/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:21:30,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:21:30,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:21:30,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:21:30,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:21:30,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:21:30,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:21:30,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:21:30,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:21:30,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:21:30,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:21:30,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:21:30,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:21:30,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:21:30,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:21:30,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:21:30,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:21:30,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:21:30,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:21:30,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:21:30,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:21:30,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:21:30,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:21:30,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:21:30,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:21:30,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:21:30,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:21:30,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:21:30,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:21:30,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:21:30,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:21:30,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:21:30,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:21:30,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:21:30,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:21:30,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:21:30,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:21:30,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:21:30,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:21:30,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:21:30,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:21:30,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 02:21:30,256 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:21:30,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:21:30,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:21:30,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:21:30,259 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:21:30,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:21:30,260 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:21:30,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:21:30,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:21:30,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:21:30,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:21:30,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:21:30,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:21:30,262 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:21:30,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:21:30,263 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:21:30,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:21:30,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:21:30,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:21:30,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:21:30,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:21:30,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:21:30,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:21:30,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:21:30,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:21:30,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:21:30,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:21:30,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:21:30,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:21:30,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-09-25 02:21:30,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:21:30,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:21:30,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:21:30,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:21:30,795 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:21:30,796 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 02:21:30,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62d5fe57f/3f9719534a0a48a9ba59b946fe0dd5f4/FLAGa456fdbe3 [2020-09-25 02:21:31,471 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:21:31,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 02:21:31,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62d5fe57f/3f9719534a0a48a9ba59b946fe0dd5f4/FLAGa456fdbe3 [2020-09-25 02:21:31,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62d5fe57f/3f9719534a0a48a9ba59b946fe0dd5f4 [2020-09-25 02:21:31,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:21:31,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:21:31,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:21:31,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:21:31,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:21:31,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:21:31" (1/1) ... [2020-09-25 02:21:31,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194bd3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:31, skipping insertion in model container [2020-09-25 02:21:31,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:21:31" (1/1) ... [2020-09-25 02:21:31,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:21:31,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:21:32,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:21:32,195 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:21:32,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:21:32,343 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:21:32,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32 WrapperNode [2020-09-25 02:21:32,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:21:32,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:21:32,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:21:32,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:21:32,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (1/1) ... [2020-09-25 02:21:32,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (1/1) ... [2020-09-25 02:21:32,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (1/1) ... [2020-09-25 02:21:32,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (1/1) ... [2020-09-25 02:21:32,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (1/1) ... [2020-09-25 02:21:32,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (1/1) ... [2020-09-25 02:21:32,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (1/1) ... [2020-09-25 02:21:32,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:21:32,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:21:32,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:21:32,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:21:32,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:21:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:21:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:21:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 02:21:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 02:21:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 02:21:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 02:21:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 02:21:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 02:21:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 02:21:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 02:21:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 02:21:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 02:21:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 02:21:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 02:21:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 02:21:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 02:21:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 02:21:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 02:21:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 02:21:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 02:21:32,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:21:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:21:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 02:21:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 02:21:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 02:21:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 02:21:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:21:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 02:21:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 02:21:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 02:21:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 02:21:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 02:21:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 02:21:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 02:21:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 02:21:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 02:21:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 02:21:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 02:21:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 02:21:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 02:21:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 02:21:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:21:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:21:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:21:33,081 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:21:33,082 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 02:21:33,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:21:33 BoogieIcfgContainer [2020-09-25 02:21:33,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:21:33,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:21:33,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:21:33,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:21:33,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:21:31" (1/3) ... [2020-09-25 02:21:33,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83b8e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:21:33, skipping insertion in model container [2020-09-25 02:21:33,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:32" (2/3) ... [2020-09-25 02:21:33,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83b8e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:21:33, skipping insertion in model container [2020-09-25 02:21:33,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:21:33" (3/3) ... [2020-09-25 02:21:33,098 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-1.c [2020-09-25 02:21:33,108 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:21:33,125 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:21:33,143 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:21:33,173 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:21:33,173 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:21:33,173 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:21:33,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:21:33,174 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:21:33,174 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:21:33,174 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:21:33,174 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:21:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-09-25 02:21:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-25 02:21:33,212 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:21:33,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:21:33,214 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:21:33,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:21:33,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1066956110, now seen corresponding