:04,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 21:02:04,454 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:04,454 INFO L82 PathProgramCache]: Analyzing trace with hash -666917010, now seen corresponding path program 1 times [2020-10-12 21:02:04,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:04,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187108766] [2020-10-12 21:02:04,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:04,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:04,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:04,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:04,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:04,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:05,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-12 21:02:07,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:02:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3225 [2020-10-12 21:02:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:02:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:02:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-12 21:02:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:07,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:07,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:07,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:07,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:07,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:07,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:02:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:07,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:07,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:02:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:07,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:07,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:07,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:02:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:07,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:07,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:02:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:02:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 21:02:07,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 21:02:07,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 21:02:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:07,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:02:07,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:07,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:07,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:02:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 21:02:07,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:07,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:07,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:02:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:07,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 21:02:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:07,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:07,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 21:02:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:07,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:07,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 21:02:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:07,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:07,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:02:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:07,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:07,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:07,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:07,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 21:02:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:07,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 21:02:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:07,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 21:02:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:07,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:02:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:07,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 21:02:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:02:07,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:08,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-12 21:02:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:08,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:02:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:08,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:08,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 21:02:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:08,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:08,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 21:02:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:08,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:08,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-12 21:02:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:08,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 21:02:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:08,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:08,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:02:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:08,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:08,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-12 21:02:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:08,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 21:02:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:08,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-12 21:02:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:08,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:08,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:02:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:08,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-12 21:02:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:08,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:08,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:08,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:08,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:08,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:08,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:08,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2020-10-12 21:02:08,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187108766] [2020-10-12 21:02:08,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:08,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 21:02:08,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872948338] [2020-10-12 21:02:08,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:02:08,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:08,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:02:08,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:02:08,090 INFO L87 Difference]: Start difference. First operand 7636 states and 8780 transitions. Second operand 12 states. [2020-10-12 21:02:10,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:10,236 INFO L93 Difference]: Finished difference Result 13842 states and 16088 transitions. [2020-10-12 21:02:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:02:10,236 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 285 [2020-10-12 21:02:10,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:10,252 INFO L225 Difference]: With dead ends: 13842 [2020-10-12 21:02:10,252 INFO L226 Difference]: Without dead ends: 6614 [2020-10-12 21:02:10,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=265, Invalid=925, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 21:02:10,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6614 states. [2020-10-12 21:02:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6614 