/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.03.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:04:03,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:04:03,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:04:03,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:04:03,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:04:03,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:04:03,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:04:03,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:04:03,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:04:03,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:04:03,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:04:03,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:04:03,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:04:03,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:04:03,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:04:03,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:04:03,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:04:03,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:04:03,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:04:03,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:04:03,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:04:03,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:04:03,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:04:03,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:04:03,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:04:03,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:04:03,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:04:03,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:04:03,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:04:03,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:04:03,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:04:03,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:04:03,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:04:03,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:04:03,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:04:03,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:04:03,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:04:03,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:04:03,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:04:03,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:04:03,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:04:03,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 01:04:03,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:04:03,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:04:03,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:04:03,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:04:03,186 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:04:03,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:04:03,186 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:04:03,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:04:03,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:04:03,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:04:03,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:04:03,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:04:03,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:04:03,188 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:04:03,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:04:03,188 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:04:03,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:04:03,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:04:03,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:04:03,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:04:03,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:04:03,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:04:03,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:04:03,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:04:03,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:04:03,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:04:03,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:04:03,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:04:03,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:04:03,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:04:03,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:04:03,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:04:03,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:04:03,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:04:03,619 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:04:03,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.03.cil-2.c [2020-10-28 01:04:03,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82eee579b/8c8712eceb364819967993eab1219390/FLAG2627f12b3 [2020-10-28 01:04:04,504 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:04:04,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.03.cil-2.c [2020-10-28 01:04:04,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82eee579b/8c8712eceb364819967993eab1219390/FLAG2627f12b3 [2020-10-28 01:04:04,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82eee579b/8c8712eceb364819967993eab1219390 [2020-10-28 01:04:04,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:04:04,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:04:04,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:04:04,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:04:04,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:04:04,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:04:04" (1/1) ... [2020-10-28 01:04:04,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3563ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:04, skipping insertion in model container [2020-10-28 01:04:04,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:04:04" (1/1) ... [2020-10-28 01:04:04,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:04:04,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:04:05,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:04:05,149 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:04:05,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:04:05,241 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:04:05,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05 WrapperNode [2020-10-28 01:04:05,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:04:05,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:04:05,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:04:05,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:04:05,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (1/1) ... [2020-10-28 01:04:05,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (1/1) ... [2020-10-28 01:04:05,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (1/1) ... [2020-10-28 01:04:05,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (1/1) ... [2020-10-28 01:04:05,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (1/1) ... [2020-10-28 01:04:05,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (1/1) ... [2020-10-28 01:04:05,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (1/1) ... [2020-10-28 01:04:05,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:04:05,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:04:05,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:04:05,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:04:05,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:04:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:04:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:04:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:04:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:04:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:04:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:04:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:04:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:04:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:04:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:04:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:04:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:04:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:04:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:04:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:04:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:04:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:04:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:04:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:04:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:04:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:04:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:04:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:04:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:04:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:04:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:04:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:04:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:04:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:04:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:04:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:04:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:04:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:04:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:04:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:04:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:04:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:04:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:04:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:04:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:04:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:04:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:04:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:04:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:04:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:04:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:04:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:04:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:04:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:04:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:04:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:04:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:04:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:04:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:04:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:04:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:04:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:04:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:04:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:04:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:04:06,257 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:04:06,258 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-28 01:04:06,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:04:06 BoogieIcfgContainer [2020-10-28 01:04:06,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:04:06,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:04:06,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:04:06,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:04:06,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:04:04" (1/3) ... [2020-10-28 01:04:06,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ed8bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:04:06, skipping insertion in model container [2020-10-28 01:04:06,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:04:05" (2/3) ... [2020-10-28 01:04:06,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ed8bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:04:06, skipping insertion in model container [2020-10-28 01:04:06,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:04:06" (3/3) ... [2020-10-28 01:04:06,271 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.03.cil-2.c [2020-10-28 01:04:06,285 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:04:06,292 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:04:06,309 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:04:06,344 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:04:06,344 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:04:06,344 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:04:06,345 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:04:06,345 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:04:06,345 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:04:06,345 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:04:06,345 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:04:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2020-10-28 01:04:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-28 01:04:06,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:06,388 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] [2020-10-28 01:04:06,389 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:06,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:06,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1914799644, now seen corresponding path program 1 times [2020-10-28 01:04:06,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:06,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582868571] [2020-10-28 01:04:06,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:06,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:06,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:07,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:07,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:07,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:08,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:11,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:11,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 01:04:11,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:04:11,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 01:04:11,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 01:04:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-28 