path program 1 times [2020-09-25 02:21:33,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:21:33,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1133139308] [2020-09-25 02:21:33,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:21:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:33,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:34,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-25 02:21:35,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:21:35,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1858 [2020-09-25 02:21:35,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:21:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-25 02:21:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 02:21:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 02:21:35,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 02:21:35,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:21:35,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:35,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:35,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 02:21:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:21:35,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:35,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:35,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:35,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:35,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:21:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:21:35,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:35,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:35,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:35,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 02:21:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:35,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:21:35,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:35,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:35,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:35,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:21:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:35,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:21:35,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:35,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:35,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 02:21:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:21:35,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:21:35,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:35,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:35,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:35,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:35,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:35,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:21:35,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:35,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:21:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:35,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:35,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:35,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 02:21:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:35,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:35,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:35,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:35,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:35,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 02:21:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:35,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:35,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:35,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:21:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:21:35,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1133139308] [2020-09-25 02:21:35,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:21:35,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 02:21:35,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391730011] [2020-09-25 02:21:35,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 02:21:35,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:21:35,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 02:21:35,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 02:21:35,869 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 7 states. [2020-09-25 02:21:38,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:21:38,132 INFO L93 Difference]: Finished difference Result 774 states and 1050 transitions. [2020-09-25 02:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 02:21:38,135 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-09-25 02:21:38,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:21:38,160 INFO L225 Difference]: With dead ends: 774 [2020-09-25 02:21:38,160 INFO L226 Difference]: Without dead ends: 573 [2020-09-25 02:21:38,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 02:21:38,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2020-09-25 02:21:38,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 419. [2020-09-25 02:21:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-25 02:21:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 521 transitions. [2020-09-25 02:21:38,303 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 521 transitions. Word has length 107 [2020-09-25 02:21:38,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:21:38,304 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 521 transitions. [2020-09-25 02:21:38,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 02:21:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 521 transitions. [2020-09-25 02:21:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 02:21:38,311 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:21:38,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:21:38,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:21:38,312 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:21:38,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:21:38,313 INFO L82 PathProgramCache]: Analyzing trace with hash -517401199, now seen corresponding path program 1 times [2020-09-25 02:21:38,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:21:38,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1550604960] [2020-09-25 02:21:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:21:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 02:21:40,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:21:40,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2063 [2020-09-25 02:21:40,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 02:21:40,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 02:21:40,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 02:21:40,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:21:40,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 02:21:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:21:40,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:40,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:21:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:21:40,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:40,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 02:21:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:40,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:21:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:40,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 02:21:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:21:40,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:40,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:40,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:21:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:40,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 02:21:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:40,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 02:21:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:40,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 02:21:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:21:40,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 02:21:40,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 02:21:40,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 02:21:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 02:21:40,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:40,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:40,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:21:40,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:40,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:40,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:40,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:21:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:40,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:40,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:40,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:40,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 02:21:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:40,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:40,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:40,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:40,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:21:40,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 02:21:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:21:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-25 02:21:40,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1550604960] [2020-09-25 02:21:40,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:21:40,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:21:40,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806489045] [2020-09-25 02:21:40,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:21:40,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:21:40,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:21:40,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:21:40,806 INFO L87 Difference]: Start difference. First operand 419 states and 521 transitions. Second operand 9 states. [2020-09-25 02:21:44,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:21:44,501 INFO L93 Difference]: Finished difference Result 1504 states and 2005 transitions. [2020-09-25 02:21:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 02:21:44,502 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-25 02:21:44,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:21:44,514 INFO L225 Difference]: With dead ends: 1504 [2020-09-25 02:21:44,515 INFO L226 Difference]: Without dead ends: 1125 [2020-09-25 02:21:44,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-09-25 02:21:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2020-09-25 02:21:44,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 835. [2020-09-25 02:21:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-09-25 02:21:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1076 transitions. [2020-09-25 02:21:44,633 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1076 transitions. Word has length 170 [2020-09-25 02:21:44,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:21:44,634 INFO L479 AbstractCegarLoop]: Abstraction has 835 states and 1076 transitions. [2020-09-25 02:21:44,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:21:44,634 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1076 transitions. [2020-09-25 02:21:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-09-25 02:21:44,643 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:21:44,643 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:21:44,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:21:44,644 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:21:44,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:21:44,644 INFO L82 PathProgramCache]: Analyzing trace with hash 878280969, now seen corresponding path program 1 times [2020-09-25 02:21:44,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:21:44,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175162780] [2020-09-25 02:21:44,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:21:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:44,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:44,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:44,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-09-25 