to 6498. [2020-10-12 21:02:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6498 states. [2020-10-12 21:02:10,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6498 states to 6498 states and 7362 transitions. [2020-10-12 21:02:10,660 INFO L78 Accepts]: Start accepts. Automaton has 6498 states and 7362 transitions. Word has length 285 [2020-10-12 21:02:10,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:10,660 INFO L479 AbstractCegarLoop]: Abstraction has 6498 states and 7362 transitions. [2020-10-12 21:02:10,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:02:10,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6498 states and 7362 transitions. [2020-10-12 21:02:10,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-10-12 21:02:10,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:10,666 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 5, 5, 5, 5, 5, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:02:10,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 21:02:10,666 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:10,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:10,666 INFO L82 PathProgramCache]: Analyzing trace with hash 283486651, now seen corresponding path program 1 times [2020-10-12 21:02:10,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:10,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435498424] [2020-10-12 21:02:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:10,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:10,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:10,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:10,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:11,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:11,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:11,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-10-12 21:02:15,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:02:15,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:02:15,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:02:15,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 226 [2020-10-12 21:02:15,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 21:02:15,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:15,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:15,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:15,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:15,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:15,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:02:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:15,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:15,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:02:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:15,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:15,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:15,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:15,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:15,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:02:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:15,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:02:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 21:02:15,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:02:15,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:15,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:02:15,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:15,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:15,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:15,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:02:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 21:02:15,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:15,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:15,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:02:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:15,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:15,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 21:02:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:15,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 21:02:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:15,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 21:02:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:15,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:15,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:15,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:15,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:15,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 21:02:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:15,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 21:02:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:15,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:15,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 21:02:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:15,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:15,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:15,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:15,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:02:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:15,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:15,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:02:15,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:02:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:15,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:15,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:15,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:15,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:15,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:15,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:15,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:15,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:16,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:16,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:02:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 21:02:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:16,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:16,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:16,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:16,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:16,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 21:02:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:16,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:16,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:02:16,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:16,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:16,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:16,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 21:02:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:02:16,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:02:16,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:02:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:02:16,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:16,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:16,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:02:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:16,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:02:16,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:02:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:02:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 21:02:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:16,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:16,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 21:02:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:16,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:16,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 