/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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.04.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:36:48,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:36:48,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:36:48,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:36:48,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:36:48,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:36:48,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:36:48,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:36:48,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:36:48,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:36:48,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:36:48,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:36:48,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:36:48,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:36:48,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:36:48,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:36:48,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:36:48,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:36:48,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:36:48,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:36:48,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:36:48,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:36:48,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:36:48,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:36:48,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:36:48,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:36:48,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:36:48,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:36:48,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:36:48,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:36:48,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:36:48,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:36:48,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:36:48,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:36:48,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:36:48,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:36:48,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:36:48,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:36:48,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:36:48,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:36:48,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:36:48,842 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 [2020-10-29 14:36:48,886 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:36:48,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:36:48,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:36:48,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:36:48,892 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:36:48,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:36:48,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:36:48,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:36:48,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:36:48,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:36:48,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:36:48,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:36:48,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:36:48,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:36:48,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:36:48,896 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:36:48,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:36:48,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:36:48,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:36:48,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:36:48,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:36:48,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:36:48,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:36:48,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:36:48,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:36:48,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:36:48,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:36:48,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:36:48,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:36:48,900 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:36:49,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:36:49,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:36:49,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:36:49,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:36:49,444 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:36:49,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.04.cil-1.c [2020-10-29 14:36:49,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaf664c3f/5317c9db214b4513ac949b1e2c5243f0/FLAGf0648f3ac [2020-10-29 14:36:50,286 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:36:50,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.04.cil-1.c [2020-10-29 14:36:50,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaf664c3f/5317c9db214b4513ac949b1e2c5243f0/FLAGf0648f3ac [2020-10-29 14:36:50,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aaf664c3f/5317c9db214b4513ac949b1e2c5243f0 [2020-10-29 14:36:50,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:36:50,579 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:36:50,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:36:50,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:36:50,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:36:50,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:36:50" (1/1) ... [2020-10-29 14:36:50,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a985a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:50, skipping insertion in model container [2020-10-29 14:36:50,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:36:50" (1/1) ... [2020-10-29 14:36:50,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:36:50,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:36:50,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:36:50,988 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:36:51,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:36:51,160 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:36:51,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51 WrapperNode [2020-10-29 14:36:51,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:36:51,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:36:51,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:36:51,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:36:51,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (1/1) ... [2020-10-29 14:36:51,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (1/1) ... [2020-10-29 14:36:51,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (1/1) ... [2020-10-29 14:36:51,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (1/1) ... [2020-10-29 14:36:51,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (1/1) ... [2020-10-29 14:36:51,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (1/1) ... [2020-10-29 14:36:51,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (1/1) ... [2020-10-29 14:36:51,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:36:51,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:36:51,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:36:51,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:36:51,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (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 [2020-10-29 14:36:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:36:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:36:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:36:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-29 14:36:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-29 14:36:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-29 14:36:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-29 14:36:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-29 14:36:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-29 14:36:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-29 14:36:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-29 14:36:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-29 14:36:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-29 14:36:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-29 14:36:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-29 14:36:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-29 14:36:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-29 14:36:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-29 14:36:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-29 14:36:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-29 14:36:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-29 14:36:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-29 14:36:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-29 14:36:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-29 14:36:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-29 14:36:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-29 14:36:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-29 14:36:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:36:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:36:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:36:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:36:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:36:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-29 14:36:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-29 14:36:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-29 14:36:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-29 14:36:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-29 14:36:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-29 14:36:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-29 14:36:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:36:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-29 14:36:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-29 14:36:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-29 14:36:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-29 14:36:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-29 14:36:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-29 14:36:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-29 14:36:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-29 14:36:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-29 14:36:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-29 14:36:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-29 14:36:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-29 14:36:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-29 14:36:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-29 14:36:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-29 14:36:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-29 14:36:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-29 14:36:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:36:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:36:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:36:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:36:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:36:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:36:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:36:52,281 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:36:52,282 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-29 14:36:52,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:36:52 BoogieIcfgContainer [2020-10-29 14:36:52,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:36:52,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:36:52,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:36:52,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:36:52,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:36:50" (1/3) ... [2020-10-29 14:36:52,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae6018b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:36:52, skipping insertion in model container [2020-10-29 14:36:52,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:36:51" (2/3) ... [2020-10-29 14:36:52,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae6018b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:36:52, skipping insertion in model container [2020-10-29 14:36:52,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:36:52" (3/3) ... [2020-10-29 14:36:52,294 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.04.cil-1.c [2020-10-29 14:36:52,306 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:36:52,312 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:36:52,325 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:36:52,353 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:36:52,354 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:36:52,354 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:36:52,354 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:36:52,354 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:36:52,354 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:36:52,354 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:36:52,355 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:36:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states. [2020-10-29 14:36:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:36:52,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:52,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:52,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:52,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:52,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1498776942, now seen corresponding path program 1 times [2020-10-29 14:36:52,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:52,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147185377] [2020-10-29 14:36:52,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:52,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:52,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:53,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:53,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:53,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:53,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:57,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:36:57,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 14:36:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 14:36:57,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:57,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:57,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:57,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 14:36:57,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 14:36:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 14:36:58,101 