01:04:11,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:04:11,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:11,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:11,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:11,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:11,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:11,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:04:11,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:11,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:11,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:11,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:11,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:11,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:11,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:11,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:11,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:11,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:11,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:11,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:11,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:11,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:11,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:11,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:11,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:11,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:11,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:11,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:11,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:11,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:11,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:11,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:11,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:04:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:11,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:11,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:11,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:11,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:11,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:04:11,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:11,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:11,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:11,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:04:11,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:11,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:04:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:04:12,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 01:04:12,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:12,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 01:04:12,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:12,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:12,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:12,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:12,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:12,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:12,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:04:12,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:04:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:04:12,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:04:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:12,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:12,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:12,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:12,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:12,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:04:12,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582868571] [2020-10-28 01:04:12,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:12,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:04:12,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954780200] [2020-10-28 01:04:12,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:04:12,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:12,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:04:12,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:04:12,207 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 9 states. [2020-10-28 01:04:12,909 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:04:13,952 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:04:18,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:18,034 INFO L93 Difference]: Finished difference Result 861 states and 1372 transitions. [2020-10-28 01:04:18,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 01:04:18,037 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2020-10-28 01:04:18,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:18,061 INFO L225 Difference]: With dead ends: 861 [2020-10-28 01:04:18,061 INFO L226 Difference]: Without dead ends: 654 [2020-10-28 01:04:18,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-10-28 01:04:18,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-10-28 01:04:18,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 422. [2020-10-28 01:04:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-28 01:04:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 588 transitions. [2020-10-28 01:04:18,248 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 588 transitions. Word has length 106 [2020-10-28 01:04:18,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:18,249 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 588 transitions. [2020-10-28 01:04:18,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:04:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 588 transitions. [2020-10-28 01:04:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-28 01:04:18,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:18,255 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] [2020-10-28 01:04:18,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:04:18,255 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:18,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:18,256 INFO L82 PathProgramCache]: Analyzing trace with hash 993964258, now seen corresponding path program 1 times [2020-10-28 01:04:18,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:18,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175331903] [2020-10-28 01:04:18,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:18,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:18,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 01:04:23,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:04:23,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 01:04:23,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:04:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 01:04:23,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:23,461 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:04:23,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:23,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:04:23,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:23,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:23,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:23,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:23,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:04:23,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:23,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:23,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:04:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:23,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:23,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:23,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 01:04:23,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:04:23,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:04:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:23,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:23,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 01:04:23,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:04:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:04:23,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:04:23,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 01:04:23,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:23,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:23,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:23,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:23,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:23,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:23,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:23,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:23,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:23,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:23,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:04:23,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 01:04:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:04:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:23,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:23,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:23,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:23,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:23,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:23,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:23,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:23,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:04:23,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175331903] [2020-10-28 01:04:23,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:23,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:04:23,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262603779] [2020-10-28 01:04:23,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:04:23,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:23,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:04:23,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:04:23,786 INFO L87 Difference]: Start difference. First operand 422 states and 588 transitions. Second operand 8 states. [2020-10-28 01:04:23,941 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:04:24,114 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:04:26,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:26,442 INFO L93 Difference]: Finished difference Result 1037 states and 1509 transitions. [2020-10-28 01:04:26,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:04:26,443 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2020-10-28 01:04:26,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:26,452 INFO L225 Difference]: With dead ends: 1037 [2020-10-28 01:04:26,453 INFO L226 Difference]: Without dead ends: 630 [2020-10-28 01:04:26,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:04:26,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-28 01:04:26,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 422. [2020-10-28 01:04:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-28 01:04:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 587 transitions. [2020-10-28 01:04:26,564 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 587 transitions. Word has length 106 [2020-10-28 01:04:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:26,564 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 587 transitions. [2020-10-28 01:04:26,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:04:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 587 transitions. [2020-10-28 01:04:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-28 01:04:26,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:26,568 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] [2020-10-28 01:04:26,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:04:26,569 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:26,569 INFO L82 PathProgramCache]: Analyzing trace with hash -883098972, now seen corresponding path program 1 times [2020-10-28 01:04:26,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:26,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345225824] [2020-10-28 01:04:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:26,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:26,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:26,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:26,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:26,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:26,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:27,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:29,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:31,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 01:04:31,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:04:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 01:04:31,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:04:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:04:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 01:04:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:31,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:31,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:31,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:04:31,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:04:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:31,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:31,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:31,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:31,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:31,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:31,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:04:31,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:31,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:31,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:31,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:31,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:31,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:04:31,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:31,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:31,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:31,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:31,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:31,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:04:31,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:31,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:04:31,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:31,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:04:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:31,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:31,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:31,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:31,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:04:31,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:04:31,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:04:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:31,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:31,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:04:31,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 