21:02:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:16,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:16,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-12 21:02:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:16,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:16,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:02:16,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:16,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:16,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:16,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:16,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:16,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-12 21:02:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:16,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:16,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-12 21:02:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:16,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:16,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-12 21:02:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:16,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:16,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:02:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:16,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:16,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-12 21:02:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:16,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:16,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:16,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:16,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 101 proven. 14 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-10-12 21:02:16,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435498424] [2020-10-12 21:02:16,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:16,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 21:02:16,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793170782] [2020-10-12 21:02:16,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 21:02:16,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:16,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 21:02:16,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:02:16,250 INFO L87 Difference]: Start difference. First operand 6498 states and 7362 transitions. Second operand 18 states. [2020-10-12 21:02:21,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:21,923 INFO L93 Difference]: Finished difference Result 12712 states and 14589 transitions. [2020-10-12 21:02:21,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-12 21:02:21,923 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 317 [2020-10-12 21:02:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:21,937 INFO L225 Difference]: With dead ends: 12712 [2020-10-12 21:02:21,937 INFO L226 Difference]: Without dead ends: 6622 [2020-10-12 21:02:21,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1404 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1039, Invalid=3931, Unknown=0, NotChecked=0, Total=4970 [2020-10-12 21:02:21,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6622 states. [2020-10-12 21:02:22,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6622 to 6567. [2020-10-12 21:02:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6567 states. [2020-10-12 21:02:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 7374 transitions. [2020-10-12 21:02:22,275 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 7374 transitions. Word has length 317 [2020-10-12 21:02:22,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:22,275 INFO L479 AbstractCegarLoop]: Abstraction has 6567 states and 7374 transitions. [2020-10-12 21:02:22,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 21:02:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 7374 transitions. [2020-10-12 21:02:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-12 21:02:22,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:22,280 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:02:22,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 21:02:22,281 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:22,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:22,281 INFO L82 PathProgramCache]: Analyzing trace with hash -171903669, now seen corresponding path program 1 times [2020-10-12 21:02:22,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:22,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [615817714] [2020-10-12 21:02:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 418 [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 226 [2020-10-12 21:02:22,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:22,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:22,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:22,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:22,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:22,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:02:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:22,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:02:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:22,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:22,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:22,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:22,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:22,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:22,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:22,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:22,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:02:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:22,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:22,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:02:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 21:02:22,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:02:22,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:02:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:22,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:22,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:22,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:22,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:22,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:22,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:22,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:22,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:02:23,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:23,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:02:23,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:23,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:02:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 21:02:23,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:23,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 21:02:23,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:23,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:02:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 21:02:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:23,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:23,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 21:02:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:23,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:23,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 21:02:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 21:02:23,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:02:23,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:02:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:02:23,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:02:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:23,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:02:23,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 21:02:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 21:02:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 