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:36:58,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:58,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:58,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:58,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:36:58,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:58,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:58,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:58,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:58,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:58,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:58,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:58,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:58,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:58,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:58,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:58,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:58,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:58,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:58,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:58,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:58,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:58,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:58,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:58,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:58,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:58,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:36:58,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:36:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:58,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:58,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:36:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:58,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:36:58,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:58,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:36:58,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:58,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:36:58,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:58,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:36:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:58,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:36:58,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:36:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 628 [2020-10-29 14:36:58,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:58,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:36:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:58,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:58,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:58,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:58,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:58,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:58,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:58,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:58,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:58,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:58,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:58,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:58,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:58,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:58,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:58,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:58,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:59,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:36:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:59,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:59,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:36:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:59,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:59,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:36:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:59,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:59,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:36:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:36:59,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 14:36:59,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:36:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:59,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:36:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:59,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:59,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:36:59,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147185377] [2020-10-29 14:36:59,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:36:59,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:36:59,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764369526] [2020-10-29 14:36:59,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:36:59,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:59,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:36:59,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:36:59,192 INFO L87 Difference]: Start difference. First operand 238 states. Second operand 8 states. [2020-10-29 14:37:00,574 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:37:02,535 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:37:10,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:10,316 INFO L93 Difference]: Finished difference Result 944 states and 1496 transitions. [2020-10-29 14:37:10,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 14:37:10,319 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-10-29 14:37:10,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:10,366 INFO L225 Difference]: With dead ends: 944 [2020-10-29 14:37:10,367 INFO L226 Difference]: Without dead ends: 713 [2020-10-29 14:37:10,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-10-29 14:37:10,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-10-29 14:37:10,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 543. [2020-10-29 14:37:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-10-29 14:37:10,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 784 transitions. [2020-10-29 14:37:10,660 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 784 transitions. Word has length 120 [2020-10-29 14:37:10,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:10,661 INFO L481 AbstractCegarLoop]: Abstraction has 543 states and 784 transitions. [2020-10-29 14:37:10,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:37:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 784 transitions. [2020-10-29 14:37:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:37:10,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:10,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:10,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:37:10,680 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:10,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:10,680 INFO L82 PathProgramCache]: Analyzing trace with hash -552207056, now seen corresponding path program 1 times [2020-10-29 14:37:10,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:10,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492986471] [2020-10-29 14:37:10,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:10,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:10,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:10,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:11,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:13,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:15,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:15,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:37:15,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 14:37:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 14:37:15,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:15,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:37:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:37:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 14:37:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,041 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:37:16,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:16,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 14:37:16,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:16,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:16,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:37:16,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:37:16,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:37:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:16,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:16,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:37:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:16,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:37:16,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:37:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:37:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:16,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 14:37:16,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:37:16,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:37:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:37:16,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:37:16,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-29 14:37:16,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 14:37:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 14:37:16,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:16,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:16,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:16,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:16,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:16,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:16,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:16,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:16,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:16,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:37:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:16,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:16,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:16,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:37:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:16,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:16,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:37:16,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:37:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:16,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:16,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:16,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:37:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:16,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:16,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:37:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:37:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:16,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:16,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:16,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:16,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:16,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:16,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:16,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:16,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:16,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:16,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:37:16,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492986471] [2020-10-29 14:37:16,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:16,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:37:16,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070916043] [2020-10-29 14:37:16,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:37:16,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:16,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:37:16,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:37:16,782 INFO L87 Difference]: Start difference. First operand 543 states and 784 transitions. Second operand 8 states. [2020-10-29 14:37:17,056 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:20,088 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:26,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:26,451 INFO L93 Difference]: Finished difference Result 1833 states and 2742 transitions. [2020-10-29 14:37:26,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:37:26,454 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-10-29 14:37:26,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:26,465 INFO L225 Difference]: With dead ends: 1833 [2020-10-29 14:37:26,465 INFO L226 Difference]: Without dead ends: 1315 [2020-10-29 14:37:26,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:37:26,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2020-10-29 14:37:26,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1057. [2020-10-29 14:37:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-10-29 14:37:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1527 transitions. [2020-10-29 14:37:26,624 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1527 transitions. Word has length 120 [2020-10-29 14:37:26,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:26,624 INFO L481 AbstractCegarLoop]: Abstraction has 1057 states and 1527 transitions. [2020-10-29 14:37:26,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:37:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1527 transitions. [2020-10-29 14:37:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:37:26,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:26,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:26,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 14:37:26,628 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:26,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:26,629 INFO L82 PathProgramCache]: Analyzing trace with hash -825985551, now seen corresponding path program 1 times [2020-10-29 14:37:26,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:26,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054469218] [2020-10-29 14:37:26,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:26,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:37:31,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 14:37:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:37:31,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:37:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:37:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 14:37:31,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,976 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:37:31,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:32,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:32,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:32,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:32,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 