01:04:31,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 01:04:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:31,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:31,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:31,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:31,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:31,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:31,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:31,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:31,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:04:31,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:32,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:04:32,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:32,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:04:32,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:32,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:32,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:04:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:32,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:32,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 01:04:32,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:04:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:32,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:32,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:32,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:32,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:32,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:32,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:32,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:32,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:32,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:32,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:04:32,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345225824] [2020-10-28 01:04:32,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:32,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:04:32,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228500174] [2020-10-28 01:04:32,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:04:32,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:32,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:04:32,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:04:32,068 INFO L87 Difference]: Start difference. First operand 422 states and 587 transitions. Second operand 8 states. [2020-10-28 01:04:32,211 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:04:34,054 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:04:36,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:36,870 INFO L93 Difference]: Finished difference Result 1601 states and 2383 transitions. [2020-10-28 01:04:36,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:04:36,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2020-10-28 01:04:36,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:36,884 INFO L225 Difference]: With dead ends: 1601 [2020-10-28 01:04:36,884 INFO L226 Difference]: Without dead ends: 1202 [2020-10-28 01:04:36,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:04:36,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2020-10-28 01:04:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 860. [2020-10-28 01:04:37,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-10-28 01:04:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1202 transitions. [2020-10-28 01:04:37,013 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1202 transitions. Word has length 106 [2020-10-28 01:04:37,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:37,014 INFO L481 AbstractCegarLoop]: Abstraction has 860 states and 1202 transitions. [2020-10-28 01:04:37,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:04:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1202 transitions. [2020-10-28 01:04:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-28 01:04:37,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:37,018 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:04:37,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:04:37,019 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:37,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:37,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1473108539, now seen corresponding path program 1 times [2020-10-28 01:04:37,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:37,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304859425] [2020-10-28 01:04:37,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:37,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:37,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:38,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:04:42,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 01:04:42,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 01:04:42,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:42,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-28 01:04:42,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:42,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:42,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:04:42,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:42,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:42,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:42,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:42,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:42,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:04:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:42,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:42,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:04:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:04:42,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:04:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 01:04:42,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:42,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:42,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:04:42,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:42,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:42,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:42,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:42,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:42,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:42,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:04:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:42,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:42,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:04:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:04:42,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 01:04:42,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 01:04:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:04:42,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 01:04:42,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:04:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:04:42,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 01:04:42,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:04:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:04:42,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:04:42,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:04:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:42,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:04:42,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:42,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:42,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:42,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:42,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:04:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-28 01:04:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:42,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:42,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:42,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:42,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:42,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:42,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:42,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-28 01:04:42,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304859425] [2020-10-28 01:04:42,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:42,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 01:04:42,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142317280] [2020-10-28 01:04:42,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:04:42,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:42,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:04:42,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:04:42,736 INFO L87 Difference]: Start difference. First operand 860 states and 1202 transitions. Second operand 11 states. [2020-10-28 01:04:43,487 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:04:43,610 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:04:43,750 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:04:43,875 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:04:46,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:46,786 INFO L93 Difference]: Finished difference Result 2121 states and 3159 transitions. [2020-10-28 01:04:46,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:04:46,786 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2020-10-28 01:04:46,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:46,799 INFO L225 Difference]: With dead ends: 2121 [2020-10-28 01:04:46,799 INFO L226 Difference]: Without dead ends: 1284 [2020-10-28 01:04:46,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-28 01:04:46,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-10-28 01:04:46,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 875. [2020-10-28 01:04:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-10-28 01:04:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1214 transitions. [2020-10-28 01:04:46,943 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1214 transitions. Word has length 170 [2020-10-28 01:04:46,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:46,944 INFO L481 AbstractCegarLoop]: Abstraction has 875 states and 1214 transitions. [2020-10-28 01:04:46,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:04:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1214 transitions. [2020-10-28 01:04:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-28 01:04:46,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:46,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:04:46,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:04:46,952 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:46,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:46,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1079277691, now seen corresponding path program 1 times [2020-10-28 01:04:46,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:46,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420475049] [2020-10-28 01:04:46,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:46,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:47,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:48,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:51,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:51,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:51,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:51,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:04:51,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 01:04:51,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:04:51,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-28 01:04:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 01:04:51,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,134 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:04:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:52,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:04:52,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:04:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:04:52,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:52,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:04:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:04:52,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:04:52,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:04:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:52,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:04:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:52,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:52,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:04:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:04:52,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:04:52,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:52,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:52,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:04:52,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:52,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:52,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:04:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:04:52,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:04:52,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:04:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:52,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:52,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:04:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:04:52,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 