21:02:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:23,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:23,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 21:02:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:23,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:02:23,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:02:23,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:23,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 21:02:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:23,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:02:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:02:23,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 21:02:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:02:23,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:02:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:02:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:23,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:23,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:02:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:23,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:23,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:02:23,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 21:02:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-12 21:02:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:23,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:23,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 21:02:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:23,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:23,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-12 21:02:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:23,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:23,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:02:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:02:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:02:23,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:23,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-12 21:02:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:23,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-12 21:02:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-12 21:02:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:23,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:23,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:02:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-10-12 21:02:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:23,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 95 proven. 24 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-10-12 21:02:23,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [615817714] [2020-10-12 21:02:23,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:23,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 21:02:23,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085962919] [2020-10-12 21:02:23,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:02:23,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:23,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:02:23,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:02:23,299 INFO L87 Difference]: Start difference. First operand 6567 states and 7374 transitions. Second operand 13 states. [2020-10-12 21:02:25,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:25,441 INFO L93 Difference]: Finished difference Result 11479 states and 13161 transitions. [2020-10-12 21:02:25,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 21:02:25,442 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 318 [2020-10-12 21:02:25,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:25,527 INFO L225 Difference]: With dead ends: 11479 [2020-10-12 21:02:25,527 INFO L226 Difference]: Without dead ends: 4950 [2020-10-12 21:02:25,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2020-10-12 21:02:25,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4950 states. [2020-10-12 21:02:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4950 to 4892. [2020-10-12 21:02:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4892 states. [2020-10-12 21:02:25,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4892 states to 4892 states and 5410 transitions. [2020-10-12 21:02:25,814 INFO L78 Accepts]: Start accepts. Automaton has 4892 states and 5410 transitions. Word has length 318 [2020-10-12 21:02:25,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:25,815 INFO L479 AbstractCegarLoop]: Abstraction has 4892 states and 5410 transitions. [2020-10-12 21:02:25,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:02:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 4892 states and 5410 transitions. [2020-10-12 21:02:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-12 21:02:25,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:25,820 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:02:25,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 21:02:25,820 INFO L427 AbstractCegarLoop]: === Iteration 21 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:25,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:25,820 INFO L82 PathProgramCache]: Analyzing trace with hash -493769536, now seen corresponding path program 1 times [2020-10-12 21:02:25,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:25,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145767141] [2020-10-12 21:02:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:25,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:25,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 446 [2020-10-12 21:02:25,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:25,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 21:02:25,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:25,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:25,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:02:25,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:02:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:25,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:25,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:25,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:25,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:25,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:25,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:25,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:26,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:26,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:26,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:02:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:26,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:02:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:02:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:26,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:26,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:02:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:26,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:26,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:02:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:26,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:02:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 21:02:26,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:02:26,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 21:02:26,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:26,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:26,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:02:26,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:26,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:26,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:02:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:26,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:02:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 