02:21:49,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 02:21:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 02:21:49,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:21:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 02:21:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 02:21:49,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:21:49,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:49,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 02:21:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:21:49,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:49,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 02:21:49,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:21:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:21:49,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:49,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:49,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 02:21:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:49,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:49,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:49,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:21:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:49,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:49,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:49,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 02:21:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:21:49,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:49,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:49,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:49,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:49,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:49,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:21:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:49,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:49,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 02:21:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:49,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:49,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:49,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 02:21:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:49,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:21:49,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:49,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:49,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:49,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 02:21:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:49,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 02:21:50,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:50,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-25 02:21:50,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:21:50,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 02:21:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:50,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:50,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:21:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 02:21:50,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:21:50,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:21:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 02:21:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:50,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:50,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 02:21:50,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:21:50,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:21:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 02:21:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:50,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:50,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:50,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:21:50,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:21:50,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:21:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:50,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:50,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:21:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:50,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 02:21:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:50,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 02:21:50,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:21:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 02:21:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:21:50,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:50,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 02:21:50,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 02:21:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:50,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 02:21:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 02:21:50,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:50,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:21:50,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 02:21:50,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:50,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 02:21:50,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:50,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:50,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:21:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:50,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:50,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 02:21:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:21:50,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 02:21:50,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 02:21:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:50,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:21:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 02:21:50,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:21:50,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 02:21:50,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:21:50,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:21:50,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:50,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 02:21:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:50,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:50,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-25 02:21:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:50,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:50,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:50,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:50,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:50,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:21:50,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:21:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:50,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 37 proven. 40 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-09-25 02:21:50,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175162780] [2020-09-25 02:21:50,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:21:50,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 02:21:50,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504530845] [2020-09-25 02:21:50,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 02:21:50,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:21:50,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 02:21:50,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-25 02:21:50,688 INFO L87 Difference]: Start difference. First operand 835 states and 1076 transitions. Second operand 12 states. [2020-09-25 02:21:52,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:21:52,956 INFO L93 Difference]: Finished difference Result 1994 states and 2678 transitions. [2020-09-25 02:21:52,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 02:21:52,957 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 283 [2020-09-25 02:21:52,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:21:52,972 INFO L225 Difference]: With dead ends: 1994 [2020-09-25 02:21:52,972 INFO L226 Difference]: Without dead ends: 941 [2020-09-25 02:21:52,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2020-09-25 02:21:52,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-09-25 02:21:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 679. [2020-09-25 02:21:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-09-25 02:21:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 841 transitions. [2020-09-25 02:21:53,069 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 841 transitions. Word has length 283 [2020-09-25 02:21:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:21:53,070 INFO L479 AbstractCegarLoop]: Abstraction has 679 states and 841 transitions. [2020-09-25 02:21:53,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 02:21:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 841 transitions. [2020-09-25 02:21:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-25 02:21:53,077 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:21:53,078 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:21:53,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:21:53,078 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:21:53,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:21:53,078 INFO L82 PathProgramCache]: Analyzing trace with hash 144736441, now seen corresponding path program 1 times [2020-09-25 02:21:53,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:21:53,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272236387] [2020-09-25 02:21:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:21:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:53,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:53,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:53,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:53,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:54,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 02:21:58,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 02:21:58,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 02:21:58,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:21:58,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-25 02:21:58,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 02:21:58,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 02:21:58,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:21:58,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 02:21:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:21:58,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:58,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:21:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:21:58,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:58,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 02:21:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:58,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:21:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:58,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 02:21:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:21:58,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:58,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:58,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:21:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:58,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 02:21:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:58,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 02:21:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 02:21:58,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 02:21:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:21:58,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 02:21:58,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 02:21:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 02:21:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 02:21:58,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:21:58,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:58,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 