01:04:52,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 01:04:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:04:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:04:52,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:04:52,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 01:04:52,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:52,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:04:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:04:52,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:04:52,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 01:04:52,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:52,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:04:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:52,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:52,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:04:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:52,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:52,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:04:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:04:52,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:04:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:04:52,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:52,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:04:52,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:04:52,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:04:52,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:04:52,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-28 01:04:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:52,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:52,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:04:52,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:04:52,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:04:52,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:04:52,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:04:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:04:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:04:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:04:52,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:04:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-28 01:04:52,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420475049] [2020-10-28 01:04:52,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:04:52,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:04:52,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138530290] [2020-10-28 01:04:52,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:04:52,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:04:52,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:04:52,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:04:52,590 INFO L87 Difference]: Start difference. First operand 875 states and 1214 transitions. Second operand 8 states. [2020-10-28 01:04:52,725 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:04:56,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:04:56,783 INFO L93 Difference]: Finished difference Result 3277 states and 4939 transitions. [2020-10-28 01:04:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:04:56,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2020-10-28 01:04:56,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:04:56,806 INFO L225 Difference]: With dead ends: 3277 [2020-10-28 01:04:56,806 INFO L226 Difference]: Without dead ends: 2427 [2020-10-28 01:04:56,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:04:56,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2427 states. [2020-10-28 01:04:57,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2427 to 1802. [2020-10-28 01:04:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-10-28 01:04:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2612 transitions. [2020-10-28 01:04:57,078 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2612 transitions. Word has length 170 [2020-10-28 01:04:57,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:04:57,079 INFO L481 AbstractCegarLoop]: Abstraction has 1802 states and 2612 transitions. [2020-10-28 01:04:57,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:04:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2612 transitions. [2020-10-28 01:04:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-28 01:04:57,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:04:57,087 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:04:57,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:04:57,087 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:04:57,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:04:57,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1182910172, now seen corresponding path program 1 times [2020-10-28 01:04:57,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:04:57,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635561664] [2020-10-28 01:04:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:04:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:04:57,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:57,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:57,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:57,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:57,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:04:59,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 01:05:02,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 01:05:02,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 01:05:02,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:05:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-10-28 01:05:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:05:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,285 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:05:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:02,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:05:02,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:02,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:02,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:02,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:05:02,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:02,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:02,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:05:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:02,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:02,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:05:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:02,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:05:02,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:02,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:02,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:02,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:02,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:05:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:02,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:02,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:05:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:02,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:02,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:05:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:02,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:02,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:05:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:02,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:02,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 01:05:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:05:02,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 01:05:02,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:05:02,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 01:05:02,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:05:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:05:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:05:02,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 01:05:02,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:05:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 01:05:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:05:02,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:02,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 01:05:02,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:05:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:05:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:05:02,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:02,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:02,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:02,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:02,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:02,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:05:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:05:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:02,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:02,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:02,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:02,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:02,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:02,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:02,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:02,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:02,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:02,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-10-28 01:05:02,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635561664] [2020-10-28 01:05:02,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:02,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 01:05:02,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624268134] [2020-10-28 01:05:02,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 01:05:02,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:02,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 01:05:02,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 01:05:02,862 INFO L87 Difference]: Start difference. First operand 1802 states and 2612 transitions. Second operand 12 states. [2020-10-28 01:05:03,885 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:05:04,027 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:05:04,174 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:05:04,387 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:05:07,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:07,463 INFO L93 Difference]: Finished difference Result 4478 states and 6932 transitions. [2020-10-28 01:05:07,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 01:05:07,464 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 190 [2020-10-28 01:05:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:07,484 INFO L225 Difference]: With dead ends: 4478 [2020-10-28 01:05:07,484 INFO L226 Difference]: Without dead ends: 2705 [2020-10-28 01:05:07,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2020-10-28 01:05:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2020-10-28 01:05:07,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1862. [2020-10-28 01:05:07,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1862 states. [2020-10-28 01:05:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2678 transitions. [2020-10-28 01:05:07,796 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2678 transitions. Word has length 190 [2020-10-28 01:05:07,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:07,797 INFO L481 AbstractCegarLoop]: Abstraction has 1862 states and 2678 transitions. [2020-10-28 01:05:07,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 01:05:07,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2678 transitions. [2020-10-28 01:05:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-28 01:05:07,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:07,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:05:07,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:05:07,805 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:07,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1650068377, now seen corresponding path program 1 times [2020-10-28 01:05:07,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:07,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021219026] [2020-10-28 01:05:07,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:07,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:07,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:08,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:08,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:08,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:08,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:08,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:08,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:12,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:12,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:12,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:05:12,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:05:12,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 01:05:12,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:12,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 01:05:12,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 01:05:12,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-28 01:05:12,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,003 