21:02:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 21:02:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 21:02:26,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:26,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 21:02:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:26,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 21:02:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:26,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 21:02:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:26,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 21:02:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:26,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:26,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 21:02:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:26,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:02:26,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 21:02:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:26,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:26,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:02:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:26,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:26,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 21:02:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 21:02:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:26,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:26,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:02:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:26,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:02:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 21:02:26,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:26,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-12 21:02:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:26,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:02:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:26,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 21:02:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:26,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 21:02:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:26,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 21:02:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 21:02:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:26,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 21:02:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:26,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-12 21:02:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:26,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-12 21:02:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-12 21:02:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:26,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:02:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-12 21:02:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:26,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:26,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:02:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:26,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:26,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-10-12 21:02:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-12 21:02:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:26,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:26,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:02:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:26,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:26,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-10-12 21:02:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:26,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:26,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:26,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:26,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:26,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:26,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:26,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:26,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:02:26,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:26,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2020-10-12 21:02:26,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145767141] [2020-10-12 21:02:26,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:02:26,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:02:26,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323382041] [2020-10-12 21:02:26,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:02:26,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:26,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:02:26,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:02:26,436 INFO L87 Difference]: Start difference. First operand 4892 states and 5410 transitions. Second operand 11 states. [2020-10-12 21:02:27,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:27,947 INFO L93 Difference]: Finished difference Result 4914 states and 5438 transitions. [2020-10-12 21:02:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:02:27,948 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 336 [2020-10-12 21:02:27,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:27,962 INFO L225 Difference]: With dead ends: 4914 [2020-10-12 21:02:27,962 INFO L226 Difference]: Without dead ends: 4341 [2020-10-12 21:02:27,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:02:27,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4341 states. [2020-10-12 21:02:28,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4341 to 4322. [2020-10-12 21:02:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4322 states. [2020-10-12 21:02:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4322 states to 4322 states and 4796 transitions. [2020-10-12 21:02:28,594 INFO L78 Accepts]: Start accepts. Automaton has 4322 states and 4796 transitions. Word has length 336 [2020-10-12 21:02:28,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:28,595 INFO L479 AbstractCegarLoop]: Abstraction has 4322 states and 4796 transitions. [2020-10-12 21:02:28,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:02:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 4322 states and 4796 transitions. [2020-10-12 21:02:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-12 21:02:28,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:28,604 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:02:28,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 21:02:28,604 INFO L427 AbstractCegarLoop]: === Iteration 22 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:28,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:28,605 INFO L82 PathProgramCache]: Analyzing trace with hash -62311811, now seen corresponding path program 1 times [2020-10-12 21:02:28,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:28,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389257118] [2020-10-12 21:02:28,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:28,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:28,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:28,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 442 [2020-10-12 21:02:28,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:28,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-12 21:02:28,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:02:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 361 [2020-10-12 