14:37:32,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:32,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:32,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:32,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:32,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:32,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:32,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:32,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:32,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:32,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:32,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:37:32,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:32,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:32,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:32,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:32,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:32,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:32,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:32,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:32,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:32,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:32,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:32,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:32,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:32,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:32,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:32,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:32,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:32,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:32,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:32,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:32,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:37:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:32,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:37:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:32,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:32,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:32,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:32,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:32,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:37:32,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:32,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:37:32,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:32,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:37:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:32,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:32,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:32,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:32,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:37:34,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:37:34,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2023 [2020-10-29 14:37:34,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 14:37:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:37:34,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:34,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:34,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:34,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:34,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:37:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:34,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:34,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:37:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:34,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:34,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:37:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:34,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:37:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:37:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:34,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:34,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:37:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:37:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:34,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:34,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:37:34,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054469218] [2020-10-29 14:37:34,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:34,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:37:34,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891759389] [2020-10-29 14:37:34,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:37:34,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:34,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:37:34,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:37:34,348 INFO L87 Difference]: Start difference. First operand 1057 states and 1527 transitions. Second operand 8 states. [2020-10-29 14:37:34,611 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:37,574 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:44,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:44,001 INFO L93 Difference]: Finished difference Result 3560 states and 5335 transitions. [2020-10-29 14:37:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:37:44,002 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-10-29 14:37:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:44,022 INFO L225 Difference]: With dead ends: 3560 [2020-10-29 14:37:44,022 INFO L226 Difference]: Without dead ends: 2528 [2020-10-29 14:37:44,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:37:44,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2020-10-29 14:37:44,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2066. [2020-10-29 14:37:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2066 states. [2020-10-29 14:37:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2987 transitions. [2020-10-29 14:37:44,335 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2987 transitions. Word has length 120 [2020-10-29 14:37:44,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:44,336 INFO L481 AbstractCegarLoop]: Abstraction has 2066 states and 2987 transitions. [2020-10-29 14:37:44,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:37:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2987 transitions. [2020-10-29 14:37:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:37:44,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:44,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:44,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 14:37:44,339 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:44,340 INFO L82 PathProgramCache]: Analyzing trace with hash -2101088240, now seen corresponding path program 1 times [2020-10-29 14:37:44,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:44,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379444186] [2020-10-29 14:37:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:44,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:44,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:44,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:44,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:44,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:44,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:45,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:49,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:49,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:37:49,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 14:37:49,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:37:49,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:49,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:49,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:37:49,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:37:49,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 14:37:49,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:49,721 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:37:49,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:49,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:49,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:49,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 14:37:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:49,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:49,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:49,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:49,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:49,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:49,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:37:49,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:49,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:37:49,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:49,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:49,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:49,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:49,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:49,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:49,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:49,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:49,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:49,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:49,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:49,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:49,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:49,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:49,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:49,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:37:49,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:49,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:37:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:49,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:37:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:49,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:49,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:49,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:37:49,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:49,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:37:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:49,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:37:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:49,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:49,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:49,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:50,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:50,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:54,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:37:54,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:37:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4532 [2020-10-29 14:37:54,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:54,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 14:37:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 14:37:54,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:54,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:54,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:54,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:54,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:54,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:54,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:54,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:54,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:54,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:54,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:54,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:54,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:37:54,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:54,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:37:54,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:54,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:37:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:54,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:54,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:54,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:54,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:54,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:54,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:37:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:54,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:54,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:54,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:54,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:54,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:54,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:54,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:37:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:54,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:54,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:54,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:54,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:54,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:54,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:54,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:37:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:54,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:54,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:37:54,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:54,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:54,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:54,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:37:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:54,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:37:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:54,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:54,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:54,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:54,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:54,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:54,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:54,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:54,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:37:54,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379444186] [2020-10-29 14:37:54,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:54,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:37:54,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665145631] [2020-10-29 14:37:54,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:37:54,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:54,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:37:54,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:37:54,626 INFO L87 Difference]: Start difference. First operand 2066 states and 2987 transitions. Second operand 9 states. [2020-10-29 14:37:54,914 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:37:57,946 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:04,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:04,998 INFO L93 Difference]: Finished difference Result 6929 states and 