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:05:13,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:13,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:13,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:13,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:13,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:13,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:13,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:05:13,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:13,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:05:13,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:05:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:13,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:05:13,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:05:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:05:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:13,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:05:13,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 01:05:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:13,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:13,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:13,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:05:13,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:13,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:05:13,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:05:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:05:13,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:05:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:05:13,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:05:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:13,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:13,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:05:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:05:13,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 01:05:13,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:05:13,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:13,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-28 01:05:13,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:05:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:05:13,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 01:05:13,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:05:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 01:05:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:13,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 01:05:13,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 01:05:13,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:13,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:13,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:13,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:13,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:13,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:13,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-28 01:05:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:13,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:13,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:13,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:13,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:13,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:05:13,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:13,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:13,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:13,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:13,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-28 01:05:13,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021219026] [2020-10-28 01:05:13,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:13,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 01:05:13,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023091077] [2020-10-28 01:05:13,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 01:05:13,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:13,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 01:05:13,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 01:05:13,717 INFO L87 Difference]: Start difference. First operand 1862 states and 2678 transitions. Second operand 11 states. [2020-10-28 01:05:13,844 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:05:19,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:19,666 INFO L93 Difference]: Finished difference Result 7526 states and 12414 transitions. [2020-10-28 01:05:19,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 01:05:19,667 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2020-10-28 01:05:19,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:19,717 INFO L225 Difference]: With dead ends: 7526 [2020-10-28 01:05:19,718 INFO L226 Difference]: Without dead ends: 5697 [2020-10-28 01:05:19,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2020-10-28 01:05:19,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2020-10-28 01:05:20,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 3883. [2020-10-28 01:05:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3883 states. [2020-10-28 01:05:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5837 transitions. [2020-10-28 01:05:20,341 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5837 transitions. Word has length 170 [2020-10-28 01:05:20,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:20,342 INFO L481 AbstractCegarLoop]: Abstraction has 3883 states and 5837 transitions. [2020-10-28 01:05:20,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 01:05:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5837 transitions. [2020-10-28 01:05:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-28 01:05:20,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:20,357 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:05:20,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:05:20,358 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:20,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:20,358 INFO L82 PathProgramCache]: Analyzing trace with hash 556400253, now seen corresponding path program 1 times [2020-10-28 01:05:20,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:20,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008662003] [2020-10-28 01:05:20,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:20,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:20,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:20,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:20,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:20,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:20,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:20,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:23,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 01:05:25,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 01:05:25,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 01:05:25,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-28 01:05:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 01:05:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,534 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:05:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:25,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:05:25,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:25,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:25,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:05:25,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:25,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:05:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:25,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:25,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:05:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:25,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:25,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:05:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:25,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:25,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:05:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:25,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 01:05:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:25,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:25,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:05:25,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:05:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:25,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:25,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 01:05:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:05:25,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:05:25,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 01:05:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 01:05:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:05:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:05:25,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:05:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 01:05:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:25,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:05:25,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:05:25,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:25,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:05:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:25,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:25,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:25,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:25,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:05:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:25,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:25,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:25,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:25,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:25,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:25,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:25,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-28 01:05:25,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008662003] [2020-10-28 01:05:25,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:25,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:05:25,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40565771] [2020-10-28 01:05:25,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:05:25,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:25,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:05:25,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:05:25,919 INFO L87 Difference]: Start difference. First operand 3883 states and 5837 transitions. Second operand 10 states. [2020-10-28 01:05:26,051 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:05:27,997 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:05:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:32,444 INFO L93 Difference]: Finished difference Result 14343 states and 24391 transitions. [2020-10-28 01:05:32,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 01:05:32,444 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-10-28 01:05:32,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:32,523 INFO L225 Difference]: With dead ends: 14343 [2020-10-28 01:05:32,524 INFO L226 Difference]: Without dead ends: 10499 [2020-10-28 01:05:32,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:05:32,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10499 states. [2020-10-28 01:05:33,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10499 to 7779. [2020-10-28 01:05:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7779 states. [2020-10-28 01:05:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7779 states to 7779 states and 11867 transitions. [2020-10-28 01:05:33,547 INFO L78 Accepts]: Start accepts. Automaton has 7779 states and 11867 transitions. Word has length 190 [2020-10-28 01:05:33,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:33,548 INFO L481 AbstractCegarLoop]: Abstraction has 7779 states and 11867 transitions. [2020-10-28 01:05:33,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:05:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 7779 states and 11867 transitions. [2020-10-28 01:05:33,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-28 01:05:33,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:33,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:05:33,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:05:33,566 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:33,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:33,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1198318053, now seen corresponding path program 1 times [2020-10-28 01:05:33,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:33,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015952321] [2020-10-28 01:05:33,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:33,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:33,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:35,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:05:38,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:05:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 01:05:38,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 01:05:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 01:05:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-28 01:05:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,722 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:05:38,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:38,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:38,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:38,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:38,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:38,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:38,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:38,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:05:38,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:38,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:38,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:05:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:05:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:38,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:05:38,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:05:38,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:05:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:38,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:05:38,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 