21:02:28,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:28,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:28,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:28,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:28,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:28,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:28,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:28,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:28,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:28,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:28,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:28,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:28,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:28,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:28,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:28,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:28,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:28,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:28,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:28,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:28,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:28,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:02:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:29,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:29,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:02:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:29,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:29,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:29,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:02:29,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:02:29,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:29,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:02:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:29,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:29,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:02:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 21:02:29,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 21:02:29,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 21:02:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:29,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:02:29,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:29,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:29,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 21:02:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 21:02:29,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:29,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:29,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 21:02:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 21:02:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:29,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:29,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 21:02:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:29,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 21:02:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:02:29,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:02:29,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 21:02:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:29,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 21:02:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 21:02:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 21:02:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:29,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 21:02:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:29,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:02:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:29,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:02:29,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:02:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:29,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 21:02:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:29,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:29,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:29,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 21:02:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:29,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:29,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:29,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:29,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 21:02:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 21:02:29,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 21:02:29,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-12 21:02:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:29,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:29,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:29,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:02:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:29,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:29,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 21:02:29,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 21:02:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:29,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 21:02:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:29,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 21:02:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-12 21:02:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:29,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:29,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 21:02:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:29,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:29,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-12 21:02:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:02:29,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:02:29,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:02:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:29,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:29,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 21:02:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:29,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:29,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-10-12 21:02:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:02:29,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:29,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 21:02:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-12 21:02:29,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-10-12 21:02:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:29,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:29,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-12 21:02:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:02:29,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:29,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:02:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:29,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-12 21:02:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:29,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:29,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:29,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:29,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:29,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:29,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:02:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:29,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2020-10-12 21:02:29,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389257118] [2020-10-12 21:02:29,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:02:29,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:02:29,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882919743] [2020-10-12 21:02:29,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:02:29,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:29,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:02:29,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:02:29,784 INFO L87 Difference]: Start difference. First operand 4322 states and 4796 transitions. Second operand 12 states. [2020-10-12 