10427 transitions. [2020-10-29 14:38:04,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:38:04,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-29 14:38:05,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:05,031 INFO L225 Difference]: With dead ends: 6929 [2020-10-29 14:38:05,031 INFO L226 Difference]: Without dead ends: 4888 [2020-10-29 14:38:05,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-29 14:38:05,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4888 states. [2020-10-29 14:38:05,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4888 to 4046. [2020-10-29 14:38:05,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4046 states. [2020-10-29 14:38:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4046 states to 4046 states and 5861 transitions. [2020-10-29 14:38:05,527 INFO L78 Accepts]: Start accepts. Automaton has 4046 states and 5861 transitions. Word has length 120 [2020-10-29 14:38:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:38:05,528 INFO L481 AbstractCegarLoop]: Abstraction has 4046 states and 5861 transitions. [2020-10-29 14:38:05,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:38:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4046 states and 5861 transitions. [2020-10-29 14:38:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:38:05,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:38:05,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:38:05,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 14:38:05,531 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:38:05,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:38:05,532 INFO L82 PathProgramCache]: Analyzing trace with hash 238557841, now seen corresponding path program 1 times [2020-10-29 14:38:05,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:38:05,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833142446] [2020-10-29 14:38:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:38:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:05,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:05,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:05,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:05,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:05,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:07,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:07,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:07,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:07,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:07,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:07,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:07,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:07,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:10,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:38:10,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 14:38:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:38:10,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:10,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:38:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:38:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 14:38:10,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:10,809 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:38:10,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:38:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:10,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:10,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:10,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:38:10,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:10,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:38:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:10,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:38:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:10,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:10,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:10,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:10,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:38:10,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:10,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:10,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:38:10,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:10,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:38:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:10,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:10,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:38:10,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:10,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:10,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:38:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:10,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:38:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:10,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:38:10,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:10,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:38:10,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:10,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:10,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:10,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:38:10,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:10,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:38:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:10,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:10,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:10,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:10,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:10,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:38:10,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:10,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:38:10,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:38:10,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:11,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:38:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:11,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:11,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:11,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:11,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:14,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:16,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:16,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:38:16,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:38:16,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:38:16,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:16,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:16,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:38:16,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 14:38:16,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:38:16,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:38:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:16,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:16,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:16,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:16,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:16,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:16,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:16,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:16,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:16,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:16,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:16,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:16,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:38:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:16,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:16,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:16,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:16,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:16,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:16,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:38:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:16,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:16,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:16,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:16,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:16,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:16,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:16,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:38:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:16,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:16,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:16,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:38:16,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:16,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:38:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:38:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:16,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:16,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:16,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:16,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:16,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:38:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:16,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:16,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:16,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:38:16,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:16,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:38:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:38:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:16,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:16,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:16,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:38:16,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:16,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:16,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:16,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:38:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:16,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:38:16,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833142446] [2020-10-29 14:38:16,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:38:16,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 14:38:16,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044287822] [2020-10-29 14:38:16,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:38:16,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:38:16,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:38:16,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:38:16,261 INFO L87 Difference]: Start difference. First operand 4046 states and 5861 transitions. Second operand 13 states. [2020-10-29 14:38:16,594 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:18,631 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 14:38:18,979 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 14:38:19,457 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:19,877 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:25,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:25,331 INFO L93 Difference]: Finished difference Result 9035 states and 13609 transitions. [2020-10-29 14:38:25,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 14:38:25,332 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 120 [2020-10-29 14:38:25,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:25,367 INFO L225 Difference]: With dead ends: 9035 [2020-10-29 14:38:25,367 INFO L226 Difference]: Without dead ends: 5012 [2020-10-29 14:38:25,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-29 14:38:25,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2020-10-29 14:38:25,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 4106. [2020-10-29 14:38:25,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4106 states. [2020-10-29 14:38:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 4106 states and 5844 transitions. [2020-10-29 14:38:25,967 INFO L78 Accepts]: Start accepts. Automaton has 4106 states and 5844 transitions. Word has length 120 [2020-10-29 14:38:25,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:38:25,969 INFO L481 AbstractCegarLoop]: Abstraction has 4106 states and 5844 transitions. [2020-10-29 14:38:25,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 14:38:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4106 states and 5844 transitions. [2020-10-29 14:38:25,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:38:25,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:38:25,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:38:25,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 14:38:25,973 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:38:25,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:38:25,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1458745841, now seen corresponding path program 1 times [2020-10-29 14:38:25,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:38:25,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184677531] [2020-10-29 14:38:25,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:38:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:26,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:26,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 14:38:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:31,294 