01:05:38,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:38,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:38,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:38,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:38,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:38,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:38,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:38,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:38,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:38,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:38,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:05:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:38,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:38,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:38,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:05:38,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:05:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:38,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:38,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:38,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:05:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:38,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:05:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:38,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:38,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:38,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:05:38,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 01:05:38,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-28 01:05:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:39,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:05:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:39,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:39,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:05:39,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:39,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 01:05:39,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:05:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 01:05:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:39,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:39,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:39,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:39,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:39,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:05:39,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:05:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:05:39,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 01:05:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:39,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:39,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:39,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:39,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:39,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:39,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:39,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:39,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:39,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:39,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:39,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:39,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:05:39,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:39,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:39,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:39,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:39,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:05:39,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-28 01:05:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:39,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:39,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:39,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:39,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:39,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-28 01:05:39,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015952321] [2020-10-28 01:05:39,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:39,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:05:39,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329323547] [2020-10-28 01:05:39,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:05:39,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:39,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:05:39,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:05:39,140 INFO L87 Difference]: Start difference. First operand 7779 states and 11867 transitions. Second operand 9 states. [2020-10-28 01:05:39,283 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:05:47,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:47,148 INFO L93 Difference]: Finished difference Result 30954 states and 58917 transitions. [2020-10-28 01:05:47,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 01:05:47,148 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-10-28 01:05:47,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:47,314 INFO L225 Difference]: With dead ends: 30954 [2020-10-28 01:05:47,315 INFO L226 Difference]: Without dead ends: 23222 [2020-10-28 01:05:47,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-28 01:05:47,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23222 states. [2020-10-28 01:05:49,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23222 to 16886. [2020-10-28 01:05:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16886 states. [2020-10-28 01:05:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16886 states to 16886 states and 27803 transitions. [2020-10-28 01:05:49,674 INFO L78 Accepts]: Start accepts. Automaton has 16886 states and 27803 transitions. Word has length 170 [2020-10-28 01:05:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:05:49,674 INFO L481 AbstractCegarLoop]: Abstraction has 16886 states and 27803 transitions. [2020-10-28 01:05:49,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:05:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 16886 states and 27803 transitions. [2020-10-28 01:05:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-28 01:05:49,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:05:49,720 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 01:05:49,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:05:49,721 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:05:49,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:05:49,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1691457565, now seen corresponding path program 1 times [2020-10-28 01:05:49,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:05:49,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493358551] [2020-10-28 01:05:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:05:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:49,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:49,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:50,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:05:54,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 01:05:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:05:54,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:05:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:05:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,871 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:05:54,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:54,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:54,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:54,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:05:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:05:54,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:54,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:05:54,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:05:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:05:54,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:54,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:05:54,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:05:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:54,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:05:54,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:05:54,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:05:54,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:05:54,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:05:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:54,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:54,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:54,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 01:05:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:54,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:05:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:55,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:05:55,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 01:05:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:05:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:05:55,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:05:55,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 01:05:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:05:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:55,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:05:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:05:55,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:05:55,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 01:05:55,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:05:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:05:55,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:05:55,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:05:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:05:55,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:05:55,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:05:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:05:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:05:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:05:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:05:55,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:05:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-28 01:05:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:05:55,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:05:55,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:05:55,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:05:55,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:05:55,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:05:55,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:05:55,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:05:55,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:05:55,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:05:55,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:05:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 01:05:55,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493358551] [2020-10-28 01:05:55,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:05:55,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:05:55,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015897908] [2020-10-28 01:05:55,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:05:55,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:05:55,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:05:55,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:05:55,189 INFO L87 Difference]: Start difference. First operand 16886 states and 27803 transitions. Second operand 9 states. [2020-10-28 01:05:55,337 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:05:55,543 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:05:59,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:05:59,562 INFO L93 Difference]: Finished difference Result 37950 states and 64412 transitions. [2020-10-28 01:05:59,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 01:05:59,563 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-10-28 01:05:59,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:05:59,683 INFO L225 Difference]: With dead ends: 37950 [2020-10-28 01:05:59,684 INFO L226 Difference]: Without dead ends: 21106 [2020-10-28 01:05:59,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-28 01:05:59,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21106 states. [2020-10-28 01:06:01,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21106 to 16858. [2020-10-28 01:06:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16858 states. [2020-10-28 01:06:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16858 states to 16858 states and 27713 transitions. [2020-10-28 01:06:01,780 INFO L78 Accepts]: Start accepts. Automaton has 16858 states and 27713 transitions. Word has length 170 [2020-10-28 01:06:01,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:01,781 INFO L481 AbstractCegarLoop]: Abstraction has 16858 states and 27713 transitions. [2020-10-28 01:06:01,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:06:01,781 INFO L276 IsEmpty]: Start isEmpty. Operand 16858 states and 27713 transitions. [2020-10-28 01:06:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-28 01:06:01,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:01,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:01,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:06:01,804 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:01,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:01,805 INFO L82 PathProgramCache]: Analyzing trace with hash -245119338, now seen corresponding path program 1 times [2020-10-28 01:06:01,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:01,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124464454] [2020-10-28 