21:02:32,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:32,294 INFO L93 Difference]: Finished difference Result 7427 states and 8255 transitions. [2020-10-12 21:02:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:02:32,295 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 338 [2020-10-12 21:02:32,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:32,309 INFO L225 Difference]: With dead ends: 7427 [2020-10-12 21:02:32,309 INFO L226 Difference]: Without dead ends: 2958 [2020-10-12 21:02:32,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:02:32,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2958 states. [2020-10-12 21:02:32,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2958 to 2893. [2020-10-12 21:02:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2893 states. [2020-10-12 21:02:32,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 3168 transitions. [2020-10-12 21:02:32,650 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 3168 transitions. Word has length 338 [2020-10-12 21:02:32,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:32,651 INFO L479 AbstractCegarLoop]: Abstraction has 2893 states and 3168 transitions. [2020-10-12 21:02:32,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:02:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3168 transitions. [2020-10-12 21:02:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-12 21:02:32,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:32,655 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 21:02:32,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 21:02:32,655 INFO L427 AbstractCegarLoop]: === Iteration 23 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:32,656 INFO L82 PathProgramCache]: Analyzing trace with hash -640042898, now seen corresponding path program 1 times [2020-10-12 21:02:32,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:32,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523818332] [2020-10-12 21:02:32,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 21:02:32,709 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 21:02:32,710 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 21:02:32,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 21:02:32,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:02:32 BoogieIcfgContainer [2020-10-12 21:02:32,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 21:02:32,786 INFO L168 Benchmark]: Toolchain (without parser) took 126064.34 ms. Allocated memory was 141.0 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 104.4 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 390.7 MB. Max. memory is 7.1 GB. [2020-10-12 21:02:32,787 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 21:02:32,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.33 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 181.7 MB in the end (delta: -77.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-10-12 21:02:32,788 INFO L168 Benchmark]: Boogie Preprocessor took 46.70 ms. Allocated memory is still 203.9 MB. Free memory was 181.7 MB in the beginning and 179.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-12 21:02:32,789 INFO L168 Benchmark]: RCFGBuilder took 577.92 ms. Allocated memory is still 203.9 MB. Free memory was 179.0 MB in the beginning and 146.3 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2020-10-12 21:02:32,789 INFO L168 Benchmark]: TraceAbstraction took 124998.45 ms. Allocated memory was 203.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 145.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 369.1 MB. Max. memory is 7.1 GB. [2020-10-12 21:02:32,795 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 432.33 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 181.7 MB in the end (delta: -77.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.70 ms. Allocated memory is still 203.9 MB. Free memory was 181.7 MB in the beginning and 179.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 577.92 ms. Allocated memory is still 203.9 MB. Free memory was 179.0 MB in the beginning and 146.3 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 124998.45 ms. Allocated memory was 203.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 145.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 369.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int max_loop ; [L16] int num ; [L17] int i ; [L18] int e ; [L19] int timer ; [L20] char data_0 ; [L21] char data_1 ; [L64] int P_1_pc; [L65] int P_1_st ; [L66] int P_1_i ; [L67] int P_1_ev ; [L122] int C_1_pc ; [L123] int C_1_st ; [L124] int C_1_i ; [L125] int C_1_ev ; [L126] int C_1_pr ; [L490] int count ; [L491] int __retres2 ; [L495] num = 0 [L496] i = 0 [L497] max_loop = 2 [L499] timer = 0 [L500] P_1_pc = 0 [L501] C_1_pc = 0 [L503] count = 0 [L504] CALL init_model() [L483] P_1_i = 1 [L484] C_1_i = 1 [L504] RET init_model() [L505] CALL start_simulation() [L421] int kernel_st ; [L422] int tmp ; [L423] int tmp___0 ; [L427] kernel_st = 0 [L428] FCALL update_channels() [L429] CALL init_threads() [L226] COND TRUE (int )P_1_i == 1 [L227] P_1_st = 0 [L231] COND TRUE (int )C_1_i == 1 [L232] C_1_st = 0 [L429] RET init_threads() [L430] FCALL fire_delta_events() [L431] CALL activate_threads() [L365] int tmp ; [L366] int tmp___0 ; [L367] int tmp___1 ; [L371] CALL, EXPR is_P_1_triggered() [L104] int __retres1 ; [L107] COND FALSE !((int )P_1_pc == 1) [L117] __retres1 = 0 [L119] return (__retres1); [L371] RET, EXPR is_P_1_triggered() [L371] tmp = is_P_1_triggered() [L373] COND FALSE !(\read(tmp)) [L379] CALL, EXPR is_C_1_triggered() [L186] int __retres1 ; [L189] COND FALSE !((int )C_1_pc == 1) [L199] COND FALSE !((int )C_1_pc == 2) [L209] __retres1 = 0 [L211] return (__retres1); [L379] RET, EXPR is_C_1_triggered() [L379] tmp___1 = is_C_1_triggered() [L381] COND FALSE !(\read(tmp___1)) [L431] RET activate_threads() [L432] FCALL reset_delta_events() [L435] COND TRUE 1 [L438] kernel_st = 1 [L439] CALL eval() [L262] int tmp ; [L263] int tmp___0 ; [L264] int tmp___1 ; [L265] int tmp___2 ; [L269] COND TRUE 1 [L272] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE (int )P_1_st == 0 [L245] __retres1 = 1 [L258] return (__retres1); [L272] RET, EXPR exists_runnable_thread() [L272] tmp___2 = exists_runnable_thread() [L274] COND TRUE \read(tmp___2) [L279] COND TRUE (int )P_1_st == 0 [L281] tmp = __VERIFIER_nondet_int() [L283] COND FALSE !(\read(tmp)) [L294] COND TRUE (int )C_1_st == 0 [L296] tmp___1 = __VERIFIER_nondet_int() [L298] COND TRUE \read(tmp___1) [L300] C_1_st = 1 [L301] CALL C_1() [L128] char c ; [L131] COND TRUE (int )C_1_pc == 0 [L146] COND TRUE i < max_loop [L148] COND TRUE num == 0 [L149] timer = 1 [L150] i += 1 [L151] C_1_pc = 1 [L152] C_1_st = 2 [L301] RET C_1() [L269] COND TRUE 1 [L272] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE (int )P_1_st == 0 [L245] __retres1 = 1 [L258] return (__retres1); [L272] RET, EXPR exists_runnable_thread() [L272] tmp___2 = exists_runnable_thread() [L274] COND TRUE \read(tmp___2) [L279] COND TRUE (int )P_1_st == 0 [L281] tmp = __VERIFIER_nondet_int() [L283] COND TRUE \read(tmp) [L285] P_1_st = 1 [L286] CALL P_1() [L72] COND TRUE (int )P_1_pc == 0 [L83] COND TRUE i < max_loop [L86] CALL write_data(num, 'A') [L49] COND TRUE i___0 == 0 [L50] data_0 = c [L86] RET write_data(num, 'A') [L87] num += 1 [L88] P_1_pc = 1 [L89] P_1_st = 2 [L286] RET P_1() [L294] COND FALSE !((int )C_1_st == 0) [L269] COND TRUE 1 [L272] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND FALSE !((int )P_1_st == 0) [L248] COND FALSE !((int )C_1_st == 0) [L256] __retres1 = 0 [L258] return (__retres1); [L272] RET, EXPR exists_runnable_thread() [L272] tmp___2 = exists_runnable_thread() [L274] COND FALSE !(\read(tmp___2)) [L439] RET eval() [L442] kernel_st = 2 [L443] FCALL update_channels() [L446] kernel_st = 3 [L447] FCALL fire_delta_events() [L448] CALL activate_threads() [L365] int tmp ; [L366] int tmp___0 ; [L367] int tmp___1 ; [L371] CALL, EXPR is_P_1_triggered() [L104] int __retres1 ; [L107] COND TRUE (int )P_1_pc == 1 [L108] COND FALSE !