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:38:31,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:38:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:31,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:31,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:31,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:31,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:38:31,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:31,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:31,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:38:31,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:31,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:38:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:31,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:31,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:31,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:31,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:31,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:31,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:31,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:31,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:31,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:38:31,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:31,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:38:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:31,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:31,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:38:31,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:31,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:31,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:38:31,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:31,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:38:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:31,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:31,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:38:31,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:31,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:38:31,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:31,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:38:31,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:31,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:38:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:31,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:31,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:31,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:31,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:38:31,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:31,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:38:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:38:31,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:31,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:38:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:31,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:31,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:33,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:38:33,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:38:33,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1739 [2020-10-29 14:38:33,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:33,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:38:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 14:38:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:38:33,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:38:33,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:38:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:33,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:33,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:33,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:33,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:33,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:33,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:33,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:33,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:38:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:33,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:33,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:38:33,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:33,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:38:33,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:33,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:38:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:33,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:33,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:33,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:33,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:33,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:33,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:33,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:38:33,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:38:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:33,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:33,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:33,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:33,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:33,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:33,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:38:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:33,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:33,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:33,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:33,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:33,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:38:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:38:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:38:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:33,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:33,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:33,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:38:33,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:33,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:38:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:33,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:38:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:33,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:33,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:33,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:38:33,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:38:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:33,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:38:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:33,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:38:33,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184677531] [2020-10-29 14:38:33,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:38:33,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 14:38:33,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716325858] [2020-10-29 14:38:33,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:38:33,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:38:33,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:38:33,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:38:33,485 INFO L87 Difference]: Start difference. First operand 4106 states and 5844 transitions. Second operand 12 states. [2020-10-29 14:38:33,822 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:35,384 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:35,703 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:38:36,039 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:36,205 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-10-29 14:38:36,531 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 14:38:41,990 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:38:42,277 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:38:42,640 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:38:43,076 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-29 14:38:44,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:44,442 INFO L93 Difference]: Finished difference Result 9060 states and 13289 transitions. [2020-10-29 14:38:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 14:38:44,444 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-29 14:38:44,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:44,475 INFO L225 Difference]: With dead ends: 9060 [2020-10-29 14:38:44,475 INFO L226 Difference]: Without dead ends: 4978 [2020-10-29 14:38:44,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2020-10-29 14:38:44,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4978 states. [2020-10-29 14:38:45,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4978 to 3956. [2020-10-29 14:38:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3956 states. [2020-10-29 14:38:45,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3956 states and 5501 transitions. [2020-10-29 14:38:45,106 INFO L78 Accepts]: Start accepts. Automaton has 3956 states and 5501 transitions. Word has length 120 [2020-10-29 14:38:45,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:38:45,106 INFO L481 AbstractCegarLoop]: Abstraction has 3956 states and 5501 transitions. [2020-10-29 14:38:45,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:38:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3956 states and 5501 transitions. [2020-10-29 14:38:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:38:45,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:38:45,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:38:45,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 14:38:45,109 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:38:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:38:45,110 INFO L82 PathProgramCache]: Analyzing trace with hash 2144294413, now seen corresponding path program 1 times [2020-10-29 14:38:45,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:38:45,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404913724] [2020-10-29 14:38:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:38:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:45,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:45,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:48,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:50,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:38:50,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 14:38:50,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 14:38:50,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:50,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:50,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:38:50,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:38:50,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 14:38:50,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:50,426 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:38:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:38:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:50,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:50,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:50,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:50,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:38:50,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:50,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:38:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:38:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:50,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:50,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:38:50,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:50,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:50,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:38:50,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:50,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:38:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:50,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:50,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:38:50,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:50,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:50,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:50,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:50,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:50,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:50,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:38:50,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:38:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:50,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:50,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:38:50,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:50,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:38:50,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:50,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:38:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:50,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:38:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:50,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:50,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:50,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:50,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:38:50,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:50,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:50,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:50,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:38:50,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:38:50,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:50,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:38:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:50,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:50,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:51,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:51,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:38:51,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:38:51,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-10-29 14:38:51,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:51,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:38:51,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:51,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:38:51,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:51,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:38:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:51,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:51,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:51,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:51,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:51,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:51,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:51,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:38:51,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:38:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:51,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:51,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:51,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:51,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:51,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:51,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:51,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:51,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:51,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:51,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:51,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:51,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:38:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:51,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:51,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:51,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:51,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:51,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:51,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:51,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:51,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:51,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:38:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:51,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:51,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:51,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:51,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:51,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:51,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:51,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:51,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:38:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:51,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:51,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:51,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:38:51,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:51,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:38:51,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:51,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:51,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:38:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:51,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:51,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:38:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:51,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:51,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:51,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:38:51,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:51,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 