01:06:01,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:01,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:01,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:01,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:02,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:02,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:02,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:02,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:02,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:04,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:06,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:06,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 01:06:06,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 01:06:06,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:06:06,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-10-28 01:06:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 01:06:06,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:06,958 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:06:06,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:06,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:06,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:06,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:06,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:06,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:06,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:06,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:06,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:06,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:06,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:06,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:06,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:06,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:06,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:06,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:06,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:06,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:06,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:06,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:06,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:06,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:06,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:06,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:06,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:06,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:06,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:06,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:07,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:06:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:06:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:07,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:06:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:06:07,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:07,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:07,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:07,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:07,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:07,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:06:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:06:07,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:07,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:06:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:07,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:07,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:06:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:06:07,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:06:07,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 01:06:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:06:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:07,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:07,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:07,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:07,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:07,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:07,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-28 01:06:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:07,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:07,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:07,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:07,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:07,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:06:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:06:07,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-28 01:06:07,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124464454] [2020-10-28 01:06:07,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:07,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:06:07,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258957390] [2020-10-28 01:06:07,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:06:07,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:07,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:06:07,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:06:07,216 INFO L87 Difference]: Start difference. First operand 16858 states and 27713 transitions. Second operand 9 states. [2020-10-28 01:06:07,357 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:06:10,045 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:06:15,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:15,027 INFO L93 Difference]: Finished difference Result 44186 states and 77677 transitions. [2020-10-28 01:06:15,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 01:06:15,033 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-10-28 01:06:15,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:15,233 INFO L225 Difference]: With dead ends: 44186 [2020-10-28 01:06:15,233 INFO L226 Difference]: Without dead ends: 35260 [2020-10-28 01:06:15,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-10-28 01:06:15,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35260 states. [2020-10-28 01:06:18,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35260 to 29174. [2020-10-28 01:06:18,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29174 states. [2020-10-28 01:06:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29174 states to 29174 states and 48179 transitions. [2020-10-28 01:06:19,050 INFO L78 Accepts]: Start accepts. Automaton has 29174 states and 48179 transitions. Word has length 171 [2020-10-28 01:06:19,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:19,051 INFO L481 AbstractCegarLoop]: Abstraction has 29174 states and 48179 transitions. [2020-10-28 01:06:19,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:06:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 29174 states and 48179 transitions. [2020-10-28 01:06:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-28 01:06:19,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:19,132 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 01:06:19,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 01:06:19,132 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:19,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:19,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1761629348, now seen corresponding path program 1 times [2020-10-28 01:06:19,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:19,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530361623] [2020-10-28 01:06:19,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:19,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:19,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-28 01:06:24,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 01:06:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 01:06:24,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-28 01:06:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,317 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:06:24,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:24,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:06:24,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:24,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:24,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:24,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:24,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:06:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:06:24,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:24,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:06:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:06:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:06:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:06:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:24,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:24,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:06:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:06:24,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:24,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:06:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:24,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:24,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:06:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:24,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:24,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 01:06:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:24,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 01:06:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:06:24,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 01:06:24,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 01:06:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:06:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:06:24,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:06:24,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 01:06:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:24,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:06:24,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:06:24,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:06:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:24,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:24,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:24,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:24,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:24,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-28 01:06:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:06:24,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:06:24,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 01:06:24,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 01:06:24,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:06:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:06:24,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 01:06:24,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 01:06:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:24,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:06:24,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 01:06:24,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:06:24,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:24,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:24,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:24,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:24,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 01:06:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:24,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:24,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:24,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:24,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:24,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:24,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:24,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-10-28 01:06:25,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530361623] [2020-10-28 01:06:25,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:25,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 01:06:25,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929244400] [2020-10-28 01:06:25,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 01:06:25,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:25,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 01:06:25,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-28 01:06:25,033 INFO L87 Difference]: Start difference. First operand 29174 states and 48179 transitions. Second operand 13 states. [2020-10-28 01:06:26,561 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:06:26,700 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:06:26,837 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:06:27,039 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-28 01:06:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:34,246 INFO L93 Difference]: Finished difference Result 64900 states and 115583 transitions. [2020-10-28 01:06:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 01:06:34,247 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 246 [2020-10-28 01:06:34,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:34,472 INFO L225 Difference]: With dead ends: 64900 [2020-10-28 01:06:34,472 INFO L226 Difference]: Without dead ends: 42308 [2020-10-28 01:06:34,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 69 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2020-10-28 01:06:34,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42308 states. [2020-10-28 01:06:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42308 to 29117. [2020-10-28 01:06:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29117 states. [2020-10-28 01:06:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29117 states to 29117 states and 47146 transitions. [2020-10-28 01:06:38,392 INFO L78 Accepts]: Start accepts. Automaton has 29117 states and 47146 transitions. Word has length 246 [2020-10-28 01:06:38,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:38,392 INFO L481 AbstractCegarLoop]: Abstraction has 29117 states and 47146 transitions. [2020-10-28 01:06:38,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 01:06:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 29117 