((int )P_1_ev == 1) [L117] __retres1 = 0 [L119] return (__retres1); [L371] RET, EXPR is_P_1_triggered() [L371] tmp = is_P_1_triggered() [L373] COND FALSE !(\read(tmp)) [L379] CALL, EXPR is_C_1_triggered() [L186] int __retres1 ; [L189] COND TRUE (int )C_1_pc == 1 [L190] COND FALSE !((int )e == 1) [L199] COND FALSE !((int )C_1_pc == 2) [L209] __retres1 = 0 [L211] return (__retres1); [L379] RET, EXPR is_C_1_triggered() [L379] tmp___1 = is_C_1_triggered() [L381] COND FALSE !(\read(tmp___1)) [L448] RET activate_threads() [L449] FCALL reset_delta_events() [L452] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND FALSE !((int )P_1_st == 0) [L248] COND FALSE !((int )C_1_st == 0) [L256] __retres1 = 0 [L258] return (__retres1); [L452] RET, EXPR exists_runnable_thread() [L452] tmp = exists_runnable_thread() [L454] COND TRUE tmp == 0 [L456] kernel_st = 4 [L457] CALL fire_time_events() [L336] C_1_ev = 1 [L338] P_1_ev = 1 [L457] RET fire_time_events() [L458] CALL activate_threads() [L365] int tmp ; [L366] int tmp___0 ; [L367] int tmp___1 ; [L371] CALL, EXPR is_P_1_triggered() [L104] int __retres1 ; [L107] COND TRUE (int )P_1_pc == 1 [L108] COND TRUE (int )P_1_ev == 1 [L109] __retres1 = 1 [L119] return (__retres1); [L371] RET, EXPR is_P_1_triggered() [L371] tmp = is_P_1_triggered() [L373] COND TRUE \read(tmp) [L374] P_1_st = 0 [L379] CALL, EXPR is_C_1_triggered() [L186] int __retres1 ; [L189] COND TRUE (int )C_1_pc == 1 [L190] COND FALSE !((int )e == 1) [L199] COND FALSE !((int )C_1_pc == 2) [L209] __retres1 = 0 [L211] return (__retres1); [L379] RET, EXPR is_C_1_triggered() [L379] tmp___1 = is_C_1_triggered() [L381] COND FALSE !(\read(tmp___1)) [L458] RET activate_threads() [L459] CALL reset_time_events() [L350] COND TRUE (int )P_1_ev == 1 [L351] P_1_ev = 2 [L355] COND TRUE (int )C_1_ev == 1 [L356] C_1_ev = 2 [L459] RET reset_time_events() [L465] CALL, EXPR stop_simulation() [L402] int tmp ; [L403] int __retres2 ; [L407] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE (int )P_1_st == 0 [L245] __retres1 = 1 [L258] return (__retres1); [L407] RET, EXPR exists_runnable_thread() [L407] tmp = exists_runnable_thread() [L409] COND TRUE \read(tmp) [L410] __retres2 = 0 [L417] return (__retres2); [L465] RET, EXPR stop_simulation() [L465] tmp___0 = stop_simulation() [L467] COND FALSE !(\read(tmp___0)) [L435] COND TRUE 1 [L438] kernel_st = 1 [L439] CALL eval() [L262] int tmp ; [L263] int tmp___0 ; [L264] int tmp___1 ; [L265] int tmp___2 ; [L269] COND TRUE 1 [L272] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE (int )P_1_st == 0 [L245] __retres1 = 1 [L258] return (__retres1); [L272] RET, EXPR exists_runnable_thread() [L272] tmp___2 = exists_runnable_thread() [L274] COND TRUE \read(tmp___2) [L279] COND TRUE (int )P_1_st == 0 [L281] tmp = __VERIFIER_nondet_int() [L283] COND TRUE \read(tmp) [L285] P_1_st = 1 [L286] CALL P_1() [L72] COND FALSE !((int )P_1_pc == 0) [L75] COND TRUE (int )P_1_pc == 1 [L83] COND TRUE i < max_loop [L86] CALL write_data(num, 'A') [L49] COND FALSE !(i___0 == 0) [L52] COND TRUE i___0 == 1 [L53] data_1 = c [L86] RET write_data(num, 'A') [L87] num += 1 [L88] P_1_pc = 1 [L89] P_1_st = 2 [L286] RET P_1() [L294] COND FALSE !((int )C_1_st == 0) [L269] COND TRUE 1 [L272] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND FALSE !((int )P_1_st == 0) [L248] COND FALSE !((int )C_1_st == 0) [L256] __retres1 = 0 [L258] return (__retres1); [L272] RET, EXPR exists_runnable_thread() [L272] tmp___2 = exists_runnable_thread() [L274] COND FALSE !(\read(tmp___2)) [L439] RET eval() [L442] kernel_st = 2 [L443] FCALL update_channels() [L446] kernel_st = 3 [L447] FCALL fire_delta_events() [L448] CALL activate_threads() [L365] int tmp ; [L366] int tmp___0 ; [L367] int tmp___1 ; [L371] CALL, EXPR is_P_1_triggered() [L104] int __retres1 ; [L107] COND TRUE (int )P_1_pc == 1 [L108] COND FALSE !((int )P_1_ev == 1) [L117] __retres1 = 0 [L119] return (__retres1); [L371] RET, EXPR is_P_1_triggered() [L371] tmp = is_P_1_triggered() [L373] COND FALSE !(\read(tmp)) [L379] CALL, EXPR is_C_1_triggered() [L186] int __retres1 ; [L189] COND TRUE (int )C_1_pc == 1 [L190] COND FALSE !((int )e == 1) [L199] COND FALSE !((int )C_1_pc == 2) [L209] __retres1 = 0 [L211] return (__retres1); [L379] RET, EXPR is_C_1_triggered() [L379] tmp___1 = is_C_1_triggered() [L381] COND FALSE !(\read(tmp___1)) [L448] RET activate_threads() [L449] FCALL reset_delta_events() [L452] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND FALSE !((int )P_1_st == 0) [L248] COND FALSE !((int )C_1_st == 0) [L256] __retres1 = 0 [L258] return (__retres1); [L452] RET, EXPR exists_runnable_thread() [L452] tmp = exists_runnable_thread() [L454] COND TRUE tmp == 0 [L456] kernel_st = 4 [L457] CALL fire_time_events() [L336] C_1_ev = 1 [L338] P_1_ev = 1 [L457] RET fire_time_events() [L458] CALL activate_threads() [L365] int tmp ; [L366] int tmp___0 ; [L367] int tmp___1 ; [L371] CALL, EXPR is_P_1_triggered() [L104] int __retres1 ; [L107] COND TRUE (int )P_1_pc == 1 [L108] COND TRUE (int )P_1_ev == 1 [L109] __retres1 = 1 [L119] return (__retres1); [L371] RET, EXPR is_P_1_triggered() [L371] tmp = is_P_1_triggered() [L373] COND TRUE \read(tmp) [L374] P_1_st = 0 [L379] CALL, EXPR is_C_1_triggered() [L186] int __retres1 ; [L189] COND TRUE (int )C_1_pc == 1 [L190] COND FALSE !((int )e == 1) [L199] COND FALSE !((int )C_1_pc == 2) [L209] __retres1 = 0 [L211] return (__retres1); [L379] RET, EXPR is_C_1_triggered() [L379] tmp___1 = is_C_1_triggered() [L381] COND FALSE !(\read(tmp___1)) [L458] RET activate_threads() [L459] CALL reset_time_events() [L350] COND TRUE (int )P_1_ev == 1 [L351] P_1_ev = 2 [L355] COND TRUE (int )C_1_ev == 1 [L356] C_1_ev = 2 [L459] RET reset_time_events() [L465] CALL, EXPR stop_simulation() [L402] int tmp ; [L403] int __retres2 ; [L407] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE (int )P_1_st == 0 [L245] __retres1 = 1 [L258] return (__retres1); [L407] RET, EXPR exists_runnable_thread() [L407] tmp = exists_runnable_thread() [L409] COND TRUE \read(tmp) [L410] __retres2 = 0 [L417] return (__retres2); [L465] RET, EXPR stop_simulation() [L465] tmp___0 = stop_simulation() [L467] COND FALSE !(\read(tmp___0)) [L435] COND TRUE 1 [L438] kernel_st = 1 [L439] CALL eval() [L262] int tmp ; [L263] int tmp___0 ; [L264] int tmp___1 ; [L265] int tmp___2 ; [L269] COND TRUE 1 [L272] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE (int )P_1_st == 0 [L245] __retres1 = 1 [L258] return (__retres1); [L272] RET, EXPR exists_runnable_thread() [L272] tmp___2 = exists_runnable_thread() [L274] COND TRUE \read(tmp___2) [L279] COND TRUE (int )P_1_st == 0 [L281] tmp = __VERIFIER_nondet_int() [L283] COND TRUE \read(tmp) [L285] P_1_st = 1 [L286] CALL P_1() [L72] COND FALSE !((int )P_1_pc == 0) [L75] COND TRUE (int )P_1_pc == 1 [L83] COND TRUE i < max_loop [L86] CALL write_data(num, 'A') [L49] COND FALSE !(i___0 == 0) [L52] COND FALSE !(i___0 == 1) [L56] CALL error() [L9] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 124.8s, OverallIterations: 23, TraceHistogramMax: 10, AutomataDifference: 64.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4032 SDtfs, 17777 SDslu, 1932 SDs, 0 SdLazy, 33264 SolverSat, 10017 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1794 GetRequests, 1127 SyntacticMatches, 7 SemanticMatches, 660 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6315 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18870occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.0s AutomataMinimizationTime, 22 MinimizatonAttempts, 10981 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 48.1s InterpolantComputationTime, 3975 NumberOfCodeBlocks, 3975 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 3593 ConstructedInterpolants, 0 QuantifiedInterpolants, 1690154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 3007/3112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...