14:38:51,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:51,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:51,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:38:51,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:38:51,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:38:51,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:51,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:38:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:51,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:51,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:38:51,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:38:51,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:38:51,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:38:51,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:38:51,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:38:51,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:38:51,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:38:51,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:38:51,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:38:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:38:51,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404913724] [2020-10-29 14:38:51,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:38:51,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:38:51,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638245509] [2020-10-29 14:38:51,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:38:51,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:38:51,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:38:51,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:38:51,490 INFO L87 Difference]: Start difference. First operand 3956 states and 5501 transitions. Second operand 9 states. [2020-10-29 14:38:51,785 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:38:56,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:38:56,921 INFO L93 Difference]: Finished difference Result 7114 states and 10044 transitions. [2020-10-29 14:38:56,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 14:38:56,922 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-29 14:38:56,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:38:56,954 INFO L225 Difference]: With dead ends: 7114 [2020-10-29 14:38:56,954 INFO L226 Difference]: Without dead ends: 4826 [2020-10-29 14:38:56,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:38:56,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-10-29 14:38:57,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 3956. [2020-10-29 14:38:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3956 states. [2020-10-29 14:38:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3956 states and 5452 transitions. [2020-10-29 14:38:57,568 INFO L78 Accepts]: Start accepts. Automaton has 3956 states and 5452 transitions. Word has length 120 [2020-10-29 14:38:57,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:38:57,568 INFO L481 AbstractCegarLoop]: Abstraction has 3956 states and 5452 transitions. [2020-10-29 14:38:57,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:38:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3956 states and 5452 transitions. [2020-10-29 14:38:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:38:57,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:38:57,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:38:57,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 14:38:57,571 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:38:57,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:38:57,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1449073009, now seen corresponding path program 1 times [2020-10-29 14:38:57,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:38:57,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156362732] [2020-10-29 14:38:57,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:38:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:38:57,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:57,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:57,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:57,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:57,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:57,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:57,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:58,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:58,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:58,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:38:58,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:01,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:02,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:02,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:39:02,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 14:39:02,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 14:39:02,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:02,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:02,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:02,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-29 14:39:02,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 14:39:02,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:02,882 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:39:02,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:02,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:02,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:02,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:02,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:02,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:02,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:02,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:02,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:02,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:02,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:02,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:02,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:02,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:02,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:02,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:02,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:02,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:02,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:02,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:02,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:02,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:02,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:02,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:02,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:02,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:02,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:02,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:02,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:02,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:39:02,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:02,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:02,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:02,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:02,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:39:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:03,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:03,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:39:03,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:03,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:03,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:39:03,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:39:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:03,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:39:03,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-10-29 14:39:03,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:39:03,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:03,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:03,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:03,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:03,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:03,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:03,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:03,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:03,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:03,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:03,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:03,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:03,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:03,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:03,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:03,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:03,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:03,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:03,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:03,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:03,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:03,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:03,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:39:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:03,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:03,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:39:03,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:39:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:39:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:03,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:03,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:03,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:03,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:03,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:03,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156362732] [2020-10-29 14:39:03,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:03,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:39:03,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813172313] [2020-10-29 14:39:03,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:39:03,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:03,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:39:03,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:39:03,662 INFO L87 Difference]: Start difference. First operand 3956 states and 5452 transitions. Second operand 9 states. [2020-10-29 14:39:04,882 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:39:06,889 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:39:14,195 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-29 14:39:21,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:21,154 INFO L93 Difference]: Finished difference Result 14906 states and 22063 transitions. [2020-10-29 14:39:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 14:39:21,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-29 14:39:21,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:39:21,217 INFO L225 Difference]: With dead ends: 14906 [2020-10-29 14:39:21,217 INFO L226 Difference]: Without dead ends: 11786 [2020-10-29 14:39:21,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-29 14:39:21,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11786 states. [2020-10-29 14:39:22,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11786 to 9528. [2020-10-29 14:39:22,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9528 states. [2020-10-29 14:39:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9528 states to 9528 states and 13428 transitions. [2020-10-29 14:39:22,351 INFO L78 Accepts]: Start accepts. Automaton has 9528 states and 13428 transitions. Word has length 120 [2020-10-29 14:39:22,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:22,351 INFO L481 AbstractCegarLoop]: Abstraction has 9528 states and 13428 transitions. [2020-10-29 14:39:22,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:39:22,352 INFO L276 IsEmpty]: Start isEmpty. Operand 9528 states and 13428 transitions. [2020-10-29 14:39:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:39:22,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:22,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:22,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 14:39:22,355 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:22,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:22,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1511112623, now seen corresponding path program 1 times [2020-10-29 14:39:22,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:22,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843580575] [2020-10-29 14:39:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:22,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:22,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:27,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:39:27,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 14:39:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 14:39:27,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:27,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:39:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:39:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 14:39:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:27,651 