02:21:58,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:21:58,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:21:58,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 02:21:58,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:58,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:21:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:58,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:21:58,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 02:21:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:21:58,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:58,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 02:21:58,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:58,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 02:21:58,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 02:21:58,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:21:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 02:21:58,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 02:21:58,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 02:21:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 02:21:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 02:21:58,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 02:21:58,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 02:21:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:21:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:21:58,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:58,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 02:21:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:58,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:21:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 02:21:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:58,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:21:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-09-25 02:21:58,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272236387] [2020-09-25 02:21:58,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:21:58,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:21:58,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440571059] [2020-09-25 02:21:58,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:21:58,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:21:58,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:21:58,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:21:58,858 INFO L87 Difference]: Start difference. First operand 679 states and 841 transitions. Second operand 10 states. [2020-09-25 02:22:01,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:22:01,725 INFO L93 Difference]: Finished difference Result 2297 states and 3039 transitions. [2020-09-25 02:22:01,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 02:22:01,725 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 219 [2020-09-25 02:22:01,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:22:01,738 INFO L225 Difference]: With dead ends: 2297 [2020-09-25 02:22:01,738 INFO L226 Difference]: Without dead ends: 1656 [2020-09-25 02:22:01,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2020-09-25 02:22:01,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-09-25 02:22:01,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1256. [2020-09-25 02:22:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-09-25 02:22:01,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1532 transitions. [2020-09-25 02:22:01,833 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1532 transitions. Word has length 219 [2020-09-25 02:22:01,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:22:01,835 INFO L479 AbstractCegarLoop]: Abstraction has 1256 states and 1532 transitions. [2020-09-25 02:22:01,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:22:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1532 transitions. [2020-09-25 02:22:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 02:22:01,846 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:22:01,846 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:22:01,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 02:22:01,847 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:22:01,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:22:01,847 INFO L82 PathProgramCache]: Analyzing trace with hash -2140706519, now seen corresponding path program 1 times [2020-09-25 02:22:01,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:22:01,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82197233] [2020-09-25 02:22:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:22:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:01,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:02,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:02,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:03,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:03,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:04,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:04,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:04,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:06,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:06,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-25 02:22:06,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 02:22:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 02:22:06,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:22:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-09-25 02:22:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:22:06,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:06,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:06,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:06,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 02:22:06,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:06,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:22:06,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:06,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:06,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 02:22:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:06,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:06,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:06,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:22:06,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:06,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:06,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:06,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:22:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:06,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:06,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:06,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:22:06,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:07,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 02:22:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:22:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 02:22:07,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 02:22:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:22:07,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:22:07,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:22:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:07,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:22:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:07,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 02:22:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:07,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 02:22:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 02:22:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 02:22:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 02:22:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:22:07,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:22:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 02:22:07,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 02:22:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 02:22:07,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:22:07,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 02:22:07,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 02:22:07,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:22:07,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 02:22:07,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 02:22:07,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:22:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:07,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:07,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 02:22:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:22:07,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 02:22:07,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:22:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 02:22:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:22:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:22:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 02:22:07,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 02:22:07,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:22:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 02:22:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:22:07,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 02:22:07,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 02:22:07,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:22:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 02:22:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:22:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:07,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 02:22:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:07,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:22:07,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:22:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:22:07,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 02:22:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:22:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-09-25 02:22:07,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82197233] [2020-09-25 02:22:07,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:22:07,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 02:22:07,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321049941] [2020-09-25 02:22:07,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 02:22:07,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:22:07,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 02:22:07,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-25 02:22:07,824 INFO L87 Difference]: Start difference. First operand 1256 states and 1532 transitions. Second operand 12 states. [2020-09-25 02:22:09,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:22:09,860 INFO L93 Difference]: Finished difference Result 2313 states and 2971 transitions. [2020-09-25 02:22:09,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 02:22:09,861 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 248 [2020-09-25 02:22:09,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:22:09,872 INFO L225 Difference]: With dead ends: 2313 [2020-09-25 02:22:09,873 INFO L226 Difference]: Without dead ends: 1694 [2020-09-25 02:22:09,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=220, Invalid=592, Unknown=0, NotChecked=0, Total=812 [2020-09-25 02:22:09,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2020-09-25 02:22:09,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1295. [2020-09-25 02:22:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-09-25 02:22:09,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1572 transitions. [2020-09-25 02:22:09,964 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1572 transitions. Word has length 248 [2020-09-25 02:22:09,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:22:09,965 INFO L479 AbstractCegarLoop]: Abstraction has 1295 states and 1572 transitions. [2020-09-25 02:22:09,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 02:22:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1572 transitions. [2020-09-25 02:22:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 02:22:09,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:22:09,972 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:22:09,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 