states and 47146 transitions. [2020-10-28 01:06:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-28 01:06:38,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:38,473 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:38,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 01:06:38,474 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:38,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:38,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1881558485, now seen corresponding path program 1 times [2020-10-28 01:06:38,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:38,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373128375] [2020-10-28 01:06:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:38,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:38,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:38,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:38,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:38,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:38,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:39,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-28 01:06:43,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 01:06:43,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:06:43,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-28 01:06:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 01:06:43,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,662 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:06:43,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:43,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:43,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:43,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:43,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:06:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:06:43,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:43,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:06:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:06:43,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:43,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:06:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:06:43,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:43,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:06:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:43,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:06:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:06:43,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:06:43,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:43,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 01:06:43,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:06:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:06:43,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:06:43,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 01:06:43,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-28 01:06:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:06:43,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:06:43,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:43,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 01:06:43,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:43,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:43,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:43,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:43,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:43,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:43,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:43,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:43,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:43,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:43,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:43,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:43,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:43,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:43,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:06:43,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-28 01:06:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:44,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:44,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:06:44,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 01:06:44,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:06:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 01:06:44,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:06:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:44,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:44,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:06:44,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:44,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:06:44,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-28 01:06:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:06:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:44,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:44,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:06:44,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:06:44,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 01:06:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:44,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:44,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:44,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:44,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:44,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:44,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:44,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:44,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:44,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:44,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:44,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:44,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:44,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:44,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:44,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:44,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:44,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:44,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:44,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:06:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:44,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:06:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-28 01:06:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:44,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:44,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:44,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:44,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:44,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:44,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:44,198 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-28 01:06:44,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373128375] [2020-10-28 01:06:44,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:44,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:06:44,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800572805] [2020-10-28 01:06:44,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:06:44,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:44,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:06:44,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:06:44,200 INFO L87 Difference]: Start difference. First operand 29117 states and 47146 transitions. Second operand 10 states. [2020-10-28 01:06:44,347 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:06:46,349 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:06:54,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:54,903 INFO L93 Difference]: Finished difference Result 84374 states and 154985 transitions. [2020-10-28 01:06:54,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 01:06:54,904 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2020-10-28 01:06:54,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:55,234 INFO L225 Difference]: With dead ends: 84374 [2020-10-28 01:06:55,234 INFO L226 Difference]: Without dead ends: 55299 [2020-10-28 01:06:55,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:06:55,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55299 states. [2020-10-28 01:07:00,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55299 to 42348. [2020-10-28 01:07:00,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42348 states. [2020-10-28 01:07:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42348 states to 42348 states and 67487 transitions. [2020-10-28 01:07:01,238 INFO L78 Accepts]: Start accepts. Automaton has 42348 states and 67487 transitions. Word has length 223 [2020-10-28 01:07:01,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:01,239 INFO L481 AbstractCegarLoop]: Abstraction has 42348 states and 67487 transitions. [2020-10-28 01:07:01,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:07:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 42348 states and 67487 transitions. [2020-10-28 01:07:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-28 01:07:01,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:01,317 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, 3, 3, 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] [2020-10-28 01:07:01,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 01:07:01,317 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:01,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:01,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1989197763, now seen corresponding path program 1 times [2020-10-28 01:07:01,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:01,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060805193] [2020-10-28 01:07:01,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-28 01:07:06,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 01:07:06,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 01:07:06,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-28 01:07:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:07:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,486 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 01:07:06,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:06,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:06,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:06,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:06,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 01:07:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 01:07:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:07:06,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:06,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:06,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 01:07:06,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:06,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 01:07:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:06,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:06,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 01:07:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-28 01:07:06,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:07:06,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:07:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:07:06,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:06,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 01:07:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 01:07:06,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:07:06,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:06,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:07:06,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:07:06,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 01:07:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 01:07:06,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:07:06,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 01:07:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 01:07:06,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 01:07:06,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:07:06,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 01:07:06,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:06,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:07:06,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:06,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:06,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-28 01:07:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:06,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:06,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-28 01:07:06,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060805193] [2020-10-28 01:07:06,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:06,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:06,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193886449] [2020-10-28 01:07:06,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:06,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:06,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:06,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:06,848 INFO L87 Difference]: Start difference. First operand 42348 states and 67487 transitions. Second operand 10 states. [2020-10-28 01:07:07,022 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:07:08,888 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 01:07:21,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:21,883 INFO L93 Difference]: Finished difference Result 144930 states and 267451 transitions. [2020-10-28 01:07:21,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 01:07:21,884 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-10-28 01:07:21,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:22,626 INFO L225 Difference]: With dead ends: 144930 [2020-10-28 01:07:22,626 INFO L226 Difference]: Without dead ends: 102624 [2020-10-28 01:07:23,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:07:23,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102624 states.