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:39:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:27,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:27,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:27,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:27,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:39:27,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:27,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:27,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:27,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:39:27,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:27,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:27,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:27,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:27,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:27,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:39:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:27,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:27,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:27,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:27,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:27,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:27,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:27,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:27,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:39:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:27,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:39:27,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:27,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:39:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:27,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:27,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:27,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:39:27,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:27,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:39:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:27,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:39:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:27,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:28,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:28,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:39:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-29 14:39:28,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:28,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:39:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-29 14:39:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:39:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:28,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:28,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:28,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:28,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:28,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:28,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:28,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:28,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:28,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:28,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:28,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:28,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:28,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:28,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:28,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:28,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:28,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:28,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:28,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:28,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:28,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:28,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:28,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:28,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:28,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:28,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:28,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:28,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:28,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:28,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:28,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:28,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:28,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:28,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:28,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:39:28,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:28,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:39:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:28,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:28,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:28,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:28,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:39:28,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:28,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:28,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:28,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:39:28,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:28,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:28,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:39:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:28,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:28,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:28,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:28,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:28,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:28,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:39:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:28,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843580575] [2020-10-29 14:39:28,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:28,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 14:39:28,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730169434] [2020-10-29 14:39:28,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:39:28,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:28,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:39:28,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:39:28,319 INFO L87 Difference]: Start difference. First operand 9528 states and 13428 transitions. Second operand 13 states. [2020-10-29 14:39:28,636 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:39:30,499 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:39:30,811 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:39:31,314 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:39:31,742 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 14:39:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:37,256 INFO L93 Difference]: Finished difference Result 21121 states and 31201 transitions. [2020-10-29 14:39:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 14:39:37,256 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 120 [2020-10-29 14:39:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:39:37,320 INFO L225 Difference]: With dead ends: 21121 [2020-10-29 14:39:37,320 INFO L226 Difference]: Without dead ends: 11616 [2020-10-29 14:39:37,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-29 14:39:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11616 states. [2020-10-29 14:39:38,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11616 to 9623. [2020-10-29 14:39:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9623 states. [2020-10-29 14:39:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9623 states to 9623 states and 13392 transitions. [2020-10-29 14:39:38,700 INFO L78 Accepts]: Start accepts. Automaton has 9623 states and 13392 transitions. Word has length 120 [2020-10-29 14:39:38,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:38,701 INFO L481 AbstractCegarLoop]: Abstraction has 9623 states and 13392 transitions. [2020-10-29 14:39:38,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 14:39:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 9623 states and 13392 transitions. [2020-10-29 14:39:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:39:38,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:38,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:38,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 14:39:38,704 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:38,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:38,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1261473261, now seen corresponding path program 1 times [2020-10-29 14:39:38,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:38,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271181374] [2020-10-29 14:39:38,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:38,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:38,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:39,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:43,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:43,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:39:43,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:39:43,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:39:43,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:43,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:39:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:39:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 14:39:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,010 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:39:44,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:44,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:39:44,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:39:44,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:39:44,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:44,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:39:44,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:44,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:39:44,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:44,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:39:44,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:39:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:44,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:39:44,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:44,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:44,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:39:44,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:39:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:39:44,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:39:44,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-29 14:39:44,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:39:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-29 14:39:44,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:39:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:39:44,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:44,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:44,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:44,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:44,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:44,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:44,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:44,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:44,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:44,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:44,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:44,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:44,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:39:44,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:44,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:44,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:44,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:39:44,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:44,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:44,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:44,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:39:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:44,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:39:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:39:44,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:44,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 14:39:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:39:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:44,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:44,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:44,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:44,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:44,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:44,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:44,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:44,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:44,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271181374] [2020-10-29 14:39:44,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:44,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 14:39:44,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786060492] [2020-10-29 14:39:44,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 14:39:44,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:44,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 14:39:44,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-29 14:39:44,571 INFO L87 Difference]: Start difference. First operand 9623 states and 13392 transitions. Second operand 13 states. [2020-10-29 14:39:44,929 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:39:46,531 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:39:46,869 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:39:47,375 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 14:39:47,857 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 14:39:51,203 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:39:52,309 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 14:39:52,629 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 14:39:53,048 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 14:39:53,374 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-29 14:39:54,005 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-29 14:39:54,383 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:39:55,029 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-29 14:39:55,357 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-29 14:39:59,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:59,991 INFO L93 Difference]: Finished difference Result 26354 states and 38183 transitions. [2020-10-29 14:39:59,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-29 14:39:59,992 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 120 [2020-10-29 14:39:59,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:40:00,067 INFO L225 Difference]: With dead ends: 26354 [2020-10-29 14:40:00,067 INFO L226 Difference]: Without dead ends: 16754 [2020-10-29 14:40:00,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=337, Invalid=1223, Unknown=0, NotChecked=0, Total=1560 [2020-10-29 14:40:00,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16754 states. [2020-10-29 14:40:01,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16754 