02:22:09,973 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:22:09,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:22:09,973 INFO L82 PathProgramCache]: Analyzing trace with hash -101055569, now seen corresponding path program 1 times [2020-09-25 02:22:09,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:22:09,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594628329] [2020-09-25 02:22:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:22:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:10,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:10,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:11,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:11,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-25 02:22:15,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 02:22:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 02:22:15,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-09-25 02:22:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 02:22:15,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 02:22:15,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:22:15,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 02:22:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:22:15,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:15,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:22:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:22:15,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:15,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 02:22:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:15,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:22:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:15,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 02:22:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:22:15,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:15,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:15,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:22:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:15,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 02:22:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:15,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 02:22:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:22:15,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:22:15,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 02:22:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:22:15,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:22:15,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 02:22:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:22:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 02:22:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:22:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:22:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 02:22:15,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 02:22:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 02:22:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 02:22:15,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:22:15,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 02:22:15,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:22:15,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:15,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:22:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:15,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:15,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 02:22:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:22:15,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 02:22:15,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 02:22:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:22:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 02:22:15,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:22:15,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 02:22:15,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:22:15,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:15,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:15,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 02:22:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:15,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:15,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 02:22:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:15,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:15,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:15,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:15,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:22:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:15,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-09-25 02:22:15,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594628329] [2020-09-25 02:22:15,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:22:15,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 02:22:15,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835855610] [2020-09-25 02:22:15,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:22:15,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:22:15,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:22:15,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:22:15,462 INFO L87 Difference]: Start difference. First operand 1295 states and 1572 transitions. Second operand 9 states. [2020-09-25 02:22:17,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:22:17,985 INFO L93 Difference]: Finished difference Result 2966 states and 3735 transitions. [2020-09-25 02:22:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 02:22:17,985 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 248 [2020-09-25 02:22:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:22:17,996 INFO L225 Difference]: With dead ends: 2966 [2020-09-25 02:22:17,996 INFO L226 Difference]: Without dead ends: 1710 [2020-09-25 02:22:18,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2020-09-25 02:22:18,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2020-09-25 02:22:18,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1295. [2020-09-25 02:22:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-09-25 02:22:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1561 transitions. [2020-09-25 02:22:18,072 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1561 transitions. Word has length 248 [2020-09-25 02:22:18,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:22:18,073 INFO L479 AbstractCegarLoop]: Abstraction has 1295 states and 1561 transitions. [2020-09-25 02:22:18,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:22:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1561 transitions. [2020-09-25 02:22:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 02:22:18,079 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:22:18,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:22:18,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 02:22:18,080 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:22:18,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:22:18,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1941039277, now seen corresponding path program 1 times [2020-09-25 02:22:18,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:22:18,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998808515] [2020-09-25 02:22:18,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:22:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:18,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:18,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:18,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-25 02:22:19,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:22:19,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1262 [2020-09-25 02:22:19,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-09-25 02:22:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 02:22:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 02:22:19,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:22:19,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 02:22:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:22:19,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:19,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:22:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:22:19,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:19,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 02:22:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:19,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 02:22:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:19,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 02:22:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:22:19,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:19,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:19,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:22:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:19,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 02:22:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:19,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 02:22:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:19,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 02:22:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:22:19,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 02:22:19,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 02:22:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 02:22:19,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:19,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:22:19,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:19,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:19,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 02:22:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:19,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 02:22:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:22:19,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:22:19,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 02:22:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:19,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:22:19,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 02:22:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:22:19,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 02:22:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:22:19,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 02:22:19,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 02:22:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:22:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 02:22:19,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:22:19,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 02:22:19,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:22:19,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:22:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:19,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 02:22:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:19,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:19,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:19,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 02:22:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:19,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:19,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:19,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:19,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:19,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:22:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-09-25 02:22:19,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998808515] [2020-09-25 02:22:19,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:22:19,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 02:22:19,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76687427] [2020-09-25 02:22:19,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:22:19,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:22:19,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:22:19,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:22:19,781 INFO L87 Difference]: Start difference. First operand 1295 states and 1561 transitions. Second operand 10 states.