to 11315. [2020-10-29 14:40:01,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11315 states. [2020-10-29 14:40:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11315 states to 11315 states and 15149 transitions. [2020-10-29 14:40:01,482 INFO L78 Accepts]: Start accepts. Automaton has 11315 states and 15149 transitions. Word has length 120 [2020-10-29 14:40:01,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:40:01,482 INFO L481 AbstractCegarLoop]: Abstraction has 11315 states and 15149 transitions. [2020-10-29 14:40:01,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 14:40:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 11315 states and 15149 transitions. [2020-10-29 14:40:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 14:40:01,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:40:01,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:40:01,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 14:40:01,485 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:40:01,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:40:01,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1775177131, now seen corresponding path program 1 times [2020-10-29 14:40:01,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:40:01,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750439777] [2020-10-29 14:40:01,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:40:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:01,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:01,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:01,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:01,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:01,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:01,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:03,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:03,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:03,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:06,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:06,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 14:40:06,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 14:40:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 14:40:06,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:06,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:40:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:40:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-29 14:40:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:06,805 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:40:06,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:40:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:06,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:06,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:06,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:06,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:40:06,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:06,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:40:06,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:06,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:40:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:06,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:06,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:06,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:06,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:40:06,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:06,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:40:06,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:06,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:40:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:06,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:06,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:06,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:40:06,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:06,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:06,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:06,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:06,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:06,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:06,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:40:06,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:06,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:40:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:06,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:06,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:06,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:40:06,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:06,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:40:06,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:06,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:40:06,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:06,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:40:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:06,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:06,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:06,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:40:06,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:06,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:40:06,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:06,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:40:06,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:06,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 14:40:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:07,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:07,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:40:07,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:40:07,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 14:40:07,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:07,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:07,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:40:07,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:07,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:40:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:07,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:07,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:07,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:07,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:07,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:07,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:07,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:07,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:07,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:07,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:07,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:40:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:07,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:07,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:07,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:07,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:07,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:07,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:40:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:07,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:07,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:07,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:07,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:07,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:07,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:07,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:07,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:07,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:40:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:07,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:07,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:07,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:07,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:07,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:07,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:07,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:40:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:07,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:07,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:07,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:07,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:07,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:07,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:07,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:07,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 14:40:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:07,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:07,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 14:40:07,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:07,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:40:07,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:07,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:07,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:40:07,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:07,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 14:40:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:07,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:07,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:07,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:40:07,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:07,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:07,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:07,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:40:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:40:07,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750439777] [2020-10-29 14:40:07,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:40:07,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 14:40:07,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964610683] [2020-10-29 14:40:07,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 14:40:07,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:40:07,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 14:40:07,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 14:40:07,127 INFO L87 Difference]: Start difference. First operand 11315 states and 15149 transitions. Second operand 7 states. [2020-10-29 14:40:07,490 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 14:40:15,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:40:15,966 INFO L93 Difference]: Finished difference Result 37865 states and 52937 transitions. [2020-10-29 14:40:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 14:40:15,967 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2020-10-29 14:40:15,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:40:16,109 INFO L225 Difference]: With dead ends: 37865 [2020-10-29 14:40:16,109 INFO L226 Difference]: Without dead ends: 26575 [2020-10-29 14:40:16,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:40:16,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26575 states. [2020-10-29 14:40:18,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26575 to 21701. [2020-10-29 14:40:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21701 states. [2020-10-29 14:40:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21701 states to 21701 states and 29045 transitions. [2020-10-29 14:40:19,073 INFO L78 Accepts]: Start accepts. Automaton has 21701 states and 29045 transitions. Word has length 120 [2020-10-29 14:40:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:40:19,073 INFO L481 AbstractCegarLoop]: Abstraction has 21701 states and 29045 transitions. [2020-10-29 14:40:19,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 14:40:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 21701 states and 29045 transitions. [2020-10-29 14:40:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-29 14:40:19,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:40:19,088 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, 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] [2020-10-29 14:40:19,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 14:40:19,089 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:40:19,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:40:19,089 INFO L82 PathProgramCache]: Analyzing trace with hash 320461069, now seen corresponding path program 1 times [2020-10-29 14:40:19,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:40:19,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051303261] [2020-10-29 14:40:19,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:40:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:19,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:19,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:20,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:24,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:24,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-29 14:40:24,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 14:40:24,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:40:24,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:24,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:40:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:40:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 14:40:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:24,416 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 14:40:24,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:40:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:24,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:24,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:24,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:40:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:24,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:40:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:24,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:40:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:24,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:24,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:24,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:24,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:24,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:24,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:24,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:40:24,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:24,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:40:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:24,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:24,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:24,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:40:24,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:24,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:24,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:40:24,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0